PS Engineering
PAC24 Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-240-0010
Page ii
Rev. 29, Sept. 2021
2.9
P
OST
I
NSTALLATION
C
HECKOUT
.................................................................................... 2-16
2.10
U
NIT
I
NSTALLATION
...................................................................................................... 2-16
2.10.1
O
PERATIONAL
C
HECKOUT
............................................................................................ 2-16
2.11
F
INAL
I
NSPECTION
......................................................................................................... 2-17
SECTION III OPERATION ................................................................................................ 3-1
3.1
SCOPE ................................................................................................................................ 3-1
3.2
PAC24
C
ONTROLS
............................................................................................................ 3-1
3.3
P
OWER
S
WITCH
(3)
(EMG-F
AIL
S
AFE
O
PERATION
) ....................................................... 3-1
3.3.1
S
INGLE
P
ANEL
F
AIL
S
AFE
O
PERATION
............................................................................. 3-1
3.3.2
D
UAL
P
ANEL
F
AIL
S
AFE
O
PERATION
............................................................................... 3-1
3.4
C
OMMUNICATIONS
S
ELECTION
(2) ................................................................................... 3-2
3.4.1
T
ELEPHONE
O
PERATION
(S5
S
WITCH
4
SELECTED
ON) ................................................... 3-2
3.4.2
S
TUCK
M
ICROPHONE
P
ROTECTION
.................................................................................. 3-2
3.4.3
S
WAP
M
ODE
(R
EMOTE TRANSFER OF COM TRANSCEIVERS
) ............................................ 3-2
3.4.4
O
BSERVER TRANSMIT SELECTION
(
PART NUMBER
–0400
SERIES
). .................................. 3-3
3.5
R
ECEIVE
A
UDIO
S
ELECTOR
(1) ......................................................................................... 3-3
3.5.1
S
PEAKER
A
MPLIFIER
(4) ................................................................................................... 3-3
3.5.2
K
EY
“C
LICK
” .................................................................................................................... 3-3
3.6
S
PLIT
M
ODE
....................................................................................................................... 3-3
3.6.1
S
PLIT
M
ODE
,
S
INGLE PANEL
............................................................................................. 3-3
3.6.2
S
PLIT
M
ODE
,
D
UAL
P
ANEL
............................................................................................... 3-4
3.6.3
S
PLIT
M
ODE
,
O
BSERVER
P
ANEL
(-04XX) ........................................................................ 3-4
3.7
I
NTERCOM
O
PERATION
..................................................................................................... 3-4
3.7.1
I
NTELLI
V
OX
®
VOX-S
QUELCH
.......................................................................................... 3-4
3.7.2
V
OLUME
C
ONTROL
(3) ..................................................................................................... 3-5
3.7.3
I
NTERCOM
M
ODES
(5) ...................................................................................................... 3-5
3.7.4
E
NTERTAINMENT
I
NPUT
................................................................................................... 3-6
3.8
T
ELEPHONE
M
ODE
............................................................................................................. 3-6
SECTION IV- WARRANTY AND SERVICE................................................................... 4-1
4.1
W
ARRANTY
......................................................................................................................... 4-1
4.2
F
ACTORY
S
ERVICE
............................................................................................................. 4-1
APPENDIX A – INSTALLATION DRAWING ................................................................... A
APPENDIX B SINGLE UNIT INTERCONNECT WIRING (DOES NOT APPLY TO
050-240-0400, DUAL OBSERVER) ............................................................................................. A
APPENDIX C DUAL INTERCONNECT RADIO WIRING (ALL VERSIONS) ............. B
7.1
D
UAL
PAC24
C
REW
A
UDIO
W
IRING
,
S
TANDARD
(-0100,
-0500,
-0503)
U
NITS
................ C
7.2
D
UAL
PAC24
INTERCOM AUDIO WIRING WITH
O
BSERVER
C
ONFIGURATION
U
NITS
(050-
240-0400
ONLY) ............................................................................................................................ D
7.3
D
UAL
PAC24
INTERCOM AUDIO WIRING WITH
O
BSERVER
C
ONFIGURATION
(050-240-
0400
ONLY
)
AND EXPANSION UNITS
............................................................................................... E
APPENDIX D- INSTRUCTIONS FOR FAA FORM 337 AND CONTINUING
AIRWORTHINESS ...................................................................................................................... A
8.1
I
NSTRUCTIONS FOR
FAA
F
ORM
337,
A
UDIO
P
ANELS
......................................................... A
8.2
I
NSTRUCTIONS FOR
C
ONTINUING
A
IRWORTHINESS
,
A
UDIO
P
ANELS
............................... A
APPENDIX E – RTCA DO160D (EUROCAE ED-14) ENVIRONMENTAL
QUALIFICATION FORM ........................................................................................................... A