Technical information 25
Call security 25
Connecting to a switchboard 27
Connection information 27
REN (Ringer Equivalence Number) 26
Safety advice 26
Transmission frequencies 26
Maintenance 28
Changing handset battery pack 28
Care of handset battery pack 29
General cleaning 29
Guarantee 30
Installing handset battery pack 28
Power failure 29
Wall mounting 33
Index
32