Key To Controls; Display: Characters Ans Symbols - Deutsche Telekom Sinus 54 ISDN User Manual

Key to controls

Display: characters and symbols
Message line
Digits and special
characters
012401313
Intern
Battery indicator
• When permanently lit, the telephone is ready to operate
• Flashes approx. 10 minutes before the battery cells go flat
• No indication: telephone switched off or battery cells flat
Connection indicator
• When permanently lit, there is a radio connection between the
handset and the base station
• Flashes while the call is being set up
Indicates the base station on which the handset is being operated
(operation with several base stations)
• When permanently lit, the handset is within range of a base station.
Incoming and outgoing calls are possible.
• Flashes when a base station is being searched. Incoming and
outgoing calls are not possible.
Signals letter input
ndicates a temporary switchover in dialling method
Indicates that a choice of other menus is available
Symbols indicating the telephone's
current operating mode
Menü
Current meaning of the softkeys
5