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Question about QSI decoders #qsi #sprog

 

Hi everybody, for many years I have had several locomotives that were equipped with QSI decoders. Recently I needed to reset one of them and Decoder Pro didn¡¯t seem to recognize them as QSI. I ended up doing it on a generic CV configuration. Yesterday, it happened again with a different locomotive. My programming track is powered with a sprog.

I¡¯m pretty sure that QSI went out of business. So do y¡¯all know if this is something? I¡¯m just gonna have to deal with now?
Larry Sloan
Eat, Sleep, Work, Play with trains
 

Larry,

My Sprog doesn't reliably read QSI decoders.

I normally use POM for programming QSI decoders.

I've found that a Digitrax DCS100 with a programming track booster, or a Digitrax PR4 configured as a stand-alone programmer will read QSI decoders. I'll use one of these choices if I'm helping somebody with a QSI decoder that has CV settings they don't want to lose.

FWIW - QSI Solutions went out of business; QSI remains in business.

HTH - YMMV,
Ross

-----Original Message-----
From: [email protected] <[email protected]> On Behalf Of Larry Sloan via groups.io
Sent: Sunday, April 27, 2025 3:40 PM
To: [email protected]
Subject: [jmriusers] Question about QSI decoders

Hi everybody, for many years I have had several locomotives that were equipped with QSI decoders. Recently I needed to reset one of them and Decoder Pro didn¡¯t seem to recognize them as QSI. I ended up doing it on a generic CV configuration. Yesterday, it happened again with a different locomotive. My programming track is powered with a sprog.

I¡¯m pretty sure that QSI went out of business. So do y¡¯all know if this is something? I¡¯m just gonna have to deal with now?
Larry Sloan
Eat, Sleep, Work, Play with trains
 

You could try a higher voltage power supply, something like 16 volts. What Sprog do you have and what power supply?
You could also ask on the Sprog group.

--
Peter Ulvestad
Linux Mint 22.1, JMRI 5.11.5, Java 21.0.6
JMRI Users Group Moderator ( /g/jmriusers )
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