Questions And Answers - hager SC900AX Manual

14. Questions and Answers

Questions
Why can conversation be
"broken" when using the
handset?
What causes the interference
(Larsen effect, crackling, etc.)
that can be heard in the
handset?
Why does the reception quality
vary when I move around with
the handset?
What should I do if I lose the
display on my handset?
What should I do if the handset
does not beep and display
when I put it back on its base?
Can I clean my doorphone?
What should I do if the handset
does not ring during a
communication test?
What does the icon
displayed on the handset mean?
This can happen when you are at the radio reception limit.
The controller cuts off communication when you go beyond
this limit. You should move closer to the controller.
This can happen when the handset is too close to another
handset or the controller. Move the various devices over
3 metres away from each other.
If there is no electromagnetic interference or no obstacle
between the handset and the controller, the "free field" radio
range is roughly 400 m. When the handset is inside the home,
the radio range is less. Radio wave propagation is limited
depending on the type and thickness of the walls or partitions
through which they pass.
Trees or
bushes
10% to 30%
reduction
Concrete
and
breeze-block
50% to 70%
reduction
Simply recharge the handset on its base.
The time must be reprogrammed
(HANDSET/CONFIGURATION/TIME menu)
Check the mains power supply or the state of the handset
base battery.
Use soapy water and a soft cloth to clean products whenever
necessary.
Do not use alcohol or acetone to clean them.
• Move closer to the controller.
• Check that the handset is not in silent mode
( icon displayed).
A visitor came to the outdoor caller unit while you were out.
To delete the icon, press on a handset button.
Answers
Plasterboard
and wood
10% to 30%
reduction
Metal
and metal
cladding
70% to 90%
reduction
G
Brick
30% to 50%
reduction
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