Controlling Volume In Dos - Advantech PCM-4825 User Manual

6.2.2 Controlling volume in DOS

The ES1868/1869 audio controller provides software control for the
setting of audio volumes. The VOLUME CONTROL utility located
in the UTILITY subdirectory of the audio driver diskette is used to
control the volume setting in DOS.
To control the volume setting, simply type ESSVOL at the DOS
prompt with appropriate parameters. The syntax of ESSVOL is
shown as follows.
ESSVOL [/?] [/v:xx] [/l:xx] [/w:xx] [/m:xx] [/c:xx] [/s:xx] [/a:xx]
no option
/?
/v
/l
/w
/m
/c
/s
/a
/p
x x
The value range of volume is 0 - 15.
[PC speaker volume range is 0 - 7]
Display all volume settings.
Display this message.
Change master volume.
Change line volume.
Change wave volume.
Change microphone volume.
Change CD volume.
Change Synthesizer volume.
Change AuxB volume.
Change PC speaker volume.
Volume (xx = 0 if omitted)
Chapter 6 Audio Setup 55