Telephone operation
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Telephone operation
Equalizer
The equalizer feature enables you to change the quality of the audio to best 
suit your hearing.
Using a cordless handset or the telephone base:
1.  While on a call or intercom call, press MENU/
SELECT.
2.  Press 
TCID or SDIR to scroll to Equalizer, then press MENU/SELECT. 
3.  Press 
TCID or SDIR to select Treble 1, Treble 2, Bass or Natural (the 
default setting). The current setting is shown on the handset screen for 
two seconds.
Notes: 
f If you switch the call between the handset and the speakerphone by pressing 
/SPEAKER, the audio setting 
remains unchanged. 
f The current equalizer setting remains unchanged until a new setting is selected.