75cm ODU/SurfBeam 2 Point and Peak Job Aid

75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Summary
This Job Aid covers:
Preparing the Antenna for Pointing and Peaking Configure the SurfBeam 2 Modem and 75cm TRIA Point Elevation Set the Skew Point Azimuth Peak Azimuth Peak Elevation Push/Pull Test RX SNR in the Modem Browser Interface This Job Aid supports all Installer audiences.
This Job Aid supports all 75cm SurfBeam 2 User Terminals: VS1100, VS1101, and VS1200.
Note: Images for the VS1100 appear on the left; images for the VS1200 appear on the right.
Preparing the Antenna for Pointing and Peaking
The following information reviews the steps necessary to prepare the satellite modem and the Ka-band
antenna to support the ViaSat Point and Peak process. The installer is required to complete this process
during every ViaSat Service installation.
Warning: Confirm that the modem is unplugged from the wall before beginning any preparation
steps.
Setting 'Zero'
Before aligning an antenna, confirm that these items are present. These three settings represent the 'zero'
settings.



The Elevation gauge is set to the Elevation listed on the work order
The Azimuth Fine-adjust bolt is centered in its ‘zero’ position.
o VS1100: If not, loosen the Azimuth base plate bolts, and rotate the bolt’s hex head until the
right-rear base plate bolt is in the center of its arched slot.
o VS1200/ VS1300: If not, loosen the Azimuth base plate bolts, turn the Fine Azimuth adjustment
nut until the indicators on the base of the AZ/EL are at Zero (0).
The Skew is set for 90 degrees
© 2006 - 2014 ViaSat, Inc.
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75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Required Tools
To point and peak a 75cm ODU using the SurfBeam 2 (SB2) modem, an installer needs these tools:

A computer with a Ethernet port and Ethernet cable
Note: This may be either the customer’s computer or the installer’s laptop.




The WildBlue Inclinometer bracket
An inclinometer
13mm open wrench
13mm ratchet and socket
Configure the SurfBeam 2 Modem and 75cm TRIA
Recall that the 75cm TRIA receives its polarity setting from the SurfBeam 2 (SB2) modem, which in turn
receives its satellite and beam assignments, and frequency set information from the Modem Key found on the
work order.
These steps assume that the 75cm ODU is sitting on its mount, and that cabling and grounding are complete.
Follow these steps to configure the SurfBeam 2 modem and 75cm TRIA prior to beginning the Point and Peak
process.
Step
Action
1.
Connect the computer to the SB2
modem using the Ethernet cable
between the LAN ports on both
devices
2.
Connect the COAX cable between
the Transmit (TX) port on the TRIA,
and the TX port on the SB2 modem.
Note: If the SB2
modem has a single
IFL port, use this port.
3.
Plug the modem AC power cord into the power outlet. Wait approximately two minutes for the SB2
to power on.
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Terms of use.
75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Step
4.
Action (continued)
Open the computer’s Internet Explorer
browser and type this URL into the Address
bar:
http://192.168.100.1./install
Click the forward arrow in the Address bar.
The modem enters the Installation Mode.
Note 1: Internet Explorer or
Mozilla Firefox are the preferred
browsers for this step. Other
browsers may have different
results.
Note 2: If a ‘website not found’
error appears, click the browser’s
refresh button until the page
appears
5.
Find the 16-digit Modem Key on the work
order, and type it into the fields.
Click the large forward arrow in the lower
right corner of the screen.
Important: Do not press Enter,
as this makes the modem leave
the Installation mode.
6.
The Installation Configuration page
changes.
Confirm that these two events are
happening:


The SB2 modem’s RX and LAN
lights are flashing.
The TRIA is emitting the 'heartbeat'
tone
The SB2 and TRIA are ready for the Point
and Peak process.
© 2006 - 2014 ViaSat, Inc.
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Terms of use.
75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Point Elevation
The following information reviews the steps to complete the point (coarse) antenna Elevation adjustment.
Step
Action
1.
Slightly loosen the Lockdown Nuts in the Arched Slots on
sides of the Elevation Bracket. Next, turn the top ½-inch
Nut on the Elevation Rod away from the top of the Pivot
Casting.
2.
Follow the steps for the appropriate antenna:
VS1100
Step
Action
1.
Set the marker on the Inclinometer
to the Arm angle shown on the
work order.
2.
Lay the WildBlue Inclinometer bracket over
the Boom Arms. Place the Inclinometer on
top of the Inclinometer bracket.
VS1200
Step
1.
Action
Using the Elevation setting found
on the work order, set the marker
on the Inclinometer using this
formula:
90 – Elevation = Boom Arm Angle
2.
Lay the Inclinometer on the outside edge of
the Back Bracket, near the Skew ring.
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Terms of use.
75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Step
Action (continued)
3.
Use the open wrench to turn the Bottom Nut in the
direction necessary to align the Inclinometer floating
arrow to the marker.
4.
Handtighten the top nut on the Elevation rod to the Pivot Casting. Finally, tighten the Lockdown Nuts
in the Arched Slots on each side of the Elevation Bracket with the open wrench or ratchet.
Set the Skew
After pointing the Elevation, the antenna is skewed using the setting found on the work order.
Follow these steps to set the Skew. VS1100 images are on the left; VS1200 images are on the right.
Step
Action
1.
Locate the skew setting on the work order.
2.
Loosen the four bolts that
hold the Antenna Back
Bracket to the Skew plate.
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Terms of use.
75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Step
3.
4.
Action (continued)
Rotate the reflector dish so that the Skew pointer aligns with the Skew setting on the scale.
Tighten the four bolts.
Point Azimuth
Point the antenna to the course azimuth.
SB2 TRIA tone sequence
Recall that the SB2 modem must learn about its frequency set. This happens when the installer sweeps the
antenna from each side of the azimuth or the elevation.
Inside the Frequency Set
the TRIA emits …
Outside the Frequency Set
the TRIA emits …
During Point Azimuth
Ring ring, low/slow, high/fast, high/steady
Heartbeat
During Peak
Azimuth/Elevation
Low/slow, high/fast, high/steady
None – always inside the
frequency set
Tone Frequencies
For those who use hearing
aids, or other audio
augmenting devices, the
frequencies for the tones
are as follows:
© 2006 - 2014 ViaSat, Inc.
Tone
Frequencies
Heartbeat
3KHz
Pointing Tones
2.5 – 3.1KHz
Peaking Tones
2.5, 2.95,3.1 and 3.3KHz
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75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Follow these steps to point the Azimuth of the 75cm ODU.
Step
1.
Action
Sweep the antenna from side to side, checking the tightness of the three flange nuts on the mount
canister. The antenna should move, but not too easily. Tighten or loosen the flange nuts as needed.
Note: After placing the antenna on the mount tube, the Installer aligned it to the
desired compass setting.
2.
Sweep the antenna to the right, about 10 degrees away from the line-of-sight selected during the Site
Survey.
3.
Sweep the antenna toward the left,
listening for the TRIA to emit the
‘ring ring’ tone. Continue sweeping
the antenna toward the left until
the TRIA emits the ‘heartbeat’
tone. Stop, as this is the end of the
first learning pass.
Note: Disregard
any 'beep bop'
tones. The TRIA
does not recognize
these satellites.
4.
Reverse the direction of the
sweep, and listen for the TRIA to
progress through the tone
sequence. Stop the sweep when
the TRIA emits the heartbeat tone.
This is the end of the second
learning pass.
Note: Use a slow,
consistent tension
on the antenna
during this sweep.
Not all of the tones
may be heard.
5.
Reverse the direction of the sweep
again, now sweeping to the center,
and listen for the TRIA to emit the
high/steady tone. The antenna is
now in the center of the beam.
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Terms of use.
75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Step
6.
Action (continued)
Finish this step by tightening the Flange bolts, starting with the top to maintain an even pressure on
the Tube canister.
Note: The high/steady tone may dip while tightening the Flange bolts. If the tone does
not return to the high/steady, then repeat the step. Remember to reset the modem's
learning by sweeping the antenna away from the satellite, and holding the Inclinometer
bracket over the feed horn.
Peak Azimuth
The following information reviews the steps to complete the peak (fine) antenna Azimuth adjustment. VS1100
images are on the left; VS1200 images are on the right.
Step
Action
1.
Loosen the Azimuth base plate
bolts using a 13mm ratchet.
2.
Using an open wrench, rotate
the hex head of the Azimuth
fine-adjust bolt.
Important: Do
not pass the
low/slow tone
when peaking
the 75cm ODU.
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Terms of use.
75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Step
Action (continued)
3.
Sweep the antenna toward the left,
listening for the TRIA to emit the low/slow
tone, which means that the antenna has
found the far edge of its frequency set.
Stop, as this is the end of the first fine-tune
learning pass.
4.
Reverse the direction of the sweep, now
sweeping to the right, and listen for the
TRIA to progress through the tone
sequence. Stop the sweep when the TRIA
emits the low/slow tone. This is the end of
the second fine-tune learning pass.
Note: Because this is a finetune pass, all tones should
be present. Periodically
pause and wait for the
modem to evaluate the
information coming from the
antenna.
5.
Reverse the direction of the sweep again,
now sweeping to the center, and listen for
the TRIA to emit the high/steady tone. The
antenna is now in the center of the beam.
6.
Finish this step by tightening the Azimuth base plate bolts.
Note: The high/steady tone may dip while tightening the base plate bolts. If the tone
does not return to the high/steady, then restart the Point and Peak process.
Remember to reset the modem's learning by sweeping the antenna away from the
satellite, holding the Inclinometer bracket over the feed horn, and then re-centering
the Azimuth fine-adjust bolt.
© 2006 - 2014 ViaSat, Inc.
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Proprietary – For use only pursuant to
company approval and instructions
Terms of use.
75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
VS1100: Damaging the Azimuth Fine-adjust Bolt
If the Azimuth Fine-adjust bolt is not centered prior to beginning the Point and Peak
process with the VS1100 ODU, the peaking procedure may cause unwelcome
stress where the Fine-adjust bolt attaches to the Azimuth base plates.
The motion of the Azimuth Fine-adjust bolt is limited to 3 degrees from one side of
its slotted arch to the other. Rotating the hex head beyond the low/slow tone during
the peaking procedure exceeds this 3-degree limit and begins to compress the
bolt’s attachments.
When the attachments come under this compression, they will buckle and
may fail, as shown in the image. This leads to a poor quality installation.
Important: Avoid this problem by following these two instructions:
1. Always center the Azimuth fine-adjust bolt prior to pointing and
peaking.
2. Do not pass the low/slow tone during the peaking sequence.
Peak Elevation
The following information reviews the steps to complete the peak (fine)
antenna Azimuth adjustment.
Step
Action
1.
Slightly loosen the Lockdown Nuts in the
Arched Slots on sides of the Elevation
Bracket. Next, turn the top ½-inch Nut on
the Elevation Rod away from the top of the
Pivot Casting.
2.
Use the open wrench on the lower
Elevation rod nut.
Caution: Do not pass the
low/slow tone when
peaking the 75cm ODU.
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75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Step
Action (continued)
3.
Sweep the nut on the Elevation rod such
that the TRIA drops ,and listen for the
TRIA to emit the low/slow tone, which
means that the antenna has found the far
edge of its frequency set. Stop, as this is
the end of the first fine-tune learning pass.
4.
Reverse the direction of the sweep, now
sweeping to raise the TRIA, and listen for
the TRIA to progress through the tone
sequence. Stop the sweep when the TRIA
emits the low/slow tone. This is the end of
the second fine-tune learning pass.
Note: Because this is a
fine-tune pass, all tones
should be present.
Periodically pause and wait
for the modem to evaluate
the information coming from
the antenna.
5.
Reverse the direction of the sweep again,
now sweeping to the center, and listen for
the TRIA to emit the high/steady tone. The
antenna is now in the center of the beam.
6.
Finish this step by tightening the same bolts and nuts. Start with the top nut on the Elevation rod,
and then the Elevation Lock Down bolts.
Note: The high/steady tone may dip while tightening the base plate bolts. If the
tone does not return to the high/steady, then restart the Point and Peak process.
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Terms of use.
75cm ODU/SurfBeam 2 Point and Peak Job Aid
Release Date: October 2013
Push/Pull Test
Important: An installer always completes two tests before obtaining Modem Lock: a Push/Pull
test and a review of the RX SNR in the Signal Strength section of the Modem Browser Interface.
Passing these tests prevents delays in Modem Lock and Provisioning because they confirm that
the antenna has aligned correctly during Point and Peak.
Step
Action
1.
From behind the antenna, gently push and
pull each side of the antenna.
2.
Gently push and pull the top and the bottom of the antenna
3.
The test passes when the TRIA’s high/steady tone drips every time pressure is added to the
antenna. The tone returns to its high/steady state when the pressure is removed.
If the tone rises, the alignment is not correct the installer must repeat the Point and Peak process.
Remember to reset the modem's learning by sweeping the antenna away from the satellite,
holding the Inclinometer bracket over the feed horn, and then re-centering the Azimuth fine-adjust
bolt.
RX SNR in the Modem Browser Interface
During the Point and Peak process, the Modem Browser
Interface records the current and the peak RX SNR
levels in the Signal Strength section. These two levels
will match when an antenna is aligned correctly.
If these two levels do not match, repeat the Point and
Peak process. Remember to reset the modem's learning
by sweeping the antenna away from the satellite,
holding the Inclinometer bracket over the feed horn, and
then re-centering the Azimuth fine-adjust bolt.
Note: These levels rise and fall in real time, so
differences +/- 0.5dB are acceptable. Differences
greater than 0.5dB should be seen as a failed
Point and Peak.
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