See also:

To select a track from its beginning
Turn the “TUNE/TRACK/CH” dial clockwise to skip to the beginning of the next track/file. Each time the dial is turned, the indicated track/file number will increase. Turn the “TUNE/TRACK/CH” ...

Volume control
You can adjust the phone call volume, the voice volume and the voice guidance volume. Refer to “Volume control switch” F5-32. Adjustable level of each volume ...

Play file
Refer to “Play file”. ...