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OPERATIONS & SPECIFICATIONS
OPERATIONS:
* POWER SWITCH MUST BE ON FOR THE SYSTEM TO BE OPERATIONAL.
Receiving a call from a single sub station:
1. Sub station calls in with electronic tone, heard until the call is answered at the master.
2. LED light corresponding to calling station will light at master, flashing until the call is answered.
3. Depress station button with lit LED. LED will change from flashing to steady.
4. Press TALK to speak, release to hear reply, or use handset. NOTE: Handset can be used only if the handset is
connected and the HANDSET ON/OFF button is in the ON position (Green LED lit).
5. Press OFF button when the call is concluded.
Receiving calls from multiple sub stations:
1. When multiple sub station calls are received, each calling sub's LED will flash and the electronic tone is heard until
the first call is answered at the master.
2. Depress one of the station buttons with a flashing LED, whichever one is to be answered
3. The call tone will be muted and the answered station's LED will be steadily lit. All other LED's will remain flashing.
4. Press TALK to speak, release to hear reply, or use handset. NOTE: Handset can be used only if the
handset is plugged in and the HANDSET ON/OFF button is in the ON position (Green LED lit).
5. Press OFF button when the call is concluded. Station call light will turn off and communication will be disconnected.
(Important: If OFF button is not pressed and a second station button is selected, both stations will receive outgoing
voice from master)
6. Select the next station with a flashing LED and repeat the steps above.
Activating door release:
1. When a sub station is selected, the "MOMENT" relay is activated when the DOOR RELEASE button is pressed.
2. Door release contact will be active as long as the DOOR RELEASE button is pressed.
Activating a CCTV Camera:
1. When a sub station is selected, the "CONST" relay is activated as long as that station is selected.
2. This relay provides both Normally Open and Normally Closed contacts, depending on the requirements of the other
system.
Calling a sub station:
1. Depress station button of the location you wish to call. A pre-announce, mono-electronic tone will be heard at the
called station.
2. Press TALK to speak, release to hear reply, or use handset. NOTE: Handset can be used only if the handset is
connected and the HANDSET ON/OFF button is in the ON position (Green LED lit).
3. Press OFF button when the call is concluded.
Initiating an ALL CALL from the master station:
1. Press and hold the ALL CALL button, then make an announcement. If the handset is used, speak into the
handset to make the announcement, otherwise, speak into the microphone on the face of the unit.
2. To conclude, release the button.
3. All Call is a one way outgoing announcement only. If a station wishes to respond, they must press their call button,
and the master station can then answer the call as described above.
4. If background music is included, the music will be heard on the system while it is not occupied. When the master
station selects a station to place or answer a call, the music will be muted throughout the entire system.
Initiating a GROUP CALL from the master station:
1. Select the stations that will receive the Group Call.
2. Press TALK to make announcement or use the handset. NOTE: Handset can be used only if the handset is
connected and the HANDSET ON/OFF button is in the ON position (Green LED lit).
3. Press OFF button when the announcement is concluded.
Adjusting System Volume Levels
1. Using a small screwdriver, adjust the overall volume controls located in the upper left corner of the master unit. All
Call, Transmit, Receive, and Tone volumes can all be adjusted independently.
2. Use the three position switch on the front of the master for user control of the Receive and Tone volumes.
Testing LED's
1. Using a small screwdriver, press and hold the LED Test button.
2. All station LED's should illuminate. Any station LED's that do not illuminate must be replaced.
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