Grandstream Networks GRP261X Administration Manual page 32

Preference sub menu includes the following options:
Enables/disables Do Not Disturb on the phone.
Turns on/off keypad lock feature and configures keypad lock password. The
default keypad lock password is null. If user enabled Star Key lock without
configuring password, user can unlock keypad by holding * key 4 seconds and
pressing "OK" button.
Preference

Do Not Disturb

Keypad Lock

Sounds
o
Ring Tone
Configures different ring tones for incoming call.
o
Ring Volume
Adjusts ring volume by pressing left/right arrow key.

Appearance
o
Active LCD Brightness
Adjusts active LCD brightness by pressing left/right arrow key
o
Idle LCD Brightness
Adjusts idle LCD brightness by pressing left/right arrow key
o
Active LCD Timeout
Adjusts the minute of active backlight timeout.
o
Screensaver
Enables/Disables Screensaver
o
Screensaver Timeout
Configures the minutes of idle before the screensaver activates.
Valid range is 3 to 60.

MPK LCD Settings (Available on GRP2614/GRP2616 only)
o
MPK LCD Display Order
Choose MPK LCD Display Order whether to be Sequential or
Alternating
o
Display Contact on MPK LCD
Enable / Disable Display Contact on MPK Order

Language and Input
o
Display Language
Selects the language to be displayed on the phone's LCD. Users could
select Automatic for local language based on IP location if available.
By default, it is Auto.
GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
P a g e | 32