QSI's Sound Board History
The earlier boards, QS-1s, QS-2s and QS-2Ps as well as all the
ProtoSounds1 retail and original factory installed sound systems, start
up with 2 bells. They also do not have the pull plug for doing a Full
system Restore, mentioned on page 105 in the QS-3000 user guide.
Pulling
the plug on a QS-3000 board instructs the micro processor to not only
clear all the Reset settings back to "factory default" (what Reset 18
does in 3 easy steps) but also includes a complete restoring of the
EPROMs memory.
Also, the QS-3000 boards (this is only the top
board) have the numbers "3000" in big while ink, and the boards are
blue. There is no distinctive printed identification beyond an
innocuous "QS1C5 O 1994 QSI" in white on the earlier boards, which are
green.
What is written on the plug-in chip?
If it is a QS-2 or QS2+ the first part will be QS2 or QS2+, printed in blue.
The next letter will indicate if it is an After Market chip "S" or an MTH conversion chip "C".
The last letter in the top line indicates what the software revision is. "A" is the earliest, "E" is the latest.
If it is a 3000, the first part will be QS3, printed or written in red.
The After Market sound sets have a 3 digit number.
"F"
identifies a chip as having Freight Yard Sounds. Either a P or no
letter after the number indicates that it has passenger announcements.
The MTH conversions use letters and numbers to identify the loco.
If
it is an original MTH chip, it usually states what series and loco it
is for, printed in black. These chips are similar to QS-1s with a few
parts of the QS-2 software added.
The OEM line is identified by
the letters OEM followed by the loco name or type. This scheme was was
used by Sunset Models and Weaver.
For the QS-1s, it is a strange
almost undecipherable code to indicate what type of loco it is intended
for. The best way to identify what it is to listen to it.
User guides are available for both the QS-2p and the QS-3000. The manuals are available on line at
http://qsindustries.com
The manuals apply to all versions of the specified software:
The
hard copy QS2p manual is available for $9 each, including Media Mail
shipping. These are free with either a purchase or a repair of QS2p
product, if requested at time of purchase.
The hard copy QS-3000 manual will soon be available at $17.50 including Media Mail shipping, each.
If ordered with a QS3000 purchase or repair: $15, to be shipped with the product.
The QS-1, QS-1.1, & QS-2 are obsolete along with the enire line of MTH Proto Sounds and the
MTH After Market offerings: Proto One, Proto Plus, Proto Deluxe and Proto Deluxe II.
Also the various OEM offerings used by 3-rd Rail and Weaver.
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