Marmitek DOORPHONE 170 Guide Utilisateur page 19

available or 20 minutes if the battery is used). Pressing the
talk/answer button (16)
momentarily can stop the alarm but the icon E
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. Under normal operation, the back-up alkaline batteries inside the
door unit (we suggest using good quality batteries such as Duracell)
can last for 2-3 days.When there is no 12V DC supply and the
backup batteries become run down, the icon N
the screen and an alarm will be heard, reminding you to replace it
with new batteries in the respective door unit. Pressing the
talk/answer button (16)
momentarily can stop the alarm but the icon N
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
shown and its alarm will be heard.
13. Whenever the buttons (except the PTT button (16)
button (15)
validate your entry.
14. Once the Light sensor (5) detects a low light intensity, the Call button
(1) on the door unit will become automatically backlighted (only if
a12V DC supply is available).
DoorPhone 170
or the hang up button (15)
or the hang up button (15)
on the handset are pressed, a tone will be heard to
will still remain.
will appears on
will still remain
is
) or hang up
19