21
22
20
19
18 17 16 15 14
13
12 11
1
2
3
4 5
6
7
8
9 10
Master Station Controls
1
END CALL: Ends intercom communication and returns system
to audio source.
2 DOOR TALK: Initiates intercom communication to the door
speakers.
3
INSIDE/PATIO: Initiates intercom communication to remote
stations.
4 TIMER: Enables or disables the radio timer. The indicator
light will illuminate next to the timer button when the Radio
timer is enabled.
5 PROGRAM 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.
6 PROGRAM OFF: Turns off the selected program audio source.
NOTE: The Program Off key does not affect the intercom
operation.
7 MASTER VOLUME: Adjusts the volume at the master
station.
8 MEMORY 1-6 KEYS: Provides direct access to stored radio
frequencies.
9 ▲ ▼ UP/DOWN TUNING: Provides manual tuning of the
AM/FM radio.
10 SCAN: Activates scan tuning during AM/FM operation.
11 DOOR RELEASE KNOCKOUT: Mounting hole for optional
door release push button.
12 MICROPROCESSOR RESET: Initiates a reset of the micro-
processor. NOTE: A reset of the microprocessor will erase the
system’s memory.
13 MEMORY SET: Stores desired radio frequency into a selected
memory location.
14 TIME SET/HOUR/MIN: Used when setting the timer and
clock.
15 TREBLE: Adjusts the high frequency audio content of the
source audio.
16 BASS: Adjusts the low frequency audio content of the source
audio.
17 SYSTEM VOLUME: Adjusts the program audio level
throughout the system.
18 LOUDNESS: Compensates for the loss of bass and treble
response the human ear has when listening to audio at low
volume levels.
19 INTERCOM VOLUME: Adjusts intercom audio level
throughout the system.
20 MASTER STATION STATUS SWITCH: Sets the master station
in one of the following modes: RADIO INTERCOM,
INTERCOM ONLY, OFF or MONITOR.
21 REMOTE STATION STATUS SWITCHES: Sets the remote
stations in one of the following modes: RADIO INTERCOM,
INTERCOM ONLY, OFF or MONITOR.
22 ELECTRONIC CHIME TUNE SELECTION: Selects the tune
of the optional IA-29 Electronic chime.
FIGURE 20
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