Marmitek DOORPHONE 170, User Manual

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© MARMITEK 18
(16) after finish speaking to listen to the visitor, the reception
mode icon D will show up again. It should be noted that the voice
of the visitor will not be heard while pressing the PTT button (16)
.
Upon finishing the conversation, press the Hang up button (15) to
end the call.
The DoorPhone 170 has an automatic end call feature. In case the
resident does not talk back to the visitor (i.e. press the PTT button
(16)
for more than 90 sec, the call will be ended automatically.
This feature is useful for protecting your privacy in case you forget to
end the call by pressing the Hang up button (15)
.
8. Once a call has been answered, you can use the door lock open
button (13) to remotely open the electric door latch for the visitor
(this function is only available if there is a 12V DC supply to the door
unit and your door is equipped with an electric latch). Touch and hold
the button (13) for over 2 seconds, wait a while and the icon M
will appear on the screen, showing that the door latch is open. The
icon M
will disappear after a duration as specified by the trigger
time function.
Under standby mode (i.e. when no call is set up between the handset
and door unit), the electric door latch of the front door can also be
opened by a long press of button (13) for over 2 sec. The Call
indicator (4) on the door unit also lights up for a duration as specified
by the trigger time function.
To avoid misuse by children, this door lock opening function can be
activated or deactivated. When deactivated, as indicated by the
on
the LCD (17), pressing the button (13)
will have no effect.
9. For systems equipped with several handsets, all the handsets will be
alerted of an incoming call. However, only the handset which first
presses the Answer button (16)
can set up conversation with
the door unit. The remaining handsets will return to standby mode
and their buttons will become de-activated until the conversation
ends, making it impossible for them to interfere with the conversation.
10. Under the circumstances of an unanswered call from a visitor (e.g.
you are away from home or located at a place which is out of range
from the door unit), the icon C
will appear on the screen. This
icon is useful to remind you that somebody has called. Press any
button momentarily to remove this icon.
11. Whenever the handset is located at a spot which is outside of the
communication range of the door unit (either front or back gate), an
alarm will be heard and the icon E
will appear on the screen.
Such an alarm is not immediate and it will alert you only when you
are out of range for over 2 minutes (when the 12V DC supply is