switel DF 93 series, Руководство по эксплуатации

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Other features
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6 Other features
Key lock
☞
The key lock prevents functions assigned to buttons being activated
inadvertently. Incoming calls can still be taken in the normal way even when
the key lock function is activated.
Press and hold down the star-key until the key lock icon
appears in the display.
For unlocking the keypad again press and hold down the star-
key until the icon disappears.
Switching the handset ringer on/off
☞
You can turn off the ringer via the menu item “Handset Settings / Ring
Setup / EXT Ring / Volume” as well.
Press and hold down the #-key until the icon appears in
the display.
For turning the ringer on again press and hold down the #-key
until the icon disappears.
Switching off the handset
☞
You can switch off the handset for saving battery capacity.
Press and hold down the On Hook-button. After a few seconds
the handset will be switched off. The display illumination goes
down.
For switching the handset on again press and hold down the
On Hook-button until the display is illuminated again.
SWITEL DF931-GB 110x184_300709:SWITEL DF931-DE 110x184 30.07.09 15:53 Seite 12