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An intercom call to an individual zone is an intercommunication call between two zones in half-duplex setup with hands-free response. A Control

Unit is identified by its zone identification number (see 4.1.6.A or 4.1.8.A) and a name (see 4.1.5.B or 4.1.7.M).

On the numeric keypad, key in the zone number you

wish to call (to delete digits of an entry, press the 0

key for ½”). For example, to call zone 19 key in that

number.

When the key is released the Control Unit goes

into hands-free auto response mode and a response

to the intercom call is received. The person who

had initiated the conversation can then hear the

response from the other party. This mode remains

active as long as the person is talking (auto-

response sensitivity and silence time settings can be

programmed).

The zone receiving the intercom call opens its microphone and a specific beep signal is sent through

the loudspeakers to signal that the microphone is capturing the sound from that zone (this avoids

unauthorized hearing of intercom calls). The auto response will be activated as long as the voice

detector does not detect a silent period longer than the time programmed. In any case, the maximum

duration is 1’.

Select the zone that will receive the call

Receiving the response

Hands-free auto-response

4.1.3.A. Calls To An Individual Zone

In units 422A1/A2, hands-free auto-response

settings can be programmed by using the Programming

Menu (see 4.1.4.L). In units 428A1+42991 they are

programmed using the Programming Menu (see 4.1.7.H)

and the Installation Menu (see 4.1.8.K and 4.1.8.L)

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transmitting the intercom call

remaining silence time

(only 422A1/A2)

voice detector

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beep!!

wxyz

The intercom call will be

transmitted while the key is held

down (the maximum duration is

1').

The Control Unit receiving the

message displays the name of the

zone transmitting the intercom

call.

To talk, press the key and hold it down throughout the

transmission. By default, pressing the key directly and

no zone number will place a call to the last intercom zone. If

the operation could not be initiated for any reason, a

message will appear on the display. If the communication

takes place, the name of the zone called will be displayed.

Transmit the intercom call

information on the zone

receiving the intercom call

information on the zone

transmitting the intercom call

transmitting

intercom call

422A1/A2

42991

428A1

4.1.3. Operating intercom calls functions

CC-1023ENG-10

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