User manual

© MARMITEK
18
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 available or
20 minutes if the battery is used). Pressing any button momentarily
can stop the alarm but the icon E
will still remain. Once the
handset falls back in range, the alarm will stop and the icon E
will
disappear.
N.B. This out of range alert will also occur in case the batteries of the
Door Unit run down and its DC power is cut off.
12. When there is no 12V DC supply and the backup batteries become
run down, the icon N
will appears on the screen and an alarm will
be heard, reminding you to replace it with new batteries in the
respective Door Unit. Pressing any button momentarily can stop the
alarm but the icon N
will still remain until new batteries are
installed.
N.B. In case the handset is out of range and the Door Unit battery
goes low at the same time, then only the out of range icon E
is
shown and its alarm will be heard.
13. The outdoor temperature indicator provides you with an idea about
the weather which is useful if you plan to go outside of your home.
When the system is first installed, the LCD will show the default
setting of - -˚C. Once the Door Unit senses the outdoor temperature,
the correct reading will be shown on the LCD of the handset. To
obtain a correct reading of the outdoor temperature, the ventilation to
the temperature sensor
should not be blocked.
14. Whenever the buttons (except the PTT button
) on the handset are
pressed, a tone will be heard to validate your entry.
15. Once the Light sensor detects a low light intensity, the Call button
on the Door Unit will become automatically backlighted (only if
a12V DC supply is available).
16.