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3.5 Answering Doorbells
Exterior stations (PC5921EXT, PC5921EXT/R) can be programmed as door-
box 1 or doorbox 2 for doorbell operation. When someone presses the but-
ton on a doorbox 1 station, it will broadcast a "dingdong" sound over the
system. Doorbox 2 will broadcast a "dong" sound over the system.
To answer the doorbell users can press the Page/Answer button on any sta-
tion. The audio channel will operate the same as it does for a page.
If a page is in progress when a doorbell is pressed the two persons on the
page will hear the tone. To answer the doorbell either person can press the
Page/Answer button. The page will end and the user will immediately be
connected to the doorbell station.
3.6 Opening the Door
You can program any intercom station to open the door (using a doorstrike
module) while in communication with a doorbox station. After answering a
doorbell on an intercom station, press and hold the Page/Answer button for
2 seconds to activate the doorstrike. The system will sound an acknowledg-
ment beep. The PC4020 will trigger the programmed Command Output (1 -
8), which will activate the PGM output connected to the doorstrike. See sec-
tion 4.3 "Doorstrike Function Button" on page 11.
To terminate communications with the doorbox station, press the Page/
Answer button briefly.
3.7 Door Chime
If the door chime feature is enabled for zones on the system, when a zone is
violated or restored, the keypads on the partition will beep. If an Escort4580
v1.3 is connected to the system, it will announce the label for the zone which
generated the door chime over the audio stations.
3.8 Monitoring
The Monitor feature allows users to listen-in on one area at any other inter-
com station (except stations on DND). To listen-in on an area, go to the sta-
tion in the area and press and hold the Do Not Disturb button for two
seconds. The station will be put in Do Not Disturb mode and the Do Not
Disturb light will flash. The PC4936 will transmit all sounds heard from that
station to all the other stations on the system.
Other features such as paging, door answer and answering incoming calls can
still be performed and will override the monitor feature. If a page, door
answer or telephone call answer is in progress the monitor feature will not
operate until the conversation is ended. To turn off the monitor feature press
the Do Not Disturb button once. The red light on the station will stop flashing.
Only one station at a time can be monitored. To monitor another area, turn
the monitor feature off on the first station.
3.9 Answering Incoming Calls
When an incoming call is detected, the PC4936 will sound a ringing tone on
all stations which are enabled to sound the tone (unless on Do Not Disturb).
To answer the call the user must press the Page/Answer button for 1 sec-
8
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