Panasonic DP-3010 - Manuel (Page 176)

176
Adjusting the Volume
You can adjust the monitor volume on your machine. The built-in speaker enables you to hear the dial tone,
dialing signals, and busy tone.
Make sure that the FAX/EMAIL lamp is ON. If not, press to select the "FAX/EMAIL" mode.
General Description
Setting the Monitor Volume
1
You will hear the dial tone through the speaker.
2
Press or repeatedly to raise or lower the Volume.
3
MMM-DD-YYYY 15:00 00%
* Monitor *
> > > > > > >
OK