Panasonic KX-TD816C User Manual page 42

DPT Overview
To adjust the speaker volume
72XX
SP-PHONE
MONITOR
Press SP-PHONE
or MONITOR.
42
Press VOLUME (UP
<PT Display Example>
SP:************
You may also adjust the speaker volume while listening to
background music (BGM On mode), receiving a voice call,
receiving a page or hearing a call progress tone such as a dial tone.
VOLUME
/DOWN ) Control button.
(-volume level 12)
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