TLE Tracking Module Operations
Guide
AvL Technologies
| Proprietary – Content is Subject to Change without Notice
25
System does not have a valid
heading.
TLE Module Message
sensor
output shows “
Cannot track
without a compass value!
” and the
system does not perform tracking
Perform an Acquire command to read the
Compass
or
Vector Compass
.
Check
Primary Heading Source
configuration.
Check that the compass device is connected
and operational.
In case of critical failure of the
NAV RIOM
Compass
or
Vector Compass
, configure the
system to use a manually input heading as
shown in section 3.1 of this document
System does not have valid
Latitude or Longitude
TLE Module Message
sensor
output shows “
Waiting for GPS
signal
” and the
Latitude
or
Longitude
sensor outputs show 0.
The system does not perform
tracking
Check
GPS Source
configuration.
Check that the GPS device is connected and
operational.
In case of critical failure of the
NAV RIOM
GPS
or
Vector Compass
, configure the
system to use a manually input Latitude and
Longitude as shown in section 3.1 of this
document
Performing a Scan or moving
to the Target position will
exceed the system’s
configured azimuth or
elevation limits
TLE Module Message
sensor
output shows “
AzCW limit, target
not visible
”, “
AzCCW limit, target
not visible
”, “
ElUp limit, target not
visible
”, “
ElDWN limit, target not
visible
”, “
Cannot spiral, will hit
limits!
”, “
Cannot raster scan, will
hit limits!
”, or “
Cannot StepTrack,
will hit limits!
”
Check the azimuth and elevation limit core
configuration items.
Check that the Target should be visible from
the current location.
Check that the TLE Data is correct.
Check that the system’s latitude, longitude,
and heading are correct.