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G1000/GFC 700 Post Installation Checkout Procedure - Hawker / Beechcraft King Air C90
Revision 5
190-00682-00
58. Open CB Panel No. 1 (Triple Fed Bus 1), PFD1 SEC, AHRS1 SEC, ADC1 SEC, GIA1 SEC. Verify
the following are not powered:
Note: The triple fed circuit breaker panel is located beneath cockpit floor on the copilot side.
•
PFD1
•
AHRS1
•
ADC1
•
GIA1
•
GEA1
•
GMU1
•
GMC 710 AFCS Controller
59. Close CB Panel No. 1 (Triple Fed Bus 1).
60. On GMA1, select DISPLAY BACKUP button ( button depressed).
61. Open CB Panel No. 2 (Triple Fed Bus 2) CB. Verify the following are not powered:
•
MFD
•
GEA2
62. Close CB Panel No. 2 (Triple Fed Bus 2) CB.
63. On GMA1, de-select DISPLAY BACKUP button ( button extended).
64. Open CB Panel No. 3 (Triple Fed Bus 3) CB. Verify STBY Battery power is OFF. Verify the following
are not powered:
•
PFD2
•
MFD Fan
•
AHRS2
•
GIA2
•
ADC2
•
GCU 475 FMS controller
•
GMU2
•
Standby Attitude Indicator
65. Close CB Panel No. 3 (Triple Fed Bus 3) CB.
66. Remove aircraft power by selecting Avionics Master, EXT PWR and BAT switch to OFF.
67. Select STANDBY BATTERY switch ON (depressed).
68. Verify the following are powered:
•
STBY ATT indicator motor
•
STBY ALT vibrator
•
STBY ATT, STBY Airspeed, and STBY ALT lighting
69. Select STANDBY BATTERY switch OFF (extended).
