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Detailed Operation
Radar
Radar Setup Page
and ±5° in vertical scanning. The Sector Scan can be moved horizontally by changing the Bearing and vertically
by changing the Tilt.
Radar Return Signals
Interpreting radar return signals is beyond the scope of this manual. Please refer to the radar user’s guide for
details on interpreting radar data.
Radar Setup Page
Pressing the MENU key while in the Radar Function will display the Setup page. The currently selected mode
is displayed at the top of the radar screen during normal operations.
Stabilization (STAB)
Pressing the MENU and then the STAB keys while in the Setup Function allows the stabilization to be turned
on or off. When Stabilization is On, a command is sent to the radar head instructing it to use the supplied gyro
commands to compensate the sweep patterns for pitch and roll of the aircraft. When stabilization is activated,
the STAB label will be green. When Stabilization is turned off, the STAB label is white. Additional status infor-
mation is also shown while the radar menu is active.
Radar Troubleshooting
Fault Message Description Action
ELE Electrical fault with the radar hard-
ware or the aircraft power bus.
Power off the radar. The radar needs
service.
400 Hz A previously available analog 400
Hz reference signal is no longer de-
tected. Analog altitude information
will not be available.
An external sensor has failed and
needs service.
GYRO No valid source of attitude informa-
tion. Antenna stabilization will not
be available.
An external sensor has failed and
needs service.