switel DF722 Bedienungsanleitung Seite 124

Special Functions
Emergency call numbers
Up to 4 emergency numbers can be stored in your handset. These numbers can
be dialled even if the key lock function is activated. Storing emergency call num-
bers, . Page 120.
Dimm−Modus
Setting
Aus
Immer ein
Für 10 Minuten The backlighting for the display is dimmed after 30 seconds
124
71
Effect
The backlighting for the display is switched off after 30 se-
conds.
The backlighting for the display is dimmed after 30 seconds
but remains switched on.
and is switched off after a further 10 minutes.