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Hello All,

I am trying to troubleshoot an issue with my 1999 GP7. Most sounds work, with the exception of crew talk, but all play at very low volumes. we have installed a new 9V battery and followed instructions as listed in the following link.

I have attached two relevant pictures to this post. Any and all help will be greatly appreciated.

1226201215

1225201340

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Images (2)
  • 1226201215: audio board for GP-7
  • 1225201340: assembly of all modules
Last edited by Rich Melvin
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I always like a happy ending Mike!

It's a matter of personal preference, but I usually set the volume all the way up with the locomotive's volume setting and then dial it back to the preferred volume with my CAB-1. That way I can have a volume setting my wife prefers and quickly dial it back up when she's out!

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