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DPT Overview
42 User Manual
To adjust the speaker volume
SP-PHONE
VOLUME
MONITOR
72XX
Press SP-PHONE
or MONITOR.
<PT Display Example>
SP:************
(-volume level 12)
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.
Press VOLUME (UP /DOWN ) Control button.