Panasonic Toughbook CF-28 Series Reference Manual page 61

Technical Information
Volume Adjustment of MIDI File
1
Double click on the taskbar.
2
Select [Option] - [Properties].
3
Check [Playback] and then add the check mark
4
Select [OK].
5
Adjust the volume of [WAVE].
6
Click in the top of right corner of the window.
Windows NT
for [WAVE].
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