HOW TO OPERATE THE MICROPHONE DURING AUTOMATIC ALARM CONDITIONS
(SEE FIGURE 22)
You can silence ALARM/EVAC signals by pressing the <ALARM SILENCE> key on the operator interface panel.
This action stops the Voice Tone Generator (VTG). To use the microphone, you must manually select desired
soeaker circuits with the individual Speaker Select Switches, the ALL SPEAKERS TALK switch, or the optional ALL
SPEAKERS MINUS switch.
During automatic alarm conditions, operate the microphone
1. Press the <ALARM SILENCE> key to turn OFF the
NOTE:
To talk to all areas
in alarm, go
to Step 3.
2. To talk to ALL areas:
Turn ON (UP) the ALL SPEAKERS TALK
Switch (Item A) and go to Step 3.
To talk to ALARM/SPECIFIC areas:
Turn desired bottom Speaker Select Switch
either UP to activate or DOWN to de-activate
(Item B).
3. Remove the Microphone from the cradle; press
the Talk switch (Item C). Wait for the green
TALK LED to turn ON (Item D).
A-
4. Make the appropriate announcement.
5. When finished, unkey the Microphone and
place it in the cradle. In an Alarm condition,
unkeying the mike may play a pre-selected
tone over the speaker circuits which are still
selected.
in the following manner.
alarm signals/ messages, if desired.
6. Turn OFF (DOWN) the ALL SPEAKERS TALK
Switch (Item A) and return all activated
Speaker Select Switches (Item B) to center
position.
Figure 22
LED/Switch Locations for Microphone Operation
During Alarm Conditions (Triple Channel)
HOW TO MANUALLY INITIATE AN EVACUATION SIGNAL
(SEE FIGURE 23)
To manually initiate an evacuation signal, do the
following.
1. To evacuate ALL areas:
Turn ON (UP) the ALL SPEAKERS EVAC
Switch (Item A).
To evacuate specific areas:
a. Turn ON (UP) the desired Speaker Select
Switches (Item B).
b. Turn ON (UP) the SELECTIVE EVAC
Switch (Item C).
2. To turn OFF all speaker circuits, turn OFF
(DOWN) the ALL SPEAKERS EVAC
Switch
(Item A).
:
:
:
0
:
i
:
i
:,
Figure 23
LED/Switch Locations for Evacuation Signal
Initiation (Triple Channel)
47
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