Operation Manual
22 Base settings
5.9 Keypad lock using the menu
You can use the menu to lock the keypad.
1.
Press m, scroll d to 
HANDSET
 and press m. 
2.
Scroll d to 
KEYLOCK ?
 and press m to confirm. 
 icon is displayed.
NOTE
To unlock the keypad, press any button on the keypad, then 
press 
* within 3 seconds.
6. Base settings 
6.1 Base ringer volume
Choose from 5 volume levels or Off.
1.
Press m, scroll d to 
SETUP
 and press m.
The display shows 
BASE VOLUME
. 
2.
Press m.
3.
Press u or d to select the volume (1 - 5 or 
OFF
). 
4.
Press m to confirm or B to return to the previous menu.
6.2 Base ringer melody
Choose from 5 different base ringer melodies.
You will hear a sample ring as you scroll to each ringer 
melody.
1.
Press m, scroll d to 
SETUP
 and press m.
2.
Scroll d to 
BASE MELODY
 and press m.
3.
Press u or d to select the ringer melody (1 - 5). 
4.
Press m to confirm or B to return to the previous menu.










