Telephone operation
33
Telephone operation
Equalizer
The handset equalizer enables you to change the quality 
of the audio to best suit your hearing.
While on a call or intercom call, or listening to a message 
or announcement, press EQ  to select the equalizer 
setting Treble 1, Treble 2, Bass or Natural (the default 
setting). The current setting is shown on the handset 
screen for 2 seconds.
NOTES:
If you switch the call between the handset and the speakerphone by  
pressing  /SPEAKER, the audio setting remains unchanged. 
The current equalizer setting remains unchanged until a new setting  
is selected. 
•
•
Natural
6:30
AM
8/06
Bass
6:30
AM
8/06
Treble 2
6:30
AM
8/06
Treble 1
6:30
AM
8/06