Garmin G1000 Nxi System Maintenance Manual page 396

Step
Activate aircraft power by selecting the "on" position
of the BATTERY switch.
Deselect the STANDBY BATTERY switch
Remove aircraft power by selecting the battery
switch to "OFF" position.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Desired Result
Verify the following:
•
"ON" annunciation should extinguish on the STANDBY
BATTERY switch.
•
"ARM" should be fully illuminated (green) on the
STANDBY BATTERY switch.
•
White STANDBY BATTERY legend on the standby
battery switch remains illuminated.
•
For airplanes with MD 302 standby instrument installed.
The MD 302 remains activated and displays
o
an attitude indication of the top display and
airspeed and altitude tapes on the bottom
display.
The MD 302 brightness may be fully adjusted
o
by rotating the knob on the overhead panel.
•
For airplanes with analog standby instruments installed.
The STBY attitude, STBY altimeter and STBY
o
airspeed instrument lighting reverts to the
aircraft settings.
The STBY attitude OFF flag not present and
o
STBY altimeter vibrator remains active.
Verify the following:
•
"ARM" annunciation extinguishes on the STANDBY
BATTERY switch.
•
White STANDBY BATTERY legend on the standby
battery switch remains illuminated.
•
For airplanes with MD 302 standby instrument installed.
The MD 302 remains activated and displays
o
an attitude indication of the top display and
airspeed and altitude tapes on the bottom
display.
The MD 302 brightness may be adjusted by
o
rotating the knob on the overhead panel.
•
For airplanes with analog standby instruments installed.
STBY attitude OFF flag not present and
o
STBY altimeter vibrator remains active.
Verify the following:
•
White STANDBY BATTERY legend on the standby
battery switch extinguishes.
•
The magnetic compass is no longer illuminated.
•
For airplanes with MD 302 standby instrument installed.
Both displays on the MD 302 are blank.
o
•
For airplanes with analog standby instruments installed.
The STBY Attitude OFF flag is in view is
o
deactivated (the sound of the motor may be
present as the gyro spools down).
The STBY altimeter vibrator is deactivated.
o
The STBY attitude, STBY altimeter, STBY
o
airspeed are no longer illuminated.
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