User's Manual Part 1

Table Of Contents
3EM21522AAAA Turn-Up an
d
Testing
Issue 1, March 2008 DTR-0200-SA-SIRIUS
4-7
4.4.5
VSAT Receiver Test
1
View the Global Status screen.
2
Confirm that the receive antenna is correctly pointed at the satellite (deter-
mined by VSAT Receiver Signal Strength reading on GUI screen).
3
Ensure that the receive antennas are correctly pointed at the satellite
(determined by signal strength reading on GUI screen).
4
If necessary, reconfigure the repeater VSAT receiver to match the satellite
signal.
Default settings are in place for the repeater for DVBS Standard (DVBS1),
Polarization (Horizontal), Band (Low) and Symbol Rate (8417361). In the
factory VSAT Frequency is set to 1222.000 MHz. All of the settings are based
on the SIRIUS satellite broadcast signal and are made in the factory. The
only settings that could need to be changed in the field based on a change in
the SIRIUS satellite broadcast signal would be Frequency and Symbol Rate.
5
Verify that the TDM lock is present, and that the VSAT SNR is better than
10 dB.
4.4.6
GPS Receiver Test
Verify from the GUI Global Status screen that 1 PPS and 10 MHz signals are present.
4.4.7
Output Power Test
1
Access the Repeater Operating Mode screen (see Figure 4 - 5).
2
Set the Repeater Operating Mode to Broadcast.
3
Access the Modulator Mode screen (Figure 4 - 8).
4
Set the Modulator Operating Mode to CW.