107
SYSTEM OPERATION
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To make a call the visitor should press the push button corresponding to the apartment he wishes to
contact. An acoustic tone will be heard confirming the call is in progress once the push button has
been pressed. At this moment the call will be received at the monitor (telephone) in the dwelling.
During the call the visitor can correct his call by pressing a push button corresponding to a different
apartment, in which case the original call is cancelled.
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In systems with several accesses doors, the other(s) door panel(s) will be automatically disconnected:
If a visitor tries to call from other door panel an acoustic tone will be heard confirming the system is
busy and the led of busy system from informative window will lights (If it exists).
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General door panel (EL501 mode): If the call is made from the general door panel, the inner door
panel of the building called and other possible general door panel will remain automatically
disconnected, if another visitor tries to call from an inner busy door panel or from another general
door panel, an acoustic tone will be heard confirming the system is busy and the led of system busy
will blink (in the general door panel). The door panels of the others inner buildings will remain free to
be used.
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General door panel (EL501 mode): In the case that the call is made from an inner door panel, the rest
of inner door panels will remain free to be used. From general door panels only will be able to make
calls to the inner buildings whose door panels are not in use, if the visitor tries to make a call to a busy
inner door panel, an acoustic tone will be heard confirming the system is busy and the led of system
busy from informative window will blink.
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The call tone will be reproduced on the monitor during 3 seconds: after this time the picture will
appear on the master monitor without the visitor being aware of this. To see the picture in a slave
monitor press the
push button, dissapearing the picture on the other monitor. If the call is not
answered in 45 seconds, the system will be freed.
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To establish communication pick up the monitor (telephone) handset.
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The communication will last for one and a half minutes or until the handset is replaced. Once the
communication has finished the system will be freed.
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To open the door, press the door release push button during call or communication progresses: with
one press, the door release operates during 3 seconds. During the lock release activation an acoustic
tone will be heard on the door panel confirming the lock release is activated.
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The monitor and telephones push buttons description is shown on pages 124, 129 & 133 respectively.
SYSTEM CHARACTERISTICS
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Allows one of these functions at once, Configuration with dip switch Sw1 (see page 133):
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"Autoswitch-on" function.
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Output for auxiliary relay activation (18Vdc/0,5 A maximum).
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Call to a slave porter's exchange.
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Intercommunication function with other monitor or telephone of the same apartment.
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With Platea Plus / Tekna Plus monitors, addition to the T-940 Plus telephones features:
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"Autoswitch-on" function.
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"Video-spy" function with the communication channel remaining free.
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Call to a slave porter's exchange.
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Activation of two auxiliary devices: secondary telecamera, courtesy light, ...
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B/W & Color monitor.
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Brightness and contrast control (color control in case of color screen).
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