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System overview

EST3 Installation and Service Manual 1.37

The All Call command directs the page signal to all areas of the

building, as illustrated in the last column of Figure 1-17.

Any combination of floors and stairwells could be selected to

receive the page by manually selecting the audio zones on the

audio zone select control/display module. Notice that at no time

does any area receiving a signal have its signal interrupted by

any page command function.

Evacuation (EVAC) channel

The EVAC channel always carries a signal designed to notify the

occupants they must leave the facility. The evacuation signal

may take the form of a textual message, a variety of audio tones,

or an audio tone modulated by the standard 3-3-3 evacuation

pattern, or any combination of these signals.

The EVAC channel is preprogrammed, and activated by the

system in response to an alarm. The EVAC signal is

automatically sent to the areas that are in danger and require

immediate evacuation.

The EVAC channel has priority over all channels signals except

for the Page channel. The alarm silence function automatically

silences the EVAC channel when an operator presses the Alarm

Silence switch.

Alert channel

The Alert channel always carries a signal designed to notify the

occupants that an emergency situation exists in the facility.

Occupants hearing the alert signal are not in immediate danger,

but should prepare to evacuate. In some installations, the alert

signal advises occupants that persons evacuating the danger area

will be entering the area for safety.

The Alert channel is preprogrammed, and activated by the

system in response to an alarm. The Alert signal is automatically

sent to areas that are not in immediate danger and do not require

immediate evacuation.

The Alert channel has priority over all other channels except the

Page and EVAC channels. The alarm silence function

automatically silences the Alert channel when an operator

presses the Alarm Silence switch.

General channel

The General channel is used to distribute special purpose signals

to special areas in the facility. Typically these areas include

elevator cabs, stairwells, and areas in less peril than those areas

receiving the Alert signal.

The general channel signals can be preprogrammed in response

to an alarm, or they may be manually activated.

Brand	GE Security
Model	EST3
Category	Security Sensors
Language	English

GE Security EST3 User Manual

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GE Security EST3 Specifications