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• For system equipped with several handsets, all the handsets will be alerted with
an incoming call. However, only the handset whose Answer button(11)isrst
pressed can initiate conversation with the caller unit. The remaining handsets
will stay in the standby mode and their buttons become de-activated until the
conversation ends, making them impossible to interfere with the conversation.
• Once the call has been answered, the Call indicator (4) on the caller unit remains lit
while the ding-dong tone stops. Conversation can now be made by speaking into the
Microphone (2).
c) Making conversation
The voice transmission is carried out according to the half-duplex principle
(alternating). This means, that you may communicate alternately with each
other, but not simultaneously.
• Conversation is now possible and the voice of the visitor can be heard from the
Speaker (17). To talk back to the visitor, press and hold the PTT button (12) and
speak towards the Microphone (15). The Reception mode icon (C) goes on when
speaking to the visitor. Release the PTT button (12) when speaking to the visitor is
done and the Reception mode icon (C) goeso.Thevoiceofthevisitorcannotbe
heard when the PTT button(12)isbeingpressed.Uponnishoftheconversation,
press the Hang up button (14) to end the call.
• This system has an automatic end call feature. In case the resident does not talk back
to the visitor (i.e. press the PTT button (12) ) for over 90 seconds, the call will be
ended automatically. Such feature is useful to protect privacy in case you forget to
end the call by pressing the Hang up button (14).
• During conversation, the sound volume heard through the speaker (17) can also
be adjusted using the Volume up (13) and down (10) buttons and the Speaker
volume icon (P)
will change accordingly.
• Pleasenotethesoundvolumeofthedoorchimeisxedandcannotbeadjusted.
d) Opening the gate
Once a call has been answered, you can use the Doorlock open button (9) to
remotely open the electric door latch for the visitor (this function is only available if
thereis12Vsupplytothecallerunitandyourdoorisequippedwithanelectriclatch).
Press the Doorlock open button (9) once, the Doorlock opened icon (L) appears
on the LC display, showing the door latch is opened. The Doorlock opened icon (L)
will disappear after 3 seconds.