13
Phone Lock
The phone lock protects your phone from unauthorized use. The
default phone lock code is 1234. You can change it into any numeric
string of 4 to 8 digits.
If the phone lock is enabled, you need to enter the correct phone lock
code when the phone is powered on or in the standby mode.
14
Locking the Keypad
In the standby mode, press and hold
to lock the keypad.
When the keypad is locked, press
to answer incoming calls or
make emergency calls.
You can press
(
Unlock
) and
to unlock the keypad.
When the keyguard function is enabled, if there is no operation on
the phone for a preset period in the standby mode, the keypad is
locked automatically.
15
Changing the Text Input Modes
The indicator of the current text input mode is displayed on the
screen. Press
to change the input mode.
11
Summary of Contents for C3500
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Page 5: ...Headset Jack 2 ...