Don't you love LGB sound units. Had one fitted in my brown Crock when I bought it 5 years ago. Just renumbered the loco. But of course the sound unit won't accept the new number.
Had to open the Crock up . Take out sound unit plug that into the PC, then re number , then refit. AAAARRRRGGGGHHHH
Had to open the Crock up . Take out sound unit plug that into the PC, then re number , then refit. AAAARRRRGGGGHHHH