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PS Engineering

PAC24 Series Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-240-0008 Page 3-1 Rev. 8, June 2003

Section III OPERATION

GENERAL INFORMATION

3.1 SCOPE

This section provides detailed operating instructions for the PS Engineering PAC24 High Performance

Audio Selector Panel/Intercom Systems. Please read it carefully before using the equipment so that you can

take full advantage of its capabilities.

This section is divided into three sections covering the basic operating areas of the PAC24 systems. They

are transceiver selection, audio selector, and intercom.

2 3 5

Figure 3-1 PAC24 front panel controls

3.2 PAC24 Controls

1) Receiver Source Selection

2) Transmitter Selection

3) Volume / Power Controls

4) Speaker Selector

5) Intercom Mode Selector

3.3 Power Switch (3) (EMG-Fail Safe Operation)

Unit power is turned on and off by pushing the center (pilot) volume knob. The power switch controls the

audio selector panel functions and intercom.

3.3.1 Single Panel Fail Safe Operation

In the

OFF or "EMG" position, the pilot is connected directly to Com 1. This allows communication capa-

bility regardless of unit condition. Any time power is removed or turned

OFF, the audio selector will be

placed in the fail-safe mode.

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PS Engineering PAC24 Specifiche Pagina 21