Nortel 4025 Guia Do Utilizador
Handset controls
26
Handset illumination
The display is automatically illuminated when there is an incoming call or
a key is pressed. The display illumination automatically switches off after
ten seconds if no key is pressed.
a key is pressed. The display illumination automatically switches off after
ten seconds if no key is pressed.
Key Lock
Use the
Key Lock feature to disable key input and prevent any accidental
operation.
Turning on Key Lock:
Turning off Key Lock:
1.
Press the
Menu
soft key.
2.
Press the
#
key.
1.
Press the
OFF
soft key.
2.
Press the
#
key.
Menu
#
OFF
#