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Hands-free
conversation function
This function is intended to make send
messages or announcements without
pressing the speak button.
To activate the hands-free function,
DAUER
press the „
" button (7) until it
engages, which can be heard. The LED
(5) lights up.
This function is for instance ideally
suited to monitor a children's room or
as a signal transmitter of a door or
phone bell.
Important note!
In hands-free conversation mode all
connected intercom appliance become
receivers, except that appliance which
has activated the hands-free function.
This appliance becomes a transmitter
as long as the hands-free conversation
function is deactivated. No intercom
function is possible in this mode.
DAUER
Please make sure to release the „
button (7) to enable the other
subscribers to communicate with you
again after your announcement.
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Remarks
The reach of a wireless intercom system
is limited. In accordance with the
regulations of the Telecommunications
and Post Regulation authority (Reg TP)
the transmission capacity must not
exceed 5 mW.
Furthermore, the appliance must be
operated via the same circuit of a flat
or a single-family house. The DWA 293
intercom system is in compliance with
the provisions of the
Telecommunications and Post Regulation
authority.
Notes for malfunction
No problems will arise as far as the
system is operated in accordance with
the instructions. However, in case of
malfunction please check the following:
• Feedback noise
If the intercom appliances are too close
to each other this may result in a
"
whistling tone (feedback). To avoid this
increase the distance between the
appliances or reduce the volume.
• no connection between the intercom
appliances
If it is not possible to establish a
connection after having connected the
appliances, the cause may be that the
appliances have been connected to
different phases in your flat.
Important: The intercom appliances
will function properly only if connected
to the same circuit (phase).
To exclude a defect of the appliances
please connect the appliances at a multi-
outlet assembly one beside the other. If
the appliances function properly here,
the problem is probably your mains. In
this case, a phase coupler must be
installed in the switch board by a
specialist.
• external interfering noise of the
intercom appliances
These interfering signals come into your
circuit from outside from the
neighbourhood (e.g. voices of other
children etc.). To avoid this type of
malfunction it is necessary to install a
carrier-current line trap which prevents
effects by external transmitters.
This trap must be installed at the
relevant phase in the fuse box by a
qualified electrician.
• internal interfering noise of the
intercom appliances
Faulty connections in the house wiring,
"loud" thermostats of central heating
systems or refrigerators, computers,
colour TV sets, washing machines, hair
dryers, etc. may cause malfunction.
First of all look for the interfering
appliance by disconnecting one
appliance (consumer) after the other
from the socket. As soon as a clear
improvement of the transfer quality of
the intercom system is noticed, you
have localised the interfering appliance.
Now simply plug a suppression plug or
intermediate TV plug (max. connected
load approx. 400W) between the
interfering appliance and the socket
where the appliance is connected.
Please note that installation work at
the sub-distribution (fuse panel) must
be carried out by qualified persons
only.
Notes on Disposal
Old units, marked with the symbol as
illustrated, may not be disposed of in
the household rubbish.
Used rechargeable and non-
rechargeable batteries which are
marked with one of the symbols
illustrated may not be disposed of in
the household rubbish.
You must take them to a collection point
for old units, old batteries or special
waste (enquire at your local authority)
or the dealer from whom you bought
them. These agencies will ensure
environmentally friendly disposal.
Care and warranty
Separate the devices from other
components prior to cleaning, if
necessary, do not use aggressive
cleansing agents.
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