Embraer EMB145 Operation Manual page 1611

CREW
AWARENESS
NOTE: 1) For Post-Mod. SB 145-22-0001 airplanes or S/N 145001
through 145003, 145041 and on, the voice message can be
cancelled (refer to Section 2-19 Autopilot for further
information).
2) Applicable to airplanes equipped with HSCU-1009 or -5009
and AWU-5.
3) For airplanes Post-Mod. SB 145-23-0028.
4) For airplanes equipped with AWU-5, the altitude alerter is
three 2900 Hz tones.
For airplanes Post-Mod. SB 145-31-0051 (equipped with
AWU-6)
incorporated, the tone is a single C CHORD.
EICAS MESSAGE
TYPE
CAUTION AURAL WARN FAIL
Page
2-04-15
6
AIRPLANE
OPERATIONS
MANUAL
or with an
MESSAGE
Code
01
equivalent modification
MEANING
Both AWU channels are
inoperative.
factory
REVISION 39