23
Handset operation
Equalizer
The equalizer feature on the handset 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 two seconds.
NOTES:
If you switch the call between the handset and speakerphone by 
pressing  /SPEA�ERSPEA�ER, the audio setting remains unchanged. 
The current equalizer setting remains unchanged until a new setting  
is selected. 
1.
2.
Treble 1
6:30
AM
8/06
Treble 2
6:30
AM
8/06
Bass
6:30
AM
8/06
Natural
6:30
AM
8/06
Telephone operation