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Cannot load sound files from HC-2b to LM-3S

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robert.h.giffin:
When moving sound files (tried GE 7FDL-16 and ULT) to the LM-3S at different points for each attempt it fails with a message 'Cannot Connect'.  I have placed the controller at various distances from the decoder with no luck.  I have also updated both the HC-2b and the LM-3S to the most recently released firmware.  Since I removed the standard diesel sounds to make room for the desired file, the decoder no longer has sound.  I have also tried two separate decoders with the same issue.  This is not looking good at the moment BUT so far this is the only real insurmountable issue I have found.  But it's a big one.

Alan:
Is there a switching power supply nearby? If so, move it.

I had a situation where an operating power supply was sitting on the bench and anytime the line of sight from the HC to the LM was anywhere close to passing near the power supply the connection would drop. Moving the power supply totally fixed the problem.

robert.h.giffin:
Something like that.  My testing setup right now is a single piece of flex track that I'm powering with alligator clips.  I had the power supply on top of the desk but it wasn't in the direct line of sight of the radios, however, I do know how power supplies can affect certain frequencies so your suggestion made sense.  It actually turned out that probably one of the alligator clips (or both) were likely not making great contact so I did two things, 1) lengthened the leads to put the power supply on the floor masked by the workbench and 2) re-positioned the alligator clips to make better contact (I know, I should solder to the rails).  And step 2 worked.  Makes sense, error message being 'Cannot Connect' meaning the radios intermittently drop power, shows up more on larger files like sound, the reason I was able to do lights and pictures but not sound files.  Now to try the ULT series sound files.

Thanks for the suggestion.  It set me on the right path!

KPack:
Yes, make sure those clips have good contact.  Or like you said, solder the leads on.  With a file as large as the ULT files you will need to be sure that there is no possible way for the signal to be dropped. 

You'll love that 7FDL-16 ULT sound file....it is truly excellent.

-Kevin

Ken Z:
I find that downloading sound files is extreemly slow.  They are big files so I am OK with that, I just want to make sure I am not the only person with that situation.  I also found that if I have another locomotive next to the one I am trying to load files to I get the cannot connect message.  I have only done a couple of engines but it looks like once I get the sound file on the Hand Held, I can just load more locomotives without going back to the Ring site.


Ken Z

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