
PS Engineering
PAC45J Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-045-2000
Page 2-9
November 2020
TOP ROW
BOTTOM ROW
SWITCH
FUNCTION
POSITION*
SWITCH
FUNCTION
POSITION*
1
FAILSAFE ALERTS TO
CREW
ON
25
COPILOT CONTROL
HEAD INSTALLED
ON
2
FAILSAFE ALERTS TO
OBSERVERS
ON
26
OBSVR 1 CONTROL
HEAD INSTALLED
ON
3
ALERTS TO CREW
ON
27
OBSVR 2 CONTROL
HEAD INSTALLED
ON
4
ALERTS TO
OBSERVERS
ON
28
REVERSIONARY MODE
ON
5
ALERT 1 TRIGGER
EDGE ON, LEVEL
OFF
29
TRANSMIT MUTE
OFF
6
ALERT 1 POLARITY
POS ON, NEG
OFF
30
STUCK MIC ENABLE
ON
7
ALERT 2 TRIGGER
EDGE ON, LEVEL
OFF
31
HIGH MIC SENS
OFF
8
ALERT 2 POLARITY
POS ON, NEG
OFF
32
PAX 1 & 2 = 0
2
MICS
OFF
9
ALERT 3 TRIGGER
EDGE ON, LEVEL
OFF
33
PAX 3 & 4 = OBSVR 0
2
MICS
OFF
10
ALERT 3 POLARITY
POS ON, NEG
OFF
34
COM 7 COM 8 Au-
dio/COM 1 COM 2
SIDETONE
OFF
11
ALERT 4 TRIGGER
EDGE ON, LEVEL
OFF
35
PA SIDETONE
OFF
12
ALERT 4 POLARITY
POS ON, NEG
OFF
36
UNSW 1 & 2 SPLIT
OFF
13
ALERT 5 TRIGGER
EDGE ON, LEVEL
OFF
37
UNSW OBSVR
ON
14
ALERT 5 POLARITY
POS ON, NEG
OFF
38
STEREO OBSVR
ON
15
ALERT 6 TRIGGER
EDGE ON, LEVEL
OFF
39
STEREO CREW
ON
16
ALERT 6 POLARITY
POS ON, NEG
OFF
40
8 OHM HEADSETS
OFF
17
ALERT 7 TRIGGER
EDGE ON, LEVEL
OFF
41
RECEIVER INDICATOR
ON
ON
18
ALERT 7 POLARITY
POS ON, NEG
OFF
42
MUSIC MUTE
ON
19
ALERT 8 TRIGGER
EDGE ON, LEVEL
OFF
43
COPILOT MUSIC ENABLE
ON
20
ALERT 8 POLARITY
POS ON, NEG
OFF
44
OBSERVER 1 MUSIC
ENABLE
ON
21
ALERT 9 TRIGGER
EDGE ON, LEVEL
OFF
45
OBSERVER 2 MUSIC
ENABLE
ON
22
ALERT 9 POLARITY
POS ON, NEG
OFF
46
ALERTS ON SPEAKER
ON
23
RESERVED
OFF
47
DIMMER 28V
ON
24
RESERVED
OFF
48
DIMMER 28V
ON