System Operating Controls

Master Station Controls

1END CALL: Ends intercom communication and returns system to audio source.

2DOOR TALK: Initiates intercom communication to the door speakers.

3INSIDE/PATIO: Initiates intercom communication to remote stations.

4TIMER: Enables or disables the radio timer. The indicator light will illuminate next to the timer button when the Radio timer is enabled.

5PROGRAM AUDIO SOURCE: Selects the program audio

source: AM, FM, CD/TAPE and AUX. The indicator light will illuminate next to the selected program audio source.

6PROGRAM OFF: Turns off the selected program audio source.

NOTE: The Program Off key does not affect the intercom operation.

7MASTER VOLUME: Adjusts the volume at the master station.

8MEMORY 1-6 KEYS: Provides direct access to stored radio frequencies.

9▲ ▼ UP/DOWN TUNING: Provides manual tuning of the AM/FM radio.

10SCAN: Activates scan tuning during AM/FM operation.

11DOOR RELEASE KNOCKOUT: Mounting hole for optional door release push button.

12MICROPROCESSOR RESET: Initiates a reset of the micro-

processor. NOTE: A reset of the microprocessor will erase the system’s memory.

13MEMORY SET: Stores desired radio frequency into a selected memory location.

14TIME SET/HOUR/MIN: Used when setting the timer and clock.

15TREBLE: Adjusts the high frequency audio content of the source audio.

16BASS: Adjusts the low frequency audio content of the source audio.

17SYSTEM VOLUME: Adjusts the program audio level throughout the system.

18LOUDNESS: Compensates for the loss of bass and treble response the human ear has when listening to audio at low volume levels.

19INTERCOM VOLUME: Adjusts intercom audio level throughout the system.

20MASTER STATION STATUS SWITCH: Sets the master station

in one of the following modes: RADIO INTERCOM, INTERCOM ONLY, OFF or MONITOR.

21REMOTE STATION STATUS SWITCHES: Sets the remote

stations in one of the following modes: RADIO INTERCOM, INTERCOM ONLY, OFF or MONITOR.

22ELECTRONIC CHIME TUNE SELECTION: Selects the tune of the optional IA-29 Electronic chime.

FIGURE 20