ComTech Modem
AvL Technologies
ǀ
Proprietary – Content is Subject to Change without Notice
11
5.
Issues and Troubleshooting
Issue
Description
Corrective Action
The ComTech modem is
not being for the Target
Acquisition
Device Window is empty or
displays data from another
device
Check that the ComTech is configured as
the Scan, Coarse, and Fine Source for the
current Target
Check software Version Info to make sure
that the correct ComTech Module is
installed.
The Modem is not
communicating with the
AAQ Controller
The Device Window is
empty or displays Not
Connected
Check that the antenna controller and
modem hardware is connected as
described in section 2.3
Check that the modem is powered up and
has finished its boot up sequence.
Check that the Serial connection is
configured properly.
Check the Serial cables and connections.
All Signal Sources Tried
With No Valid Signal
Detected
The modem does not
declare a lock when the
antenna is scanning for the
Target.
Check that the ComTech modem is
communication with the AAQ.
Check that the frequency configured in the
modem is the correct frequency for the
target satellite
Check all RF cables and connections.
Check scan speeds in the Signal tab of the
Configuration Window
Check that the Compass Heading, GPS
Location, and World Elevation are correct.
Invalid Signal for
Peaking
The modem does not
declare a lock at the Fine
Peaking phase of the
acquisition.
Check that the frequency configured in the
modem is the correct frequency for the
target satellite
Check all RF cables and connections.
Check scan speeds and peaking
parameters in the Signal tab of the
Configuration Window
