Advantech PPC-140 - Manual (Page 108)

90 PPC-120/140 User's Manual
8.2.3 Controlling volume in DOS
The ES1869 audio controller provides software control of the settings for
audio volumes. The VOLUME CONTROL utility located in the
UTILITY\Audio\ subdirectory of the CD-ROM is used to control the
volume settings in DOS. To control the volume settings, simply type
"ESSVOL" at the DOS prompt with appropriate parameters. The script for
ESSVOL is:
ESSVOL [/?] [/v:xx] [/l:xx] [/w:xx] [/m:xx]
[/c:xx] [/s:xx] [/a:xx]
no option Display all volume settings
/? Display this message
/v Change master volume
/l Change line volume
/w Change wave volume
/m Change microphone volume
/c Change CD volume
/s Change synthesizer volume
/a Change AuxB volume
/p Change PC speaker volume
xx Volume. Note: no xx means 0
The value range for volume is 0 ~ 15.
(The PC speaker volume range is 0 ~ 7.)