System Maintenance Manual

Page 7-40 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
If no other service is to be performed, continue to the return-to-service checks in Section 8.
7.13 Traffic (Non-Garmin) System Functional Check
1. Select the TRAFFIC MAP page on the MFD.
2. Verify that the STANDBY, OPERATE, TEST and ALT MODE soft keys are available on the
bottom of the MFD. Verify that an
operating mode; STANDBY, OPERATE, or TEST (not TAS
FAIL) is displayed in the upper left corner of the traffic map. Verify that NO DATA is not
displayed in yellow in the center of the display over the aircraft symbol.
NOTE
If the ALT MODE softkey is not displayed, the G1000 has not been properly configured for the
traffic system. Reference Section 3.9.4.4, “Traffic System Option” to enable the traffic system.
3. Press the OPERATE soft key and verify that OPERATING is displayed in the upper left corner of
the traffic map.
4. Press the STANDBY soft key and verify that STANDBY is displayed in the upper left corner of
the traffic map.
5. Press the TEST soft key and verify that TEST is displayed in the upper left corner of the traffic
map and a traffic test pattern is displayed. Upon completion of the test, verify that “TAS
SYSTEM TEST OK” is heard over the cockpit speaker.
NOTE
This annunciated traffic system test message may be different from the traffic system installed on
subject aircraft.
6. Open the TRFC circuit breaker on the avionics circuit breaker panel. On the MFD, verify that
NO DATA is displayed in yellow after several seconds.
7. Close the TRFC circuit breaker on the avionics circuit breaker panel and verify that NO DATA is
removed after several seconds.
If no other service is to be performed, continue to the return-to-service checks in Section 8.