Siemens Dualphone DP45, Operating Manual

Page: 19 / 30

Appendix
18
Questions and answers
The table below contains a list of common
problems and possible solutions.
Authorisation
This device is intended for use within the
European Union and Switzerland. If used
in other countries, it must first be
approved nationally in the country in
question.
Country-specific requirements have been
taken into consideration.
We, Siemens Home and Office Communi-
cation Devices GmbH & Co. KG, declare
that this device meets the essential
requirements and other relevant regula-
tions laid down in Directive 1999/5/ EC.
0682
The display is blank.
1. The handset is not switched on.
�
Press and hold the end call key
a
.
2. The batteries are flat.
�
Charge or replace the batteries (page 4).
The handset does not respond to a key press.
The keypad lock is activated.
�
Press and hold the hash key
#
(page 8).
“Base station x” is flashing in the display .
1. The handset is outside the range of the
base station.
�
Reduce the distance between handset/
base station.
2. The handset has been de-registered.
�
Register the handset (page 5).
Base Search is flashing in the display.
Handset is set for
Best Base
and no base
station is within range.
�
Reduce the distance between handset/
base station.
Handset does not ring.
The ringtone is switched off.
�
Activate the ringtone (page 16).
The other party cannot hear you.
You have pressed the
u
(INT) key.
The handset is “muted”.
�
Switch on the microphone again (page 8).
You hear an error tone when keying an input
(a descending sequence of tones).
Action has failed/invalid input.
�
Repeat the operation.
Watch the display and refer to the
operating instructions if necessary.