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8.3.5 Function Key
The phone has 4 programmable DSS/Function keys with associated LEDs. The 4 directional
arrow keys and the OK button are also programmable. This screen also sets the LCD contrast
and enables the backlight.
8.3.5.1 Function Keys
Screen Configuration
Field Name
Explanation
Contrast
Set screen contrast
Enable Backlight
Enable/disable LCD backlight.
Function Key Settings
Field Name
Explanation
Key
Key Name
Type
Select the type of function the key is to perform. Choices are:
None
BLF List Key – If the SIP server supports this function, the key
can monitor the status of a group of phones.
DTMF – Send DTMF during a call
Key Event – Many different functions. See Section 4.9.3 for a
list.