Garmin G1000 Nxi System Maintenance Manual page 280

Landing Gear Aural Alert Check
This check should be conducted in conjunction with the Phase 2 and Phase 4 Landing Gear
Retraction, Warning Horn check, in the existing King Air Maintenance Program.
This procedure is applicable only to aircraft equipped with 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.
This check can be accomplished in conjunction with the Weight on Wheels and
Low Speed Awareness Band Test in Section 8.11.
1. Conduct the Landing Gear Retraction, Warning Horn check as stated in the King Air 300
Series Maintenance Manual, listed in Table 1-1.
2. Verify that the aural tone is played through the G1000 audio system and through both
cockpit speakers.
SiriusXM Audio Suppression Check
This procedure is applicable only to aircraft that have Sirius XM radio subscriptions.
The following steps require movement of the landing gear.
aircraft is safe for the operation of the landing gear before proceeding
1. Jack aircraft to allow operation of landing gear (reference King Air 300 Series
Maintenance Manual Chapter 7-00-00).
2. Ensure both left and right throttles are at IDLE position.
3. While monitoring pilot and copilot Sirius XM audio, retract landing gear to the full up and
locked position and verify the following:
•
landing gear warning horn is active
•
XM audio is muted in the pilot and co-pilot stations
4. Increase both left and right throttles forward of IDLE position (towards takeoff position)
and verify the following:
•
landing gear warning horn is not active
•
XM audio can be heard (For aircraft not equipped with a tone generator, deselect
mute softkey or adjust Sirius XM volume to restore Sirius XM audio)
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
NOTE
WARNING
Ensure
.
Page 267
Revision 1