part 2 - James Oberg

SH U T T LOP
E S
r Nc0/c0MM/Jsc18611
0 R IG: CASTLE/M00LCHAN
3/20/90: BASICR
. E VD . P C N - Z
CCTV
s c P1 6
G C I La n d t h e R C Uf u n c t i o n s p r o p e r l y . T h e r eh a s b e e na h ' i s t o r y o f s o m e
R C U ' sn o t o p e r a t i n gp r o p e r l yw h e na G C I Lc o n m a nwda s t r a n s m i t t e d . T h e
R C Uh a n g su p d u e t o p o w e ro n r e s e t ( P 0 R )n o t g e t t i n g d o n e . S h o u l dt h i s
o c c u r, th e R C Ush o u l d b e p ower edOFFand 0N to c' lear .
F.
I t ' i s p o s s i b l ef o r t h e C C T V
m o n i t o rt o e x h i b i t a f a u l t l i g h t i f t h e c o n t r a s t a n d b r i g h t n e s ss e t t i n g s a r e t o o h i g h a n d i f n o s y n c i s c o m i n gi n t o
t h e mo n 'i to r.
G.
I n t e r a cti o n s E e tw e e nl e xt and Gr aphic Systemand CCTV
Conr mand
T h e t e x t a n d g r a p h i c s y s t e m( T A G Sa) n d t h e C C T V
s y s t e ms h a r e a 1 4 - b i t
w i d e c o m m a nwdo r d o u t c f t h e M D M . T h e f i r s t t w o b i t s a r e u s e d a s a n
a d d r e s sa n d T A G S
a n d + " n eC C T V
s y s t e m sh a v ed i f f e r e n t a d d r e s s e s .
H o w e v e ru, n e x p e c t e idn t e r a c t i o n m a yo c c u r i f T A G S
S T A N D BR
YE
, A O Yo,r
PAGE
ADVANC
c oI m m a n d
a sr e s e n t d u r i n g a c c T Vc o m m a nsde q u e n c e .
W h e na T A G S
c o m m a nj sd s e n t , t h e T A G S
a d d r e s s ' i s s e t o n t h e M O Ma, n d t h e
l a s t t w o b i t s a r e s e t d e p e n d i no
gn w h a t T A G S
c o m m a nwda s s e n t . B i t s 2
t o 6 a r e r e s e t t o 0 . r h e s e a r e t h e b i t s u s e db y t h e C C T V
s y s t e m sa s i t s
' i n p u tc o m m a n d i.f
a C I V O U I P U I / F U N C TcIoOmNm a n' ids s e n t f o l l o w i n g a
TAGS
command
t h, e p r e v i o u s l ys e l e c t e dC C T Vi n p u t w i l l h a v e b e e nc i e a r e d ,
a n d t h e O U T P U T / F U N CcToIm
Om
Na nwdi l l b e a c t e d o n w ' i t h a n i n p u t s e l e c t o f
TECK
0 ( F L I G HD
C A M E R AT
) .h i s c o u l d p r o d u c eu n e x p e c t erde s u r t s .
F o r e x a m p l et h e s e q u e n c e
CCTVFhlt)BAY-A_SEL
TAGSREAOY
CC T V
D Ot,i N T IN K
results in the TAGS
g o i n g t o R E A DaYn d t h e F L I G H D
TECK
c a m e r ab e i n g
d o w niln k e d .
B o t t o ml i n e - T A G S
c o n r m a nwd'si l l s e t t h e C C T Vi n p u t s e l e c t s t o F L I G H T
DECK
a n d m a yc a u s eu n e x p e c t eC
dC T V
responses.CCTV
ws' i l l n o t
command
a f f e ct T A GS .
W o r k a r o q n-d I f p o s s i b l e , d o n o t s e n dT A G S
c o m m a nd u
s r i n g CCTV
c o n ma n d i n g .If T A GS
co rn mands
ar e r equir ed, INC0/COM
mM
ust r e s e l e c t t h e
C C T Vin p u t/so u rcea fte r th e TAGS
comm ands
ar e com olete.
16-36
SHUTTLE
OPS
0 R IG: CASTLE/M 00LCHAN
I N C O / C O M M / J S C - 1 8 691/11 5 1 A t : 8 A S I C .R E VD
CCTV
S C P1 6
1 6 . 6 C A M E RL A
E N SC A P A B I L I T I E S
CCTV
L E N S EFSI E L D - O F - V I R
EA
h lN G E S
(a) Monochrom
l een s a s s e m b l y / c o ' l ol er n s a s s e m b l y
Parameter
Z o o mo u t
Z o o mi n
H o rizontal
(deg)
V e r t ic a l
(deg)
V e r t ic a l
( d e g)
F o cu
s
fa r
40.9
30.6
51.5
F o cus
near
33.0
24.7
41.25
F o cus
fa r
6.6
4.9
8.25
F o cu
s
near
5.8
4.3
7.2
( b ) W i d e - a n g 'cl eo l o r l e n s a s s e m b l y
Pa ra me te r
Zoomout
Z o o mi n
H o r iz o n t a l
(deg)
V e r t ic a l
(deg)
Ver t' ical
( d e g)
F o cu
s
fa r
81.1
60.8
101.3
F o cu s
near
8 3 .3
62.4
1 0 4 i.
F o cu
s
fa r
29.5
22.1
36.8
F o cus
near
2 9.2
21.9
3 6 .5
16-37
SH U T T LOP
E S
rHcorMMrsc-ie6tt
ORIG: CASTLE/M 0OLCHAN
guts "': gniic-'Riv-d"""
CCTV
scp16
LENSOPTICALCHARACTERISTICS
Focal length
(zoom)
F- stop
(iris)
18rnm
to 108mm
2.5 ft to ""
fl.6 to f16
C o lo r
lSmmto 108mm
2.5 ft to -
f1.6 to f16
W i d eA n g l e
8 .2 mmto 25mm
2ftto-
16-38
f 3.5 to f22
SHUTTL
T S
OP
ORIG: CASTLI/M 0OLCHAN
I N C 0 / C 0 M M / J S C - 1 8 6 191/ 1 5 / 8 2 : B A S I CR
. E VD
CC T V
S C p1 6
TABLT
16-I.- CCTV
COMMANDS
T h e r ea r e fo u r b a sj c co mma ntydpes.
G C I LC o m ma n d s
42OOVCUI.IAiNA ON
4 2 O IV C UO F F
4 2 0 2V C UM A INB ON
S T ANAL
O ONC
E o mma n d s
T h e s ec o m m a n d
a sr e s T A N D
A L O N E .T h e ys e t b i t s / - 1 3 on the RCUconrmand
i n t e r fa c e b u t d o n o t d e p e n do n b . i t s 2 _ 0 .
L r t u /A u d j oI n t e r l e a v e r A 0 N
4 2 0 8A u d i o i n t e r l e a v e r B 0 N
4 2 0 9A u d i oI n t e r l e a v e rA B 0 N
4 2 1 0A u d j o l n t e r l e a v e r O F F
4 2 8 6V S UA S Y N C
4 2 8 7VS US Y N C
0010m1
0010110
0010111
0010100
OO1OO11
0010010
SOURC
CE
omma n d s
T h e s ea r e s 0 u R C cEo m m a n d sT. h e ys e t b i t s 2 - 6 o n t h e RCUinter face
R C Ut a k e s n o a c t i o n s u n t i r a i l l e r o s i n b i t s z - 1 3 i s seen. Then but the
the comb j n e dc o m m a n( d
a1114 bjts) js executed.
4z3oruFLm
ooooo
4 2 3 I T UM i d D e ckS e t
4 2 3 2T u F | .l DB A y (A ) S e t
4 2 3 3T V K E E L( B ) S e t
4 . 2 1 !\ u A r t B i v ' ( c ) S e t
4235TU Port RMSSet
01000
00001
00101
00010
00110
4 2 3 6T u ST B DR MS(D ) S e t
4240TUMux 1 Set
424I TUMux Z Set
4 2 4 2I U PL 1 S e t
4243TV PL 2 Set
4 2 4 4I U P L 3 S e t
4 ? 1 5T US P Rr N P ( V T RP B )
4 2 5 1T V T est p a tte rn S e i
00111
01010
01011
01101
01110
01111
00011
0100i
4 2 ? LT UC AMA D D1 7
42?2TU CAMADD18
4223IU CAMADD19
4224TUCAMADD20
10001
10010
10011
10100
16- 39
SH U T T LOP
ES
ORIG: CASTLE/MOOLCHAN
CCTV
TABLE
16-1.- Continued
4 2 2 5TUCAMAt)D 2T
4 2 2 6TUCAMAt)D 22
4 2 2 7T UCAMADt) ? 3
4228TV CAMADD2 4
4?29ru CAMAt)D 2 5
4288TV CAMADD2 6
i0101
1 0 11 0
101i1
I 1000
11 0 0 1
11 0 1 0
4289TV CAMADDt /
4290TV CAMADDz8
429t TU CAMAt)t) 29
4292TU CAMAOD3 0
4293 TU CAMADt) 3 1
I 1011
11100
11101
11110
11111
OUTPUT/FUNCT
Nm a n d s
CIo0m
T h e O U T P U I / F U N C TcIoOm
Nm a n dasf f e c t b i t s / - 1 3 a n d t h u s c a u s e
c o m m a nedx e c u t i o n ' T h e c a m e r aa d d r e s sw h i c h w j l l b e s e n t a l o n g w j t h
t h e s e c o m m a n di s
s p e c i f i e d b y b i t s 2 - 6 . T h e c o m m a njds s e n t t o t h e
c a m e r ab y s e t t i n g a b i t
i n t h e 3 2 - b i t c a m e r ac o m m a nfdi e l d t o a 1 . T h e
O U T P U T / F U N C TcIo0m
Nm a n dasr e
'
i
n
t
o
split
four groups.
Group
T h e s ec o r m a n d sa r e a c t e d o n b y t h e R C Ua n d N O T
issued to the cameras.
0 u t t l F u n c t j o nC
4204 TV CAMP[^JRON
4205TV CAMP|^lROFF
4 ? 1 6s P RO u T( v T R )
4217 SP RI OU T P U T
42I8 S P R2 OU T P U T
4 ? 4 5T V MU X1 L E F T
4246TV MUX1 RIGHT
4247T V MU X2 L E F T
4248TV MUX2 RIGHT
4?49T V D OI{N L IN K
4250 TV PAYLOAI)
4 ? 6 2TV FOCUS
STOP
4265 TV ZOOM
STOP
4268 T V I R I S S T O P
4 2 7 2T V T IL T S T OP
4275IV PANSTOP
f its /-I
0010000
0010001
000010
1
00001
l0
0000111
0001000
0001001
0001010
0001011
000001
I
0000100
0011101
0011110
0011100
0011001
0011000
16- 40
CMDBIT
SHUTTLT
OPS
I N C 0 / C 0 M r4 /JS
1 8 6C1-
ORtl un
17
CASTLT/MOOLCHAN
B A S I CR
. E VD
CCTV
S C P1 6
TABLE
16-1.- Concluded
G r o u p2
T h e s ec o m m a nadrse t r a n s m i t t e dt o t h e c a m e r aas n d r e p e a t e de v e r y f i e l d u n t i l
stopped.
9llpu!/Fulgtlon-commands
4260TV r
4 2 6 1r u F 0cu sF A R
4263 IU ZOOMIN
4264rU Z00M
OuT
4 ? 6 6T U I R I S O P T N
4267 IRIS CLOSE
4 2 7 0T U T I L T U P
4 2 7 TI U T I L T D O W N
4 2 7 3 I U P A NL E F T
4 2 7 4 I U P A NR I G H T
Bjts 7-r3
01i1010
0111101
0111100
011100i
01i1000
0110110
0110111
0110101
0110100
c A Mc M DB I T ( 0 - 3 1 )
27
26
29
28
25
24
22
23
2I
20
G r o u p3
T h e s ec o m ma n a
d re
s tra n sm'i tte dto the cam er asbut oniy once for ever y r eception of the command.
0u
t /Fu
'l nn
4 ? t 2 CAMAUX ON
4213 C A MA U XO F F
4278T V P A N / T . I LR
TESET
4280 T V A L CP E A K
428L T V A L C N O R M
4?82 T V A L CA V G
4283 TV GAMMA
l^lHITESTRETCH
4284 TV GAMMA
NORM
4285 TV GAMMA
BLACKSTRETCH
its /-13
0101111
0101110
0110001
0101000
0101001
0 1 0 1100
0 1 0 1 011
010100
0101101
8rT (0-31
15
I4
L7
8
9
10
11
L2
13
Gr o u p4
T h e s ec o m m a nadrse s e n t t o e v e r y f i e l d t h a t a p a n o r t ' i l t i s c o m m a n d e dO.n e
o f t h e mw ' i l l a l w a y sb e o n f o r a p a n o r t . i l t .
s
9t{!eu!/F!!ctlo n_Qommand
1?lg\upAffi
4 2 7 7r U P A N / T r LSTL 0 W
olloot1
0110010
te
18
c a m e r ac o m m a nb di t p o s i t i o n s 0 t h r o u g h7 , 1 6 , 3 0 a n d 3 1 a r e s p a r e .
16-41
S H U T T LOp
ES
ORIG: CASTLE/M 00LCHAN
I N C 0 / C 0 M M / J S C - 1 8 6 19 i/ 1 5 / 8 / : B A S I CR
. E VD
CCTV
S C p1 6
TABLE
16-iI.- CCTV
P O I . JC
EO
R NSUMPTION
LRU
TVC.
RVSA
RCU/VSUD
PTUb
C u rr ent
Power( at 28 V)
680 mA
.34 mA
1 . 2 5 A V S Ut o a d sl o w
1 . 6 5 A V S Ut o a d sh i g h
6.9 mA - IDLE
9 2 . 9 m A- P A N
9 8 . 6 m A- T I L T
|',lLAA
7 . 3 m A- I D L E
+80 mAper MTR
CLAA
1 7 0m A- I D L E
+80 mAper MTR
VFMA
TVMA
1 8 5 mA
19.04 l.l
.00952W .01 l.l
35.0 t,l
46.? W
.19 t^l
2.60 t/
2.76 W
.19 |^l- 1 DLE ( 2 . 4 9 t / p e r M T R )
2.68t,l-1MTR
5.17hI-2MTR
.20w-1DLE
2.44W-lMTR
4.48t^l-2MTR
6.72W-3MTR
4.76W - l DLE
/.00l^l-1MTR
9.?4 W- 2 MTR
11.48|^l-3MTR
5.18 l^l
36.4 H
A
P T UH T R C
CAMRHTRC
8.20 |.l
19.90 l^J
v. FRy6/23/BoACCEpTANct
TEST
0ATA
fner
u
R e f W iI I F r a l e y
6/24/gO
LRef ItL L/14/80
16-42
SHUTTLE
OPS
O M M / J S1C -
O R I G : cASTLE/M00LCHAN
L 5/ 8 7: B A S i C R
. EV
CCTV
S C Pi
TABLE
16-III.. PAYLOA
DYT V O P E R A T I O N S
8A
(A ssu measl l cam er asar e off, no cr ew OpS)
F o r w a r db ay a n d a ft b a y u se d a s examples
4 2 0 0VC UMNA
( Z sec star tup)
4232 IU FWDBAYCAM- SEL
pl^lR
- 0N
4204TU CAMERA
(30 sec warmup)
4249IU DOWNLINK
T L Mon C 0 MM
Ma n a g e mesh
n t ould show:
D / L S E L- F W D
A L CP E A K /MA N
GAMMA
SEL- NORM
4 2 8 0T V AL C_ P T A K
P ' i c t u re sh o u l da p p e a r,o n COMM
Management
A L Cs h o u t ds h o wP E A K / A U T
S e t A L Ca n d GA MMA
a s requir ed
T o s wi tch to a n o th e rca mer a
C l o s ei r i s
4 2 6 7T U I R I S C L O S E
l , l a ' i tl 2 s e c , p i c t u r e s h o uI d g o f u l l b l a c k
4 2 6 8I V I R I S S T O P
I f c ame ra'i s n o t n e e d e da gain, 4?os TV CAMERA
p0l.lER
- OFFcould
b e u p li n k e d
4234TU AFTBAYCAM_ SEL
pl^lR
- 0N
4204TV CAMERA
(30 sec warmup)
4 2 4 9T UD OWN L IN K
4 2 8 0T V A L C- P E A K
W h e nT V OP Sco mp l e te
4205TU CAMERA
- OFF
POl.lER
4?32 IV FI^JD
BAYCAM- SEL
4 2 0 5T V C A ME RPAOWE- ROF F
4 2 0 1VC UOF F
l { i l l t u r n a l l c a m e r aos f f ( w i t h t h e e x c e p t j o no f c a b j n c a m e r d s
u n d er cre w co n tro l)
C o m m a ntdos se t u p a V T Rd u mp(VCUassum ed
on)
j
n
k
e
d
,
(
i
f
^
J
y
i
s
b
e
i
n
s
'
d
o
w
n
l
c u f o nm o n ' i t ow
r sjt t 9 0 t o z e r o )
1
1 9 9Y : ! - l s Y l l g4 2 1 0A U D I O
INLV OFF
(jf requiied)
4 ? 4 2T U P / L 3 - S E L
4249TU DOI^JNLINK
C o n f ig u reF Mo r K U
I n f o r m cre w to b e g i n V T Rd ump
W h e ndu mp'i s co mp l e te d
4 2 8 7VS USY N C
16-43
SH U T T LOP
E S
0RIG: CASTLE/M O0LCHAN
r N C O / C 0 t t N z , l s c - 1 8e 6l l 1s 1
' " 2 : a n i t c . ' R i v0
CCTV
s c p1 6
TABLE
16-IV.- TELEMETRY
V74XO83OE
F L T D I C K C A MS E L E C T I D
X 0 7 9 8 M i O D T CCKA MS E L E C T E D
X 0 7 9 9 C A B I NC A M3 S T L I C T T D
X0825 Ft,lDBAYCAMSELECTED
X0827 AFT BAYCAMSELECTED
R C Ud j s c r e t e s j n d i c a t i n gw h i c h c a m e r a
X 0 8 2 6 K E T L- I V A C A MS I L E C T I D
i s s e l e c t e df o r d o w n l . i n k .
X 0 8 2 9 P O R TR M SC A MS E L E C T E D
X 0 8 2 8 S T B DR M SC A MS E L E C T E D
X 0 7 9 5 P A Y L O A1D S E L I C T E D
X 0 7 9 6 P A Y L O A2DS E L E C T I D
X 0 7 9 7 P A Y L O A3OS E L E C T I D
X O 8 4 / C A M E ROAV E R T E M P
R C Ud i s c r e t e , i n d i c a t e s V S Uh a s d e t e c t e d a
c a m e r ao v e r t e m p .
X 0 8 4 3 A L CP E A K
X0844 ALCNORM
X 0 8 4 5 A L CA V G
R C Ud j s c r e t e s . I n a u t o i r j s m o d e , o n e o f
three is high, with the high discrete
j n d i c a t i n g t h e m o d e . I n t h e m a n u a lj r . i s
m
d e ,t w o o f t h r e e a r e h i g h , w i t h t h e
' l oow
djscrete jnd'icatlngthe mode. If
V S Ua s y n c h r o n o uosr o f f , a l l w i l l b e
I ow.
X0846 GAMl^lHITE
X 0 8 4 8 G A MB L A C K
R C Ud j s c r e t e s , i n d j c a t i n g t h e G A M Mm
Ao d e .
x4880vcu Pl^lRMNA
X4 8 8 1 VC UPl,lRMN8
G C i Ld j s c r e t e s , i n d j c a t i n g w h i c h b u s j s
p o w e r i n gt h e V C U . M u t u a l l y e x c i u s i v e .
x0782 VCUSYNCGEN
R C Ud ' i s c r e t e . I - s y n c g e n A
S O 7 9 OSY N C
N OR M
50791 SYNC
REVTRSE
S w ' i t c hs c a n . P o s i t i o n o f o n b o a r dS Y N C H
s w it c h .
50793 GCIL
Switch scan.
5 0 7 8 1 D OI^/N L IN K
S w i t c h s c a n d o w n il n k e n a b l e / j n h j b . i t
switch. 1 = inhibit.
16-44
1 = CMto
) n G C I L m o d es w . i t c h .
S H U T T LO
EP S
ORIG: CASTLE/MOOLCHAN
I N C 0 / C 0 M M / J S C - 1 8 6 1 19 / 1 5 1 8 7 : B A S I C .R E VD
CCTV
SCp16
TABLE
1 6 - V . -l ' l C C
M O N I T ODRI S P L A Y
LOC
ALC
FLT
MID
C3
FI.J[)
AFT
KEEL
PRMS
SRMS
PL1
PL?
PL3
PA
NA
AA
PM
NM
AM
Cam er alocat' ion code
F o r a n y i n v a l i d c o d e st h e c o d e
w i l l b e d ' i s p l a y e dj n d e c i m a l .
PEAK AUT
N O R MA U T
AVG AUT
PEAK MAN
NORMMAN
AVG MAN
PAN
T h e p a n a n g l e i n d e g r e e s( + i s R I G H T )
TEMP
Temper aturof
e the camer abeing
d o w n l i n k e d i; f t h e V S Uh a s d e t e c t e d
an over tem per atur e,
the temper atur e
w"ill flash.
I n t e r l e a v e da u d i o i s d e t e c t e d ;j f n o
i n t e r l e a v e da u d i o , t h ' i s w i I I b e b l a n k .
ID
GAM
Camer aser ial num ber
l^l
N
B
t.lhite str etch
Normal
Blackstretch
TLT
T i l t a n g t e i n d e g r e e s( + i s U p )
GM T
T' im edecodedfr om video
S i n c e a l l d a t a o n t h e v i d e o m o n j t o rd i s p l a y i s d e c o d e d
fromthe video, 'in
t h e c a s e o f a V T Rp l a y b a c k ,t h e d a t a ( G M r ,e t c . ) w i l l b e t h e d a t a o f t h e
r e c o r d e ds ou rce .
If d a t a a r e n o t d e te cte dfo r a n y of the abovepar ameter s,the par ameterwil l
b e u n d e r l i n e da n d t h e l a s t v a ' l i OO a t ad i s p l a y e d .
16-45
S H U T T LOP
E s
0Rr G: CASTLE/MOOLCHAN
I N C 0 / C 0 M M / J S C - I 8 6 i 91 / 1 5 / 8 7 : B A S I CR
. E V0
CCTV
S C p1 6
I A E L E1 6 - V I . - G E N E RM
AL
ECHANIC
AE
L CIFICATiONS
SP
I tem
S iz e
(in.)
Wei ght
(I b)
Camera
9.1 x 6.3 x 5.8
9.7
ColorIens
7.4 x 5.8 x 5.4
7.75
B & WI e n s
7.4 x 5.8 x 5.4
6.75
V i e w f i n d e rm o n i t o r
8 x 4.3 x 3.6
4.0
P a n - t li t u n i t
16x11x11
9.0
V i d e o s w ' i t c h i n qu n i t
13x10.5x/.8
39.0
R e m o t ec o n t r o l u n i t
10 x 10 x 7.7
39.0
T Vm o n i t o r
12.5x10x/
2t.0
V ' i d e ot a p e r e c o r d e r
15x19x10
49.8
W i d ea n g l e l e n s a s s y
7.4x5.8x5.4
AFT vlewlng
8.25
wlndows
C C T Vc o n t r o I s
TV monltors
( PNL A3)
( PNL A7)
vTR ( 0,/ 099
VTR
( PNL112)
ond suDs)
,.j)
VSUond RCU
( Behlnd ponels
Rt7 & R18)
C C T Vc l r c u t t
( PNL RI5)
breokers
1 8 6 1I 1 6 0 1 .A R T 2
r
F i g u r e1 6 - 1 6 . - C C T V
c o m p o n e nl ot c a t j o n s ( c a b j n ) .
16- 45
S H U T T LOEP S
ORIG: MOOLCHAN
CCTV
11o
1 6 . 7 S o L I DS T A T EC 0 L 0 RC A M E R(A
CTVC)
1 6 . 7 .I
Backqround
T h e T V Cp r e s e n t l y f l o w n o n b o a r d j s a m o n o c h r o m es, i I i c o n - ' i n t e n s . i f
ied, tubet y p e c a m e r a . C o ' l o r v i d e o i m a g e r y i s p r o v j d e d b y s p ' i n n i n ga c o l o r w h e e l j n
f r o n t o f t h e c a m e r a - s e n s otro p r o d u c ea f i e l d s e q u e n t j a l o u t p u t
signa'l from
t h e c a m e r a - S p e c i a l f i e l d s e q u e n t i a l t o N T S Cc o l o r c o n v e r s ' i o ne q u i p m e n t
is
r e q u i r e d o n t h e g r o u n df o r d i s t r i b u t i o n a n d d i s p l a y o f t h e v j d e o
downl.inked
from the orbiter. The color telev'ision camera
icrlc) featurei-sotid state
s e n s o r t e c h n o ' l o q y ,j n c r e a s e d z o o mr a n g e , n o i m a g er e t e n t i o n , n o
'low
Sun utoJming
problem,
m a i n t e n a n c ep l u g - i n m o d u i e i , 1 o w p o w e r c o n s u m p t i o n a
, nd longer
l i f e t i m e a n d g e n e r a t e st r u e N T S Cc o l o r .
L 6 . 7 . 2 P h v s j c a ' lD e s c r i p t i o n
T h e C T V Co v e r a l l s i z e i s 1 6 . 0 i n c h e s ' l o n g , 5 . 8 8 i n c h e s w i d e ,
and 5.94 inches
h i g n . T h e e s t ' i m a t e dw e i g h t i s 1 . 8 . 2p o u n i i . P o w e rc o n s u m p t . i oins
approxi--m a t e l y 3 4 w a t t s a v e r a g e . T h e C T V Ca s s e m b l yc o n s i s t s o f a l e n s
a s s e m b l ya n d
a n e l e c t r o n i c s a s s e m b l y . T h e t w o s u b a s s e m b l j e sa r e s e p a r a b l e
enclosures
t h a t a r e s e c u r e d a n d c o n n e c t e di n s i d e t h e c a m e r ah o u s i n g . T h e p r i s m
assemb 1 y i s p a r t o f t h e l e n s h o u s i n ga n d m a i n t a i n s o p t i c a l u i i g n r . n t .
The lens
a s s e m b l yc o n t a i n s a 2 / 3 - i n c h f o r m a t w j d e - a n g l e z o o m ' l e n si n d l e n s
drive
m o t o r sa n d e l e c t r o n ' i c s i n a n a l u m ' i n u m
housing. Threemotors, on pivoting
m o u n t s ,e n g a g et h e l e n s f u n c t j o n r i n g g e a r s o n t h e b a r r e l o f
the lens.
S t e p p e rm o t o r s f i t t e d w i t h i n t e g r a l
! e i r h e a o a s s e m b l j e s ,t o g e i h e r w i t h t h e
spur gear drive
t l g t 9 n : , m a g n i f yt h e o u t p u t t o r q u e a n o p i o u i d e t h e
n e c e s s a r yr a t e s !f o
o r t h e j r i s , z o o m ,a n d f o c u s f u n c t i o n s . T h r e e s . i n g l e t u r n ,
h ' i g hr e s o l u t i o n p o t e n t i o m e t e r sa r e m o u n t e ds i m i l a r l y t o t h e
ri.pp., motors
a n d p r o v i d e d i s c r e t e p o s i t i o n ' i n f o r m a t i o nf o r i r i s , z o o m ,a n d i o c u s
f u n c t i o n s - S w ' i t c h e sa n d L E D ' s f o r a l l c a m e r aa n d l e n s f u n c t i o n s
are located
o n t h e s i d e o f t h e c a m e r a . T h e p r i s m / C C Da s s e m b l yc o n s i s t s o i
a three-piece
p r i s m ; s e v e r a l p l a n a r g l a s s e l e m e n t s ,w h i c h a r e u s e f o r
filtering,
p o l a r i z ' i 1 9 , a n d p a t h e x t e n s i o n ; a n d t h r e e C C Oi m a g e r s
m o u n t e do n a n a d a p t e r
p 1 a t e . T h e t h r e e . C C Di m a g e r sa r e p e r m a n e n t l yp o s i t j o n e d
and attached to the
p r i l m . u s i n g a F u j ' i n o nl e n s . T h e p h o t o - s e n s i i i v e a r e a
o f t h e g r e e n C C Di s
p o s ' i t i o n e ds u c h t h a t t h e c e n t e r p i x e l c o i n c i d e s w i t h
the optiiai axjs of the
l e n s a n d p r i s m s y s t e m . T h e b l u e a n d r e d C C D ' sa r e r e g i s t e r e d w i t h
respect
t o - t h e g r e e n C C Ds u c h t h a t t h e c e n t e r p i x e ' l s c o i n c j d e l T h e 1 e n s , p r . i s m ,
and
ccDare aligned to place the center of an optical target ress-lnan +30
m i c r o n s a t t h e i m a g ep l a n e o v e r t h e f u l l z o o mr a n g e o f t h e l e n s .
The prism
a s s e m b l ya l l o w s f o r t h e e n c l o s u r e o f a t w o - b l a d e ,
"bow-t'ie"shJtter wheel to
p r o v i d e o p t i c a l b l a n k i n g d u r i n g v e r t i c a l i m a g et r a n s f e r .
The shutter wheel
j s 3 . 0 j n c h e s j n d i a m e t e ra n d i s
m a d eo f 0 . 0 i - i n c h - t h i c t s p r i i g s t e e l . A
l i g h t s h i e l d i s p r o v i d e d t o p r e v e n t d u s t c o n t a m j n a t i o na n d l i m i t
etectrical
c r o s s t a lk .
L6-47
SHUTTLE
OPS
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CCTV
S C pi 6
MOIHER'
BOARD
l86lll6lB.
F i g u r e 1 6 - i 8 . - C a m e r ea l e c t r o n i c s i n t e r n a l c o n fj g u r a t i o n .
16- 49
lS0r I
S H U T T LOEP S
I N C 0 n M Ml s c - 1 8 6 1 1
ORIG: MOOLCHAN
1 2 ? l ^ ? : B A S i c . R E VD . p c N - 7
CCTV
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O R I G : MOOLCHAN
ASIC. REV
31/93:
PCN-7
CCIV
SCP
1 6 . 7 . 3 C a m e r aL o c a t i o n C o d e
T h e C T V Ch a s b e e nm o d i f i e d t o s u p p o r t e i t h e r s p a c e s t a t i o n o r o r b i t e r .
0n
t h e r i g h t s i d e o f t h e c a m e r aa s w i t c h w i l l t o g g l e b e t w e e nt h e 5 - b j t o r b i t e r
l o c a t i o n o r t h e 7 - b ' i t s p a c es t a t i o n l o c a t i o n .
1 6 . 7. 4
P o w e rS w ' i t c hi n q
T h e C T V Cp o w e r s u p p l y i s c o n t r o l l e d b y t h e p o b / e rc o n t r o l ' l e r t h a t r e c ej v e s
o r b i t e r b u s v o l t a g e q n g i s t r i g g e r e d b y t h e 0 N / O F Fc o m m a n tdo s w i t c H p o w e r
! o t h e L V P S ,t h e . p a n / t ' i t t u n i t ( p r u ) , a n d t h e v i e w f i n d e r m o d u l e ( v F M ) . i n .
0 N / 0 F Fc o n t r o l c ' i r c u i t r y a c t i v a t e s t h e ' i r j s c l o s e t i m e r , i r i s c l o s e p u 1 s e ,
p u l s e w i d t h m o d u l a t o rs h u t d o w n ,a n d r e l a y d r i v e r s . T h e c i r c u ' i t r y
receives
t h e o u t p u t s o f t h e p r o t e c t i o n c j r c u i t c o m p a r a t o r sf o r f a u l t a c t j o n . T h e
'iris
c l o s e t i m e r p r o v i d e s a 3 - s e c o n dd e l a y t o L V P St u r n o f f , t o a l l o w t h e
iris mechanism
t o c l o s e . A n O F Fc o m m a nwd i l l c a u s e t h e i r i s p u l s e s . i g n a l t o
b e s e n t a n d t h e s t a r : o f a 3 - s e c o n dp e r i o d a f t e r w h i c h t h e s u p p l y w i l i
turn
o f f . F a u l t - ' i n d u c e ds h u t d o w n w
s ' il l n o t b e d e l a y e d . S e n s i n g c i r c u i t s f o r
u n d e r - a n d o v e r v o l t a g ec o n d i t i o n s a r e c o m b ' i n ew
djth the jris close timer
o u t p u t t o f o r m a c o m m otnr i p s i g n a l f o r t h e p o w e rc o n t r o l l e r .
16-51
S H U T T LOEP S
0RIG: MOOLCHAN
CCTV
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I N C 0 / C 0 M M / J S C - 1 8 6 1 1i 2 l 3 i l 9 3 :
B A S I C .R t V p . P C N _ Z
CCTV
S C p1 6
16.7.5 Video Detection
P h o t o e l e c t r o n i c a l ' l ya n d t h e r m a l l y g e n e r a t e de l e c t r o n s a r e i n t e g r a t e d
by
three (green, red, blue) CCD's. The pixel video detector outprjts a frame
t r a n s f e r t h a t c a n b e t h o u g h t o f a s a n a m p l i t u d e m o d u l a t e dc a r r i e r . T h e
t h e r m a l e ' l e c t r o n s k n o w na s d a r k c u r r e n t a r e c o r r e c t e d a n d i n t e g r a t e d
to
establ'isha black level reference. The video js then driven b! process
b l a n k i n g t o r e m o v eu n w a n t e ds i g n a i s p r e s e n t d u e t o i m a g e rc l o c k i n g .
After
bianking, the video js amplified and corrected for olait< level strioing.
A
f e e d b a c kc l a m p l o o p e d a r o u n dt h e v ' i d e o a m p l j f i e r m a i n t a j n s b l a c k l e v e l
r e f e r e n c e - T h e s i g n a l i s t h e n s e n t t o t h e a u t o m a t i cg a i n c o n t r o l
circuitry.
1 6 . 7. 6
A u t o m a t i c G a in l L i q h t C o n t r o l
Thecolor balance
i]f j e r s ( C B A )a n d a u t o m a t i c 1i g h t c o n t r o l/ a u t o m a t i c
g a i n c o n t r o l ( A L C. /9ATG? C
c)i r c u i t r y a c c e p t s r e d , g r e e n , a n c b l u e v i d e o o u t p u t s
f r o m t h e v j d e o d e t e c t i o n a n d p r o v i d e s c o l o r - b a i a n c e dv i d e o o f f j x e d
ampiit u d e t o t h e v i d e o p r o c e s s i n gc i r c u i t r y .
T h e C T V Cp r o v i d e s t h r e e p r e s e t
color balancesettings whjchare manullly selected by upljnk or off
the side
p a n e l - T h e r e d a n d b l u e c h a n n e l sa r e p r o v ' i d e dw i t n i a j u s t m e n t p o t e n t i o m
eters which are usedto compensate
f o r v a r i a t j o n s i n t h e r e s p o n s eo f t h e
p r i s m , C C Di m a g e r s , a n d v i d e o p r e p r o c e s s i n gc i r c u i t r y .
Thepotentiometers
a r e s e t d u r i n g c a m e r at e s t a n d t h e n s t a k e d t o p r e v e n r s u D s e q u e n t
adjustment.
The settings are daylight, fluorescent, and tungsten. rne nlC/nGC
circuit
m a ' i n t a i n st h e v i d e o s i g n a l a t a p r e d e t e r m i n e dl e v e l b y c o n t r o l l i n g
the lens
a p e r t u r e a n d t h e g a i n o f a n A G Ca m p l i f i e r . A u t o m a t i cf e e d b a c kc o n t r o l . i n
conjunction with three detector settings (5 percent, I percent, and peak)
m a i n t a ' i n st h e c o r r e c t - v j d e o o u t p u t i e v 6 t . ' f h e a r e a d e t e c t o r
circuit, which
i s p a r t o f t h e c o n t r o l 1 o o p , k e e p s a c o r n n a n d ef d
raction of the p.icture
r a s t e r a t a p r e d e t e r m j n e ds i g n a l l e v e l . 0 n t h e s ' i d e o f t h e c a m e r a
the
f u n c t i o n s f o r A L C , g a i n , a n d b a ' l a n c ea r e s e l e c t a b l e v i a s w i t c h e s .
The
F U N C T I 0sNE L t c r s w i t c h j s a t h r e e - p o : l t i o n t o g g t e s w i t c h . i i l - p r . p o s e . i s
to
enablethe SELTCT
s w i t c h t o c o r n m a n(di n a s e q i i n c i n g f a s h i o n j - e i t h e r t h e
A L c , M A N U AGLA I N , o r B A L A N Cf uEn c t i o n s , a n d a t t h e i a m e t i m e
assign the
t h r e e a s s o c i a t e d i n d j c a t o r s t o d i s p l a y e i t h e r A L c , M A N U AGLA I N ,
o" BALANCE
s t a t u s . ( l f t h e F U N C T I 0SNT L E C sTw j t L n i s i n t h e A L Cp o s i t . i o n , t t . 1 .n l C
s t a t u s w j l l b e i n d j c a t e d b y a n i l l u m i n a t e d P E A K ,N 0 R Mo, r A V G1 a m p .
Ihe ALC
s t a t u s m a v b e c h a n g e db y m o m e n t a r i l yO e p r e s s i n g . t n . S E L E CsTw . i t c h . )
Sf[fCii s a t w o - p o s i t i o n m o m e n t a r sy w i t c h ; h i c i r i s s p i i n g l o a d e d t o i l r e
up
position. It works in conjunctjon w'ith the rbnCriOtl
S E L E C sTw . i t c nt o
c o r m a n dt h e A L C , M A N U AGLA I N ,a n d B A L A N CfE
unctions.
16-53
S H U T T LO
EP S
ORIG: MOOLCHAN
I N C 0 / C 0 M M / J S C - 1 8 6 1 1 1 Z l 3 1 / 9 3 : B A S T CR
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P16
1 6 . 7 . 7 C o m m a n d / T e l e m ept rrvo c e s s o r
F u n c t i o n s p e r f o r m e db y t h e c o n r m a n d / t e i e m e t (r C
y M D / T L Mp)r o c e s s o r i n c l u d e
l o c a l r e m o t e c o m m a nrde c e p t i o n , c o m m a ndde c o d i n q , e n c o d i n go f c a m e r as t a t u s
of insertion durjng the vertjcal interval and diiptav by [fre local light
e n i t t i n g d ' i o d e s ( L q D ' s ) , g e n e r a t i o no f p a n / t i l t c o n t r o l c o m m a n dasn d
t i o n d a t a , g e n e r a t i o n o f m o t o r c o n t r o l s i g n a l s f o r t h e l e n s a s s e m b l yi ,oasn.di g e n e r a t j o n o f t h e S M P T cEo l o r b a r p a t t e r n . A l s o p r o v i d e d a r e s p e c i a l . i z e d
t i m i n g _ s i g n a l s r e q u i r e d b y o t h e r c i r c u ' i t s i n t h e c a m e r at h a t ' i n c l u d e s a n p l e
a n d h o l d s i g n a l s f o r t h e A L C / A GcCo n t r o l , m o d i f i e d b l a n k i n g s i g n a l s f o r
v i d e o p r o c e s s i n g , t r i g g e r s t o e n a b l e t h e t e m p e r a t u r ep u l s e w i d i h m o o t l l a t o r
and lens data analogto digital converter, and a half fieid gate used for
d a r k c u r r e n t s a m piln q .
1 4 C O M M AF
NU
DN C T I O A
NV
SA I L A B L E
o
o
o
o
o
.
o
o
o
o
.
o
o
F O C UN
S E A R / F ACRO N T R O L
Z 0 0 MI N / O U TC O N T R 0 L
I R i S 0 P t N / C L O SCEO N T R O L
G A M MLAI N E A R / B L A S
CTKR E T CSHI L E C I
C O L OB
R A L A N C- ES U NS E L E C I
C 0 L 0 RB A L A N C- EC A BS E L E C T
C 0 L 0 RB A L A N C- EB A y S E L E C T
A L C P E A KM 0 0 ES E L E C T
A L CN O R M O D S
EE L E C T
A L C A V GM O D E
SELICT
M A NG A I N_ O D B S E L E C T
M A NG A I N- 1 2 D B S E L E C T
M A NG A I N- 2 4 D B S E L E C T
Figure 16-2?.- Locai commanding.
16-55
S H U T T LOEP S
ORIG: MOOLCHAN
I N C 0 / C 0 M M / J S C - 1 8 6 1 11 2 ? 1 / 9 3 : B A S I C .R E Vp . p C N - 7
CCTV
S C pt 6
GENTRATES
Z-T'1H7VITS DATA CLOCK
G E N E R A TCEOSN T R O
SLI G N A L S
R E Q U I R EFDO RI N S E R T I OO
NF D O t , ' l N L IVNIK
T S D A T AO N
T H EF 0 L L 0 ' r l i NLGI N E S :
o
o
o
o
o
o
L I N E 1 2 - L E N SD A T A( 2 0 0 M ,F 0 C U S I, R I S )
L I N I 1 4 - P A N / T I L T0 A T A
G E N I R A T EPSA N / T I L TA N G L E
MAGNITUA
DN
E DS I G ND A T A
L I N E 1 6 - G A M M A / C A MM
ER
OAD E
DATA
IN ADDITION
TOEXISTING
7 B I T SO F A / C O N T R O
PLA N E L
STATUS,
G E N E R A T1
E3S B I r S 0 F C A M E RSAT A T U U
SNIQUE
T 0 T H EC T V C . r N c o o r s
TXISTING
S T A T UT
SO P R O V i DP
ER O P ECRO N I R OO
L F T H EA 7 P A N E L
SIATUS
I N DI C A I O R.S
L i N t 1 7 - C A M E RIA
D D A T A( S E R I A LN U M B E RL ,O C A T I O N )
(LOCATi0C
NODE
D A T AM A Y8 E I N C R E A S E
FD
ROM
5 girs ro z BrrS FoR
u s E t ^ i l r H F U T U RS
EY S T E M)S .
L I f i E 1 8 - C A M T RTAE M P E R A T U
DR
AE
TA
G E N E R A TC
TO
S NTRO
S LI G N A L F
S O RT E M P E R A T UPR
UEL S E
l,lIDTH
MODULATOR.
L i T i 1 9 _ V E R T I C AILN T E R V ATLE S TS I G N A L
G E N I R A I ECSO N T R O
S LI G N A L F
SO RI N S E R T I OO
NF V I T S D A T A .
F i g u r e L 6 - 2 3 . - T e l e m e t r yg e n e r a t i o n .
16-s6
t.
S H U T T LOI P S
ORIG: MOOLCHAN
I N C O / C O M M / J S C - 1 8 6 i 1I 2 l 3 1 , a 3 : B A S I C .R E VD . P C N - 7
CCIV
S C P1 6
L 6 . 7 . 7 . 1 C o m m a nRde c e p t i o na n d D e c o d i n g
R e m o t ec o n t r o l o f g a m m a g, d i n , A L Cm o d e ,c o l o r b a r m o d e ,c o l o r b a l a n c e ,
s h u t t e r m o d e , a n d l e n s a s s e m b ' l yf u n c t i o n s a r e g e n e r a t e d b y t h e C C T Vs y i t e m
R C Ua n d d i s t r i b u t e d t o e a c h c a m e r al o c a t i o n . i h e c o m m a n dmi a y a p p e a r
on
lines ll and 13 of both fie'lds and consist of an 8-bit syncword, an g-bit
a d d r e s sf j e l d , a n d a 3 2 - b j t c o m m a nfdj e l d .
The leadjng iync bit of the
c o m m a nids d e t e c t e d a n d u s e d t o s y n c h r o n i z et h e c o m m a nrJe c e i v e r c l o c k w j t h
the clock cf the RCU. The 8 sync bits are then shifted into the sync
shift
r e g i s t e r a n d c o m p a r e dt o t h e h a r d - w i r e d s y n c c o d e . I f t h e s y n c w o r d
is 0K,
the conmand
bjt counter is enabled, and the addressword is injfted Jnto the
a d d r e s ss h i f t r e g i s t e r ( c o u n t s 0 - 7 ) . T h e c o r n m a nadd d r e s s i s c o m p a r e d
wjth
t h e d e s t i n a t j o n c a m e r aa d d r e s s . I f t h e c o r r e c t a d d r e s s h a s b e e n r e c e i v e d ,
t h e c o r n m a nbdj t c o u n t e r w j ' l l c o n t i n u e c o u n t i n g . 0 u r i n g c o u n t i l - 3 g ,
the
i n p u t c o r n m a ncdl o c k i s e n a b l e d , a n d t h e e n t j 1 6 c o m m a nw
dord is shifted jnto
t h e i n p u t c o m m a nsdh i f t r e g ' i s t e r . A t c o u n t 4 4 , t h e c o m m a nids l a t c h e d j n t o
t h e c o n m a n d e c o d e r . F i n a l l y , a t c o u n t 4 8 , t h e c o m m a nrde c e i v e r i s r e s e t
and waits for the next sync word. If, during counts 0-2, an adoress
error
'is f ound
, t h e s y s t e m w i 11 r e s e t . T h e c o n r m a ndi e c o d e r d e c o d e sa n d e x e c u t e s
a l I o f t h e g a m m a , 9 d i n ,A L Cm o d e , c o l o r b a r m o d e , c o l o r b a l a n c e , a n d
shutter
m o d ec o m m a n desn c o d e di n t h e 3 2 - b i t u p l i n k c o r n m a n d .T h e m o t o r c o n t r o l
comm a n d s ' i n t h e u p l i n k a r e d e c o d e db y t h e p a n c o m m a n d e c o d e r , t h e
t.ilt conrnand
d e c o d e r ' t h e z o o mm o t o r c o n t r o l l e r , t h e f o c u s m o t o r c o n t r o i l e r , a n d
the.iris
m o t o r c o n t r o l l e r . T h e c o m m a ndde c o d e ra l s o d e c o d e st h e c o m n a n d s
controlled
b y t h e l o c a l c a m e r as w i t c h p a n e 1 . T h e s ec o m m a n dasr e G A I H ,A t C m o d e ,
co'lor
b a l a n c e , a n d s h u t t e r m o d e . A l l o f t h e a b o v e l o g i c f o r t h e ' c M D /r L M
p r o c e s s o r i s a c c o m p l i s h e du s i n g l 0 e r a s a b l e p r o l r a n m a b l e 1 o g ' i c
devices
( E P L D ' s ) - T h e E P L De n c o d e st h 6 c o m m a nsdt a t u s d a t a f o r i n s e r t . i o n
on line 17
of the vertical'interval test signais (VITS's) and providesthe drivers
for
t h e t h r e e l o c a l c a m e r as t a t u s L E D , s .
1 6. 7 . 7 . ?
i N C OU p ''li n k C o m n a n d s
l ' l h e nt h e C T V Ci s f i r s t p o w e r e du p , t h e c a m e r aw i l I b e i n t h e m a n u a lg a i n
( I l ! G A I N )m e n u . - l h . f i r s t u p l i n k c o n r n a nsde n t s h o u l d b e t o c o m m a ntdh e
C T V Ct o t h e A L L O F FM E N U . T o c o m m a ntdh e C T V Ct o t h e A L L O F FM E N U
from the
M A NG A I Nm e n u ' s e n d f u n c t ' i o n c o d e 0 1 0 0 1 ( s a m e a s T V CA L CN S R M
c o m m a n d ) .i f , .
A L L O F FM E N U
w i l l b e u s e d a s a s t a r t i n g f o i n t f o r g r o u n dc o n t r o l l e r s t o
i m p l e m e n tu p l i n k c o m m a n d s .w h e n i n t h e A u o r r M E i l u ,t h e p r e v i o u s t y
selected modesare still
active.
After I{ENUand l,loDEconrnandsare sent, the
CTYCshould always be returned to the ALL oFF llENU. All oFF meansthat
ail
t h r e e o r b i t e r A 7 p a n e l p u s h b u t t o n i n d i c a t o r i a m p s ( A L C , N n Hg n i x ,
and BAL)
are off.
16-57
S H U I T LO
E PS
ORIG: MOOLCHAN
I f i c O" 0 t ' i M / J S C - 1 8 6 1 1 1 2 r 1 1 9 3 : B A S I C .R E VD . p c N _ 7
r A B L EI 6 - V I I . ' I N C O
CCTV
sgp._!O
U P L I N K' O M M A N DUSS E DI O S E L E C T
C T V CM E I { U A
S N DM O O E S
C o m m a nDd e s c r i p t i o n
Function code
A10
A 11
Atz
A9
;..0FF
_
l'{ENU
s e l e c t ( f o l l o w r n g C T V Cp o w e r o n )
M o d es e l e c t i o n s w t t h . r n m e n u
S H U T T EO
RN
A13
01001
( S a m e a s I V C A L C N 0 R Mc o m m a n d )
0101
I
( S a m e a s T V CG A M M A
\ t H I I E S I R E T C Hc o n m a n 0
)
0101
I
( S a m ea s I V C G A M M A
r . / HIIE S I R E T C Hc o m m a n d)
0110
n
(Same as IVC GAMMA
N 0 R M A Lc o m m a n d)
0110
n
(Same as IVC GAMMA
N O R M A cLo m m a n d)
01r0
I
( S a m ea s I V C G A M M A
E L A c KS T R E T c H
c o m n a n 0)
0110
1
S H U T T EO
RF F
BARSOI,I
E A R SO F F
G A M i I AL I N E A R
G A M ME
A L A C KS T R E T C H
( S a m e a s I V C G A M M AB L A C K S I R E T C H c o m m a n d )
Belor coolands val id after
the CTVC is
A : C m e n us e l e c t
coilanded
to
the
AtL OFF HtIU
01000
( S a m e a s I V C A L C p E A Kc o m m a n d )
M o d es e l e c t i o n s w r t h i n m e n u
ALC PEAK
01011
( S a m ea s I V C G A M M A
1 , ,I/ H
TE STRE
T C H c o m n a n d)
01100
(Same as TVCGAMMA
N O R M A cL o m m a n d )
01101
( S a m ea s I V C G A M M A
B L A C KS I R E T C Hc o m n a n d )
01100
( S a m e a s T V C A L C P E A Kc o m m a n d )
ALC NORMAL
ALCAVERAGE
R E T U RT
NO ( A L L O F F ) M E N U
M a n u a lg a t n m e n u s e l e c t
0r001
( S a m ea s T V CA L Cf , l 0 R M
cormand)
M o d es e l e c t i o n s w r t h t n m e n u
O d8 GAIN
010
1l
( S a m ea s I V C G A M M A
U H I T E S I R E T C Hc o m m E n)d
011
00
( S a m ea s T V C G A M M A
N o R M A Lc o m m a n)d
01101
( S a m e a s T V CG A M M A
B L A C KS T R E T C H
conmand;
01001
( S a m e a s T V C A L C N 0 R t rc{ o r m a n d )
+12 dB GAIN
+24 dB GAIN
R E T U R INO ( A L L O F F ) M E N U
f h i t e b a ia n c e m e n us el e c t
01010
( S a m e a s T V C A L C A V Gc o m a n d )
M o d es e l e c t i o n s w i t h i n m e n u
8AY
01011
( S a m e a s T V CG A M M A
W H I T ES I R E T C Hc o l r n r a n d )
01100
(Sameas fVC GAMMA
|IORMAL
command)
01101
(Same as IVC GAMMA
B L A C KS I R E T C Hc o n m a n d )
01010
( S a m e a s I V C A L C A V Gc o n n a n d )
CABI Tt
sutt/
R E T U R irl0 ( A L L o F F ) M E N U
16-58
S H U T T LO
EP S
INC0/c0MM'.tsc-i861i
ORIG: MOOLCHAN
1 2 ? t ? : B A S I C .R t V p . p c N - z
c
- ---lt
i-
CCTV
scp L6
E
c.,
+,
rEl
N:
+)
N:
-
.cn
:-
i-yE
:c
lr(E
;-
-
:q-
:=tn
:G1
(U
:dC
:(u
lP
'-a
(6
vE
L
l('
(F
fi
(u
v+,c
;:d
:+r
(-
tc
(o
NE
=
6=<P
=
rr(uP
c-'
NL
s
;
(D
N
(-
:
:
:
:
E+r
!(u.
ct E+)
OOr(d
!E
c(u'o+r o
*
-=
:
I
;'
t)0
c) tuE-O)
|
:
:
:
t
(n
a>
'
i
i'
:
'
:
I-
\-
:
'==
=
X
=
F
ij
HJ^
*
^-,
\Y
-Jv
|
--
ltt,u
C+r+r
Gr
o
EE
tnc
JF
E
I
'
.U
L
EPSE
E.tt'-tu
Eg(u(J
o l-P
(JJCE
P.r
O
L
3=
(u
-lF
LEtU
(J C (J+)
Gtr
l
(J E+)
O> E t-+J
FO(u:t
O(J>O
r6- 59
^l
i
=
=
:='
S H U T T LO
TPS
CRIG: MO0LCHAN
I N C 0 / C 0 M M / J S C - 1 8 6 1l12 i 3 l l 9 3 : B A S I C .R t V D . p C N - Z
CCTV
S C p1 6
@
CAIlERA COI1MAND
r,A
PAN,/I||l
I \-1T/ l
RISET
\y
HICH
R A TE
Fn,- \
V
F^E
200f1
IN V
V
tRts
O P E NV
TILT
UPV
I
f l,el| e, lTa-ft ,a fl-All
I tqlE/t ' (=; I t(E))t | (E) | l(EDt I
ll.g/lrE,
ri
llV
ll.€/ll
,soz, ll ,soj, Il
tl =1 _ s:s1 -u{s.:crLLIff_U
IL
NEAD
OUT A
C L O S EA
,l-inx l
Ei
I N i l t| l N I
F lI \Ull_Uyl
'v'l I
|(_r-s?"l-,
TI
"l
R
I
C
H
T
D O W N1
ALc-._----.]cAHHA_-.-------.-----l
t u n r T EI
I s r R CIH
lI *( Sl { 8 } ( v ) |
. _ SrltlrTFRON
BARS.:r
_;\l{ELl(
Sr
I 8 c ,I I 1 6 2 6 . P N L r I
0rorter panel swjtch functions
The ShuttleColorT=:visionCameraDECAL
was designed
to assistcrew
m e m b e r isn t h e o o e r a : : i o f t h e n e wS h u t t l eS o l r d - S t aC
t eo l o T
r elevision
C a m e r a sT. h ed : c a lr s : : a t e d o n t h e A 7 P a n eal n dw i l lb e u s e cijn c o n j u n c t r o n
with the swtch S45 tr--c..rgh
S50 pushbuttonindicators
to helpprovidecrew
memberswith a referer:eto indicateCTVCmenuand modeseleciions.Thereare
f o u r m e n r sa n di h r e e- c J e s e l e c t r o npse rm e n uw h i c ha r ea s f o l l o w , s :
rt:NUS
MODESELECTTONS--------1
'1.
I"
BAL '- -r
BAY
2 - M A NG A I N- J
OdB
--l
3.
ALC
PEAK
4. (ALr OFF) - -.' SH',IITTER
ON/OFF
2.
3.
CABIN
SUN
+ 1Z d B
.24d8
NORM
AVG
BARSON/OFF GAMBLK STR/Linear
TheCIVC menusei:ciionsALC,MANGAIN,andBAL can be accessed
by
pressingeitherswitchS45,546. cr S47. The ALLOFFmenucanbe accessed
by
deseleciino
whichever
switch545, 546, or S47 is illuminated.
TheALL OFF
menuwillbe usedas a siartingqrint for groundcontrollers
uplink
to imolement
commands.After moceselectionis completed,
the menuswitchesshouldbe
returnecio the ALLo:: menu. The previously
selectedmodesarestillactive.
ALL oFFmeansihat al threemenuselecipushbutton indicatorlarnps(ALc, MAN
GAIN.BAL)are off.
F i g u r e L 6 - 2 5 . -P a n e rA Z s w i t c h e s / l a b e l i n gw i t h c r v c d e c a l .
16_60
SHUTTLE
OPS
I NCO
-18611
O R I G : MOO
LCHAN
L 2/ 3 1/ 9 3 : B A S I C .R
PCN-7
CCTV
S C P1
r',lenu
S e l e c t i o ni x a m o l e
c o m m a n c i i n gt h e c j - v z ci r t o a n A u t o r n a r r cL i o h t c o n t r o l ( A L c ) r r e n u
can be
a c c o m c i r s h ebdy o . e s s r n :s w r t c h5 4 5 ( t h e o u s h b u t t o n i n d i c a t o rw i l l
become
i l l u m i n a t e d ) .A t t h i s o c i r : t t h e c r e w m e m b e r c a n s e i e c t o n e o f
three ALC mode
selectronP
s E A K ,N O R M .: r A V G b y p r e s s i n qs w i t c h S 4 g , 5 4 g , o r S 5 C ,
r e s D e : t r v e l yw, h r : h w r l l: : : n i l l u m i n a t e
i n c i r : a t r n toh e m o n o q o i o r - r p -
MENU
MODESELECTIONS
.L.J.
ALU (Onl
PLAK
NORM
AVG
E x r t i n gt h e a b o v e A L C . . e n u c a n b e a c c o m p r i s h e db y e r t h e rp r e s s r n E
switch
s 4 6 ( M A N G A I Nm e n u s e i e c r )o r s w i t c hs 4 7 ( B A L m e n u s e r e c t ) . p n o r
to
s e l e c t i n !e r t h e rt h e M A N G A I No r B A L m e n u , e x i t i n gt h e A L C m e n r
c a n a l s ob e
a c c o m D h s h ebdy p r e s s i ; - s: w i c h S 4 5 a s e c o n dt i m e . p r e s s i n o
s w i t c nS 4 5 a
s e c o n di i m e c a u s e st n : 3 . . i s rb' ru t t o n i n d i c a t o r l a m p t o e x t i n o u r s n
a r . \ !r e t u r n s t h e
C T V Ct o t h e A L L C F Fm e n ; .
T h e M A N G A I N a n c B A L - e n u s a r e s e l e c t e da n c d e s e r e c t e di n
ire simirar
m a n n e ra s I n t h e a b o v ee x a m D l e .
A f i e r m e n ua n d m o d es e l e c t i o n sh a v e b e e n
m a c j ea, l w a y sr e t u r nt h e m e n us e l e c t i o nt o t h e
A L L O F Fm e n u .
ALL OFFMENU
To enterthis menuthe crewmemberdeseiectsthe selectedALC.llAN GAIN.or
the BALmenu. Whennoneof '.hesethreeswitchesare illuminated.
the crew member
hasenteredthe ALI OFFmeiru.At thispointihree additronal
modescan be selected.
.
Pressing
switch548 tums on the anti-vertical
smearingSHUTTER
wheel.
The switchS48 willbe:omeilluminated.
The SHUTTER
can be tumed oif
by pressingswitchS48 a secondtime.
'
The colorBARS0N test pattemcan be tumed on by pressing
switch549.
The switchS49 willbecomeilluminated.
Pressing
switchS49 a secondtime
causesthe indicator
iampto €xtinguish,
tums the coiorbarsoff, and
reselectsthe CWC vicjeopictr:reoutput.
'
The last modethat is availablc
in the ALL OFFmenu is the selectionbetween
GAMBLK STR(GammaBlackStretch)and Linear. GAMBLK srR is the
normaloperatingmodewirichis indicatedby switch S50 illuminated.When
first enteringthe ALL oFFmenu,switch S5o will be illuminated.pressing
switchS50 willextinguish
its indicatorlampand the cameraentersthe
Linearmode. To exitrhe Linearmodeand returnto the GAMBLK srR
mode,pressswrtchS50 a secondtime. ThiscausesswitchS5Oto
illuminate
and placesthe camerabackinto the normaloperatingGAMBLK
STRmode.
Figure16-25.-Concluded.
i6-61
S H U T T LOEP S
ORIG: MOOLCHAN
I N C 0 / C 0 M M / J S C - 1 8 6 1 11 2 ' 3 1 / 9 3 : B A S I C .R E VD . p C N _ 7
CCTV
S C pt 6
)
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16-62
S H U T TO
L EP S
ORIG:MO0LCHAN
I N C 0 / G 0 M M / J S C - 1 8 6 1112 r i r : B A S I C R
. tVD. pcN-z
CCTV
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C a m e r as w it c h f u n c t . i o n s
FOCUS
- T h i s i s a t h r e e - p o s i t i o n m o m e n t a r ys w i t c h w h i c h
is spring
l o a d e d t o t h e c e n t e r p o s i t i o n . H o l d i n g t h e s w . i t c hi n e i [ h e r
t h e N E A Ro r F A Rp o s i t i o n w i r r r e s u ' l t j n a c o n t . i n u o u d
sr.iving
( i n t h e a p p r o p r i a t ed i r e c t i o n ) o f t h e f o c u s d r i v e m o t o r u n t i t
a s t o p ' is r e a c h e d o r t h e s w it c h i s r e I e a s e d.
ZOOM
- O p e r a t e ss j m i l a r l y t o F O C U S
swjtch.
IRIS
- O p e r a t e ss i m i l a r l y t o F 0 C U Ss w i t c h
- T h i s ' i s a t h r e e - p o s ' i t i o nt o g g l e s w i t c h .
S E L E CFTU N C T
Its purpose.isto
e n a b l e t h e S E L E CsTw ' i t c h t o c o n m a n 6( l n a s e q u e n c i n gf a s h i o n )
e i t h e r t h e A L C , M A N U AGLA I N , o r B A L A N Cf E
unctions, and at the
s a m et i m e , a s s i g n t h e t h r e e a s s o c i a t e d i n d . i c a t o r st o d i s p l a y
e j t h e r A L c , t v t A N UG
AA
L I N , o r 8 A L A N CsEt a t u s . ( l f t h e r u N b r l b l {
S E L E C sTw ' i t c h ' i s i n t h e A L C p o s i t i o n , t h e A L C s t a t u s w i l l b e
' in di c a t e d
b y a n i I l u m in a t e d P E A K ,N O R Mo, r A V GI a m p . T h e A L C
s t a t u s m a y b e c h a n g e db y m o m e n t a r i l yd e p r e s s i n gt h e s E L E c r
s w it c h . )
5ELiCT
- T h i s i s a t w o - p o s i t i o n m o m e n t a r ys w ' i t c hw h i c h
is spring
l o a d e d t o t h e u P p o s i t i o n . I t w o r k s i n c o n j u n c t i o nw i l r r f f r e
F U N C T I 0SNE L E C sTw i t c h t o c o r n n a n tdh e A L C , M A N U AGLA I N , a n d
B A L A N Cf E
unctions.
ssF/sTs
-
I ! 1 s i s a t w o - p o s i t ' i o nt o g g l e s w i t c h .
S T S- 5 - b i t l o c a t i o n c o d e -( s h u t i l e )
S S F- 7 - b i t l o c a t i o n c o d e ( s t a t i o n )
Figure 16-26.- Concluded.
16-63
SHUTTL
OEP S
ORIG: MOOLCHAN
I N C O / C O M M / J S C - 1 8 61121' 3 1 / 9 3 : B A S I CR
. tVD. PCN_Z
CCTV
SCt 16
1 6 . 7. 7 . 3 T e l e m e t r yV I T S
9 9 t . f 1 t e l e m e t r yi s i n s e r t e d j n t o t h e v e r t ' i c a l i n t e r v a l d u r i n g l i n e s 1 2 , 1 4 ,
1 6 , 1 7 , a n d 1 8 . T h e T L Ma s s o c i a t e dw i t h e a c ho f t h e s e t j n e s i s l e n s
p a n / t i l t d a t a , c a m e r ao p e r a t i n gm o d ed a t a , c a m e r aa d d r e s sa n d s i g n a l d a i a ,
to
n o j s e ( 5 / N ) d a t a , a n d t e m p e r a t u r de a t a , r e s p e c t i v e l y .
16- 64
SHUTTLE
OPS
O R I G : MOOLCHAN
r N c O / C O M M 1 J S C - 1 8 6t i21/ 3 1 1 9 3 : B A S I C .R E VD . P C N - 7
m
CCTV
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l 2 l 3 1 r : B A S I C .R t V D . p C N _ 7
CCTV
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data
lut
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blnary
data
llllililir
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It]II
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r S C1 8 6 1 r ' 0 9 1 l 6
Figure 16-28.- tjne 14 pan/tilt
16- 65
data format.
S H U T T LO
EP S
I SMC - 1 8 6 1 1
INCO/COM
gL
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ORIG: MOOLCHAN
1 2 1 3 1 / 9 3 : B A S I C .R t V D . p c N _ 7
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16- 67
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Eq
6
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S H U T T LO
EP S
ORIG: MOOLCHAN
Horizontal
drtve
L dilre
3
LDT
C a m en a
serral no
CCTV
For spacestation the
cameraIocation shall display
7 bits rather than 5 bits.
T i m i n g s h a l l c h a n g ef r o m
17.64 ps to 18.62ps and
27.44 gs to 28.42 ps
llllilTllrlt
lirillilllll
lliillililll
LZ
+
il1il]flil1
1- 17.64 prs
sc'E6il.089
F i g u r e 1 6 - 3 0 . - L i n e 1 7 c a m e r aI D d a t a f o r m a t .
t6- 68
!6
S H U T T LO
E Ps
I N C O / C O MI S
MC - 1 8 6 1 1
QRIG: MQQLCHAN
I 2 l 3 1 / 9 3 : B A S I C .R E VD . P C N - Z
CCTV
SCi 16
Hori zontal
otrve
5V
P u ls e s r d t h m o d ui a t e d c a m e r at e m p e r a t u r e
telemetrv
Djg data
out
___>'
+
Mrn rrdth
= 1.96 ps
"l-ll--";;^
I
I
I
i
l*r-
1176Ps
J S C1 8 6 1 1 ' 0 8 E : ' 1 6
F i g u r e l 6 - 3 1 . - L i n e 1 8 cam er atemper atur e.
16- 69
SHUTILE
OPS
I N C O / c O Mt sMc - i 8 6 1 1
ORIG: M00LCHAN
1 2 ' 3 1 / 9 3 : B A S I C .R E VD . p c N - 7
CCTV
scp 16
16.7.7.4 Pan/Tilt Controt
T h e C M D / T LpI ,r|o v i d e s t h e c ' i r c u i t r y t o d e c o d et h e r e m o t e p a n / t j l t ( p / T )
comm a n d sa n d t o g e n e r a t e t h e p a n / t ' i l t c o n t r o l c l o c k s ( f a s t a n d s l o w ) u n O ' t f , e
r e s e t t a b l e c o u n t e r st h a t d e r j v e r e l a t i v e p a n a n d t i t t a n g l e s f o r i n s e r t j o n
o n l j n e 1 4 . T h e r e m o t e c o m m a n dcso n s i s t o f p / T f a s t , p / i s i o w , p / T r e s e t ,
pan right' pan 1eft, tilt up, and tilt down. Limjt iwitch cloiures
assoc i a t e d w i t h t h e P T Ua r e a l s o a c c e p t e db y t h e C M D / T L p
Mr o c e s s o r . T h e s e a r e
t h e r i g h t a n d l e f t l i m i t s w i t c h e s a n d t h e u p a n d d o w nl j m i t s w j t c h e s . I f
a
I i m i t s w i t c h i s e n a b l e d , t h e P / T c o n t r o l c l o c k w i I I b e i n h . i b . i t e da n d t h e
p o s i t j o n c o u n t e rw i l I s t o p c o u n t i n g . T h e P / T c o n t r o i p r o v i d e s
an-i'l-bi;
c o u n t e r t o m o n t ' t o rp a n a n d t i ' l t p o s i t j o n . I t a l s o g e n e r a t e s a s i g n b i t f o r
t h e c o u n t e r t o d e t e r ^ m i n et h e d i r e c t i o n o f m o t i o n a w a yf r o m z e r o . A p / r
r e s e t c o n m a n rde s e t s t h e c o u n t e r t o z e r o .
1 6 . 7 . 7 . 5 L e n sM o t o r C o n t r o l
T h e C I ' I D / T LpM
r o c e s s o r a i s o p r o v i d e s t h e n e c e s s a r yc i r c u i t r y t o d e c o d e
and
e n a c t l o c a l a n d r e m o t e l e n s m o t o r c o m m a n d s .T h e s e c o m m a n dasr e i r i s o p e n
a n d c l o s e ' f o c u s n e a r a n d f a r , a n d z o o mj n a n d o u t . A s i n t h e p / T c o r n m a n d s ,
t h e r e a r e e n d - o f - m o t i o n ' l i m i t s w i t c h e s a s s o c i a t e dw i t h e a c h o f t h e s e c o m m a n d s . T h e C I 4 D / T LpMr o c e s s o r r e s p o n d st o t h e s e c o m m a n oasn o g e n e r a t e s
the
n e c e s s a r ym o t o r d r i v e c l o c k i n g s i g n a l s . E a c hm o t o r r e q u j r e s i o u r
separate
c l o c k s , e a c h a d i f f e r e n t p h a s i . i i r e r e l a t i o n s h i p o f t h e p h a s e so f t h e
c l o c k s d e t e r m i n e st h e d i r e c t i o n i n w h ' i c ht h e m o t o r w i l l t u r n . T h e f o c u s
and
z o o mm o t o r c o n t r o l ' l e r s r u n a t I 2 0 H z . T h e i r i s m o t o r c o n t r o l l e r o n
the
o t h e r h a n d o p e r a t e sa t t w o r a t e s , 1 2 0 H z a n d 6 0 H z . U n l j k e t h e f o c u s
and
z o o mc o n t r o l s , t h e j r i s c o n t r o l l e r a l s o r e s p o n d st o o p e n a n d c i o s e
commands
f r o m t h e A L C / A GcCo n t r o l . C o m m a n df rso m A L t w i l l a u t o m a t ' i c a l l y s e l e c t
the
I 2 0 H z c l o c k . L o c a l o r r e m o t e c o m m a n dwsj l l a u t o m a t i c a l l y s e l e c t t h e
60 Hz
c l o c k . I n a d d i t i o n , t h e r e m o t e o r l o c a l c o m m a n dwsi l l c a u s e a c o m m a n d
to be
t r a n s m i t t e d t o t h e c o r n m a ndde c o d e r t h a t w i l l f o r c e t h e c a m e r ai n t o t h e
m a n u a lg a i n , 0 d B m o d e . F i n a l ' l y , t h e i r i s c o n t r o l l e r w i I I r e s p o n d
to a puse
t r a n s m i t t e d j u s t p r i o r t o p o w e r d o w n . T h i s c o m m a n dp, O w E R
O F FP R E S E Tj ,s
l a t c h e d a n d f o r c e s t h e i r i s t o c l o s e a t t h e l ? O - H z r a t e . E n o u g ht i r n e
is
a l ' l o w e df o r t h e ' i r i s t o c l o s e f u 1 1 y f r o m a f u l l y o p e n p o s i t i o n b e f o r e p o w e r
is lost- Thefocus, zoom, iris, and shutter interiace to the lens
assembly
i s m a d ev i a g e a r - d r i v e n s t e p p e r m o t o r s . O n em o t o r i s d e dj c a t e d t o
each
function of focus' zoom,and iris.
A s e c o n ds e r i e s o f t h r e e g a u r t a t t a c h e s
t o t h r e e p o t e n t i o m e t e r st o r e a d a v o l t a g e i n d i c a t i v e o f p o s i t i o n o f f o c u s ,
z o o l t l 'a n d j r i s .
. T h e v o l t a g e s a r e s h a p e d ,s e l e c t e d v i a a n a l o g s w i t c h e s ,
routed to the A-0
, and eventuaily output as a ser.ial data stieam. A
r o t a t ' i n g s h u t t e r w h e e l ( n o t s h o w ni n f i g u r e 3 - 3 2 ) ' i s l o c a t e d b e i w e e n
the
l e n s .a s s e m b l ya n d t h e C C Ds e n s o r . T h e i e r v o d r i v e s t h e s h u t t e r w h e e l
in
synchronism
with an externally furnished horizontal sync pu1se.
The shutter wheel is driven under instruction of its Hall effect
sensorsv.ia
t h e c o n m u t a t i o nl o g i c a n d F E T s w ' i t c h e s . O n eo f t h e H a l l e f f e c t s e n s o r s
is
u s e d a s p h a s e - g e n e r a t o r . T h e o u t p u t o f t h e p h a s ed e t e c t o r i s l o o p e d
I
a r o u n dv i a a d i f f e r e n t i a l a m p l i f i e r , _ a P o w e rO i n m p , t o c o n t r o i t t r e ' s p e e d
of
t h e m o t o r a s s h o w ni n t h e f i g u r e 1 6 : 3 3
16-70
S H U T T LOEP S
ORIG: MOOLCHAN
I N C O / C 0 M M / J S C - 1 8 6 1 11 2 1 3 1 / 9 3 : B A S I C .R E VD . p C N _ Z
CCTV
S C pi 6
1 8 6 1 1 1 6 3 5 l. 5 0 r I
Figur e L6- 32.- Lens.
L6-71
SHUTTL
OEP S
0RIG: M00LCHAN
I N C O / C O M M / J S C - 1 8 61121l 3 I / 9 3 : B A S I CR
. E VD . P e N - 7
CCTV
S c P1 6
-O
E9
a
o
L
(u
tA
L
OJ
+,
+)
J
(t,
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L6- 72
o
S H U T T LO
EP S
NC0/COMM - 1 8 6 I1
0RIG: M00LCHAN
l ? / 3 1 / 9 3 : B A S I CR
.
PCN_7
f aT\/
Pi6
L6.7.7.6 Color Bar Generation
T h e C M O / T LpMr o c e s s o r c o n t a i n s t h e n e c e s s a r yt i m i n g r e q u i r e d t o g e n e r a t e t h e
c o l o r b a r t e s t p a t t e r n f o r j n s e r t i o n i n t h e d o w n l i i t <v i d e o . I t i o n s i s t s o f
s e v e nd i s t i n c t c o l o r b a r s w i t h a d u r a t j o n o f 7 . 5 2 p s e c e a c h . T h e c o l o r s
f r o m _ l e f t t o _ r ' i g h t _ a r eg r a y , y € l 1 o w , c y a n , g r e e n , m a g e n t a ,r e d , a n d b l u e .
S e e f i g u r e 1 6 - 3 4 , S M P Tc o l o r b a r p a t t e r n .
.RAY
Etut
YELTOI{
ELACK
CYAN
GREEN
MAGENTA
ELACX
MAGENTA
CYAN
RED
BLUE
BLACK
GRAY
V
I
a
WHITE
ELACK
1.5
I
A - 9.40 ps
B - 7.52 ps
C - 2.51 ps
8 L 3L I ] L r
i5
5
ilj
ELACK
1.5
lc lc lc I
D - 1 0 . 3 0m s
E - 1 . 2 1m s
F - 1 5 . 4 1m s
NOTES: 1. Vertical blanking period = 20 H (1.271 ms)
2. Hocizontal btanking period = 10.9 ps
J s cr 8 6 rt . 0 t 5 .t 6
F i g u r e 1 6 - 3 4-. S M P TcEo 1 o r b a r p a t t e r n .
l6-73
S H U T T LOEP S
, sMc - 1 8 6 1 1
iNCO/GOM
1 6 . 7. 7 . 7
0RIG: MOOICHAN
r z l 3 1 , 9 3 t B A S I C .R E VD . p c N - Z
CCTV
scp 16
P o w e r0 N R e s e t
D u r i n g p o w e r u p ,a P O W E0RN R E S E T
signal is received by the cMD/TLM
p r o c e s s o r . I n a d d j t j o n t o i n ' i t i a l i i i n g t h e C M D / T LrMo r p r o p e i ' o p e r a t i o n ,
t h e s ' i g n a 1a l s o c o n f i g y r g s t h e o p e r a t i i g n o d e s o f t h e c a m e r a
to an init"ial
k n o w nc o n d i t i o n . T h e G M O / T LwMi l l r e s e i t h e c a m e r aa s f o l l o w s :
o
o
o
a
o
a
o
a
o
a
M a n u a lg a i n m o d es e l e c t e d
0 d B m o d es e l e c t e d
Color balance- Daylight seiected
S h u t t e r - D ' i s a bel d
- L'inear
Garnma
C oI o r b a r s - D ' si a b le d
Pan/tilt contro.l clock - Disabled
P a n / t i 1 t p o s i t j o n c o u n t e r s- D j s a b l e d
I r j s , f o c u s , a n d z o o mm o t o r s _ O i s a b l e d
c o m m a nrde c e i v e r c o u n t e r s a n d s h ' i f t r e g i s t e r s - c l e a r e d
16.7.8 Svnchronization
T h e c r V C c o m p o s i t ev i d e o o u t p u t m a y b e s y n c h r o n i z e d . i n
f r e q u e n c yt o t h e
m a s t e r c o m p o s i t es y n c s i g n a i d i s t r i b u t e d t h r o u g h o u t
the orbiter-by the RCu.
T h i s s i g n a l a l s o p r o v ' i d e i c a m e r ac o r f i m a ndda t a F r o mb o t h g r o u n d
and crew. In
t h e e v e n t o f l o s s . o f m a s t e rs y n c , t h e c r v c w i l l c o n t i n u e
to prouide NTSC
c o m p o s i t ev j d e o s i g n a l w h ' i c hc o n f o r m st o t I A S I D R S - 1 7 0 A
but which is async h r o n o u sw i t h t h e b a l a n c eo f t h e o r b i t e r v i d e o s y s t e m . S e e
rigure 16-35.
16-74
S H U T T LO
EP S
ORIG: MOOLCHAN
I N C O / C O M M / J S C - 1 8 6 11
1 2 ' 3 1 ' 9 3 , B A S I ' . R E VD . P C N - /
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L6-75
S H U T T LOEP S
ORIG: MOOLCHAN
I N C 0 / C 0 M M / J S C - 1 8 6 1 11 2 1 3 1 / 9 3 , B A S I C .R E VD . p c N - 7
CCTV
S C pi 6
1 6 . 7 . 9 R G BV i d e o P r o c e s s i n q
The v'ideo from the green channel generated from the ALC/AGC
f.irst undergoes
a o n e - l i n e d e l a y t o p l a c e j t i n p h a s ew ' i t h t h e r e d a n d b l u e c h a n n e l s ;
ttre
g r e e n c h a n n e l C C Dh a s b e e n m e c h a n i c a l l yd i s p l a c e d b y o n e l . i n e
to permit
d e v e l o p m e not f t h e v e r t j c a l c o n t o u r s i g n a l . ' F r o mt h j s p o i n t ,
all three
c o m p o n e nct h a n n e l s ( R G B )u n d e r g o . i d e n t i c a l p r o c e s s i n ga n d p r o v i d e
the
fol'lowingfunctions:
o
o
o
.
o
o
o
o
o
o
Aperture comDensat'ion
Garnma
compensat
i on
Black level restoration
Black/white ct ipping
SMPTE
color bar generation
Video/color bar switching
Sync, VITSand digital data insertion
S y n c a n d c o r m a n dl j n e r e c e i v e r
N T S Ca n d R G Bl ' i n e d r i v e r s
Vertical contour qeneration
1 6 . 7 . 1 0 N T S CC o l o r t n c o d e r
T h i s i s u s e d t o c o n v e r t r e d r g F e e h , a n d b l u e c o m p o n e nvt 1 d e o
signals to a
c o m p o s i t ev i d e o s i g n a l e n c o d e di n N T S Cf o r m a t . i t r e e n c o d e rc o n i i s t s
of two
m a j o r p a t h s ' t h e l u m i n a n c ec h a n n e l a n d t h e c h r o m i n a n c ec h a n n e l . g o t h
chann e i s r e q u i r e i n d i v i d u a l m a t r i x e s , 1 o wp a s s f i l t e r s , a n d m o d u l a t o r s .
The
m o d u l a t o r sa r e u s e d t o g e n e r a t e c h r o m i n a n c es i g n a l ' ( ; ; i r ; - i ; r o r m a t i o n ) .
F o l ' l o w i n gb l a n k i n g , t h e c h r o m ' i n a n cse' i g n a l j s i u n r m e tdo t h e
delayed
l u m i n a n c es i g n a l t o f o r m t h e N T S Cc o m p 6 s i t ev i d e o s i g n a l . T h e
H i S Cs i g n a l
'is
s e n t t o t h e R G Bv i d e o p r o c e s s o r w h e r e j t i s o u t p u i f r o m t h e c a m e r a
t h r o u g h t h e N T S Co u t p u t d r j v e r c j r c u i t r y .
i6- 76
.
S H U T T LO
EP S
O R I G : MOOLCHAN
1 2 / 3 1 / 9 3 2 S I C . R E VD . P C N - 7
r N C O /c0 MM/JS
1 8C
6 1-
CCTV
16
C o m p o s i tpei c t u r e s i g n a l , n o m i n a l V P - P i n t o 7 5 - 0 H Ml o a d i m p e d a n c e ,
b l a c k n e g a t ' i v em
, u l t ' i p l e x ew
dith fo'llowingvertical interval telemetry
i nformati on.
F ' i eI d
number
Vertical interval
I i n e nu mb e r
Signal jnformation
CAMERACONTROL
COMMANDS
T2
r/2
r/2
t3
L/2
CAMERACONTROL
COMMANDS
L4
L/2
P A N - T I L TA N G L E
STATUS
t6
L/z
CAMERA
STATUS
l7
L/2
- S/N iDENTIFICATI0N
C A M T RLAo C A T I 0 N
18
r/?
CAMERA
IEMPERATURI
VIA Pl.lMSIGNAL
19
I
11
2
L E N SF U N C T I OSNT A T U S
V I T S - M O DS. T A I R C A S2IT, P U L S EA, N D
8ARI,II NDOl.l
VITS-MULTIBURST
F i g u r e1 6 - 3 6 . - N T S C / g r e evnj d e o o u t p u t .
Paraneter
Hori zontal
(deg)
Verti caI
(deg)
ZOOMII{
10.6
8.0
200ilouT
7 7. 0
51.0
FOCUS
DISTANCE
I foot to infinity
F-STOP
FOCALLEI{GTH
F1.7to F16
5.5rm to 47nm
2001'l
8.5 to 1
F i g u r e 1 6 - 3 7 . -C a m e r a
lens capability.
L6-77