TBM
PILOT’S OPERATING HANDBOOK
700
SECTION 7
DESCRIPTION
Page 7.3.4
Edition 1 -- November 30, 2010
Rev. 0
The VMO alarm buzzer is electrically supplied by ”ESS BUS 2” bar and
protected by ”AURAL WARN” circuit breaker and the emergency lighting
rheostat is electrically supplied by ”BATT BUS” bar and protected by ”PANEL
EMER” circuit breaker.
Aural warning operation
The GMA # 1 and # 2 audio control panels receive signals from the aural
warning box. According to the airplane configuration, these signals are
low--pitched and / or high--pitched.
The ”HORN TEST” knob allows to test the correct operation of aural
warnings :
-- Set the ”SOURCE” selector to BAT or to GPU.
-- Set the “AVIONICS” MASTER switch to ON.
-- Push and hold the ”HORN TEST” knob :
. the VMO buzzer emits ”bips”,
. the loud--speakers emit alternate low--pitched and high--pitched
sounds.
--
Release the knob to stop the alarms.