Instructions
23 
4.6  Adjust Earpiece and Speakerphone Volume 
There are 5 levels (VOLUME  1 to VOLUME  5) to choose from for each of earpiece and 
speakerphone volume. 
Using a handset: 
During a call: 
Press  /  to select volume 1-5. The current setting is show n. When you end the 
call, the setting w ill remain at the last selected level. 
Using the base: 
During a call: 
Press  / to select volume 1-5. The current setting is show n. When you end the 
call, the settings w ill remain at the last selected level. 
4.7  Mute a Call 
With the call muted, you can talk to someone nearby w ithout letting the caller hear you 
during a call. 
Using a handset: 
During a call: 
Press   CANCEL/MUTE to mute the microphone and “MUTED” w ill be displayed 
on the handset screen. Your caller cannot hear you. Press   CANCEL/MUTE 
again to resume the microphone. 
Using the base: 
During a call: 
Press INT/MUTE/CLEAR to mute the microphone and “MUTED” is displayed on the 
LCD. Your caller cannot hear you. Press INT/MUTE/CLEAR again to resume the 
microphone. 
4.8  Set the Handset Silent Mode 
In idle mode, press and hold  to turn off the handset ringer. The   w ill be displayed 
on the handset screen. 
In silent mode, press and hold  to turn on the handset ringer. The   w ill disappear. 
4.9  Set the Handset Keypad Lock 
You can turn on/off the keypad lock of a handset to avoid misoperation. 
In idle mode, press and hold  to turn on the keypad lock. The   w ill be displayed on 
the handset screen. 
In keypad lock mode, press and hold  to turn off the keypad lock. The   w ill 
disappear. 










