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Help 23
Technical information 26
Call security 26
Connecting to a switchboard 28
Connection information 28
REN (Ringer Equivalence Number) 27
Safety advice 27
Transmission frequencies 27
Maintenance 29
Changing handset battery pack 29
Care of handset battery pack 30
General cleaning 30
Guarantee 31
Installing handset battery pack 29
Power failure 30
Wall mounting 34
Index
33