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1993-03-04
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CDVOL.EXE 1.00 Documentation
-------------------------------
This program is shareware. It may be freely distributed, as long as it is
distributed unmodified along with this documentation. If you find this
program useful, please send $5.00 to:
Mountain Air Designs
P.O. Box 1138
Cedar Glen, CA 92321-1138
Or contact the author, Paul White, via Compuserve at 70202,157.
What is CDVOL?
--------------
CDVOL.EXE is a simple utility to set the audio volume level of a CD-ROM drive
operating under Microsoft CD-ROM Extensions (MSCDEX).
The program is run from the MS-DOS command line (or a batch file) as follows:
CDVOL nnn
Where nnn represents a number from 0 to 255, 0 being minimum volume, and 255
being maximum volume. For example:
CDVOL 255 will set maximum volume.
Why CDVOL?
----------
Some CD-ROM application programs use the default volume of the CD-ROM drive,
which may be too quiet or too loud for your taste. If your drive (and device
driver software) supports volume control, CDVOL may be used to change the
current volume setting. Just run CDVOL before running your application
program to set the desired volume level.
Not all drives support continuous volume control. For example, the Philips
CM-50 only allows full volume or volume off. In this case, a value of 0 will
mute the audio, and any other value (1 to 255) will set full volume. Other
drives, such as the Toshiba XM3301 support stepped volume levels. That is,
there are 16 discrete volume levels that may be set: 0 to 15 will mute the
audio, 16-31 will set the lowest volume, and so on, up to values of 240 to
255 which will set full volume.
If it seems that you are unable to set the CD-ROM volume using CDVOL, it may
be that your application program is overriding the CDVOL level. If so, your
application program may have a separate volume control function.
CDVOL.EXE (C) Copyright 1993 by Mountain Air Designs, Cedar Glen, California
Microsoft, MSCDEX and MS-DOS are trademarks of Microsoft Corporation.