PS Engineering PAC24 Installation Manual User Manual
Page 14
PS Engineering
PAC24 Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-240-0010
Page 2-7
Rev. 24, Dec. 2013
Table 2-2 Single Audio Panel DIP switch settings
Dual PAC24 - Pilot Panel- 28 Volt Aircraft Dual PAC24- Copilot Panel- 28 Volt Air-
craft
SW2
SW3
SW4
SW5
SW2
SW3
SW4
SW5
1
ON
ON
OFF
OFF
1
ON
ON
OFF
OFF
2
OFF
OFF
ON
ON
2
OFF
OFF
ON
ON
3
ON
ON
ON
OFF
3
ON
ON
ON
ON
4
OFF
OFF
OFF
See
notes
4
OFF
OFF
OFF
See
notes
J4- On/ J5- Pins 1 & 2
J4- Off J5- Pins 2 & 3
Table 2-3 Dual Audio Panel DIP Switch Settings without expansion
Dual PAC24 with Expansion- Pilot Panel- 28 Volt
Aircraft
Dual PAC24 with Expansion- Copilot Panel- 28
Volt Aircraft
SW2
SW3
SW4
SW5
SW2
SW3
SW4
SW5
1
ON
ON
OFF
ON
1
ON
ON
OFF
ON
2
OFF
OFF
ON
ON
2
OFF
OFF
ON
ON
3
OFF
OFF
ON
OFF
3
OFF
OFF
ON
ON
4
ON
ON
OFF
See
notes
4
ON
ON
OFF
See
notes
J4- On/ J5- Pins 1 & 2
J4- Off/ J5- Pins 2 & 3
Table 2-4 Dual Audio Panel DIP Switch Settings with expansion
Dual PAC24 Observer- Cockpit
Panel- 28 Volt Aircraft
Dual PAC24 Observer- Observer
Panel- 28 Volt Aircraft
SW2
SW3
SW4
SW5
SW2
SW3
SW4
SW5
1
ON
OFF
OFF
OFF
1
ON
OFF
OFF
OFF
2
OFF
ON
ON
ON
2
OFF
ON
ON
ON
3
ON
OFF
ON
OFF
3
ON
OFF
ON
ON
4
OFF
ON
OFF
See
notes
4
OFF
ON
OFF
See
notes
J4 - On/ J5- Pins 1 & 2
J4 - Off/ J5- Pins 2 & 3
Table 2-5 Dual Audio Panel with Observer Function, DIP switch settings
Dual PAC24 Observer w Expansion-
Cockpit Panel- 28 Volt Aircraft
Dual PAC24 Observer w Expansion- Ob-
server Panel- 28 Volt Aircraft
SW2
SW3
SW4
SW5
SW2
SW3
SW4
SW5
1
ON
OFF
OFF
ON
1
ON
OFF
OFF
ON
2
OFF
ON
ON
ON
2
OFF
ON
ON
ON
3
OFF
OFF
ON
OFF
3
OFF
OFF
ON
ON
4
ON
ON
OFF
See
notes
4
ON
ON
OFF
See
notes
J4- On/ J5- Pins 1 & 2
J4- Off/ J5- Pins 2 & 3
Table 2-6 Dual Audio Panel with observer and with Expansion
General Notes
If telephone is connected, turn SW5-4 to ON for all panels. Otherwise set it to OFF
For 14V aircraft, change SW4 1-4 to ON, OFF, OFF, ON
For CVR output, change SW2 1-2 to ON, OFF. NOTE: IRS cannot be used