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G1000/GFC 700 Post Installation Checkout Procedure - Hawker / Beechcraft King Air C90
Revision 5
190-00682-00
3.14.2
XM Audio Muting Check – (Aircraft Not Equipped with a Tone Generator)
NOTE
This procedure is only applicable to aircraft serial numbers that do not employ a tone generator as part of
the aircraft audio system. Refer to the appropriate aircraft wiring diagrams to determine if a tone
generator is installed.
GDL69 discrete inputs from stall warning and landing gear control systems as detailed in 005-W0022-00
“Wiring Diagram, G1000 / GFC 700 King Air C90A/GT” are required for aircraft not equipped with a tone
generator. This procedure is applicable to SN LJ-1268.
THE FOLLOWING PROCEDURES REQUIRES OPERATION OF THE AIRCRAFT LANDING GEAR.
OBSERVE ALL APPLICABLE SAFETY PRECAUTIONS. BEFORE WORKING IN ANY LANDING
GEAR WHEEL WELL, ENSURE THAT ALL LANDING GEAR AND GEAR DOOR SAFETY DEVICES
ARE INSTALLED. EXERCISE EXTREME CAUTION WHILE WORKING AROUND LANDING GEAR OR
IN LANDING GEAR WHEEL WELLS.
Gear warning discrete
1. Reference Hawker Beechcraft aircraft maintenance manual (90-590012-13) and jack aircraft to allow
operation of landing gear.
2. Select
the
AUX – XM RADIO
page on the MFD.
3. Plug a set of headphones into the pilot and co-pilot stations and verify that you can hear the XM radio
playing in both channels. Adjust volume to a comfortable level.
4. Ensure both left and right throttles are at
IDLE
position.
5. Retract landing gear to the full up and locked position.
6. Verify the landing gear warning horn is active.
7. Verify XM audio is muted in the pilot and co-pilot stations.
8. Increase both left and right throttles forward of
IDLE
position (towards takeoff position).
9. Verify landing gear warning horn is silenced and XM audio remains muted.
10. On the MFD deselect mute softkey or adjust XM volume. Verify XM audio returns.
11. Extend landing gear to the full down and locked position and return both throttles to idle position.
12. Aircraft may be removed from jacks to accommodate other activities if as required.
WARNING
