Lynx
®
NGT-9000
Pilot’s Guide5-4
Troubleshooting
INVALIDITIES
Refer to Table 5-2 (panel mount) or Table 5-3 (remote mount) for
answers to invalidities and other conditions noted on the Lynx NGT-
9000 system. An invalidity may not stop operation of the unit, but may
degrade performance. Invalidities may self correct depending on the
issue. Other conditions may indicate that the unit is working correctly.
Some symptoms such as a compatible display or indicator lamp are
available only if installed on the aircraft.
Table 5-2: Troubleshooting for the Panel Mount Lynx NGT-9000
SyMPtoM cauSe/corrective actionS
The unit has manual bright-
ness adjustment only.
Loss of light sensor data.
Try clearing the failure by
tapping the Restart button.
If the problem continues,
replacement of the Lynx NGT-
9000 may be required. Contact
L-3 Field Service before
removal.
1.
2.
Blank display.
If installed, ADS-B Fail lamp
is OFF.
Loss of power or damaged unit.
Check breakers and main
avionics switch.
Verify Battery (BAT) Master
switch is on.
Replacement of unit may be
required. Contact L-3 Field
Service before removal.
1.
2.
3.
When touching the screen
the command function
seems to be slightly off from
the center of the screen
symbol or area.
The screen calibration is out of
tolerance.
A Screen Calibration may
need to be performed. See
Maintenance Mode.
If problem continues contact L-3
Field Service before removal.
1.
2.
3.
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