TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
AVIONICS FLIGHT CHECKS (CONT)
e
RCT pushbutton switch - Depress four
time within four seconds. Observe
that VAR is not displayed. This puts
the unit in roll compensation mode.
f
RCT pushbutton switch - Depress
once more. Verify that VAR is not
displayed. If it is, repeat this step.
g
Manual GAIN control - Adjust until
ground clutter display is symmetrical.
NOTE
Do not touch manual GAIN control once display is
adjusted properly.
h
RCT pushbutton switch - Depress four
times within four seconds to exit the
roll compensation mode. When VAR
is
displayed
again,
the
roll
compensation mode has been exited.
Set variable or preset GAIN as
desired.
(12)
Ground mapping operating procedure:
MODE switch - GMAP.
(13)
Standby procedure: function switch -
STBY.
(14)
Shutdown procedure: Function switch -
OFF.
*14.
Lightning sensor system (LSS) - Check as follows:
4-26
