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Telephone in Detail
FUNCTION KEYS
Model 4520
G
Function Keys
Some keys may have different functions assigned depending on the context or have
several functions assigned The following table provides an overview of the keys availa-
ble
Icon
Significance
Open menu / Confirm
Navigation upwards
Navigation downwards
Delete entry
Check, callback and delete outgoing call numbers
SOS Key
Memory key for SOS key / Quick-dial keys
Flash functions (e.g. call waiting, divert call, brokering)
Redial/Pause function
Activate/Deactivate Handsfree function
Increase call volume (volume boost)