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Basic rules for operation
FC4‚ FC4 L, FC4 Ex (HS), FC4 L Ex (HS)
Automatic keyboard lock
At Menu > Setup > Security > Key lock, you may set up an automatic, time-
controlled keyboard lock.
HINT
The automatic keyboard lock locks the keyboard when no call and no
operation have occurred on the handset during the selected period.
Activating the keyboard lock manually is still possible. Deactivating the
keyboard lock does not require the PIN!
Changing the earpiece volume temporarily during a conversation
The basic earpiece volume setting can be changed at Menu > Setup > Phone
settings > Audio settings > Earpiece volume.
You may change this setting temporarily when needed during a telephone call:
You make a phone call without the handsfree talking function activated.
Increasing the volume temporarily
Calling up the function: Press the Up arrow of the
SELECTOR
key
long
once until
a deep confirmation tone is heard, then ...
Increasing the volume: Press the Up arrow of the
SELECTOR
key briefly several
times. The volume increases by one level step every time the key is pressed.
Continue pressing the key briefly until the desired volume is reached.
Reducing the volume temporarily
O K
O K
FC-4_BA_trilingual.book Seite 116 Montag, 18. Mai 2009 7:26 07
