mission control panel is illuminated if external power is being used.
*24. Annunciator panels - Test as follows:
Check illumination of the MASTER CAUTION, MASTER WARNING, #1 FUEL PRESS, #2 FUEL
PRESS, L BL AIR FAIL, R BL AIR FAIL, INST AC warning lights, #1 DC GEN, #2 DC GEN, #1
INVERTER, #2 INVERTER, #1 NO FUEL XFR, #2 NO FUEL XFR, and CABIN DOOR (if open),
caution/ advisory lights.
Annunciator test switch - Press and hold. Check that all lights in both annunciator panels, FIRE PULL
handle lights, marker beacon lights, MASTER CAUTION, and MASTER WARNING lights are
illuminated. Release switch and check that all lights except those in step (a) are extinguished.
Master caution and master warning lights - Press and release. Both lights should extinguish.
*25. Stall and gear warning system - Check as follows:
Stall and landing gear warning test switch - Lift to STALL WARN TEST position. Check for warning
horn tone and vi-