N. AUDIO WARNING SYSTEM OPERATIONAL
All or part of this check may be required.
The actual check may be broken into sever-
al parts and completed when convenient.
However, the applicable portions of the
check will be completed prior to flight.
1. Engine out audio warning Check as follows:
Before starting APU Pilot/CPG.
a. BATT/EXT PWR switch BATT or EXT
PWR as required.
b. Engine out audio Verify present in both
headsets, then reset.
2. Stabilator fail audio warning Check as follows:
After starting APU Pilot/CPG.
a. STAB AUTO AC circuit breaker Pull.
Verify stabilator fail audio is present in both
headsets. Reset using pilots stabilator
b. STAB AUTO AC circuit breaker Reset.
Then pull. Verify same as step a. Reset
using CPGs stabilator RESET button.
3. HIGH RPM ROTOR warning light Check as
After starting engines Pilot/CPG.
Delaying decrease of PWR lever may re-
sult in an engine/rotor overspeed.