Well this made me take the cover off of mine.  I think my problem is that I can't get enough bite on the new knob to keep it from slipping.  With the cover off and access internally I can shift all 3 speeds.  The original knob would have a screw going through the hole in the shaft so no slippage problem with it.

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You said "tomorrow" yesterday.

The above comments or recommendations are SWAG. Use at your own risk.
John, W9DDD
On 9/26/2023 11:03 AM, Nick England wrote:
Here's a video of shifting gears on a 28 Compact - there are very distinct sounds while running and shifting between the three speeds. Are you really shifting to the 45 baud gears?
https://www.navy-radio.com/tty/28-compact-gearchange.MOV

Nick England K4NYW
www.navy-radio.com


On Sat, Sep 23, 2023 at 9:16 PM Nick England <[email protected]> wrote:
There are 3 separate pairs of gears that get selected by the lever. So somehow you aren’t really selecting the 45.5 pair. There is no adjusting the speed except by selecting one of the pairs. I’ll take some photos. 
Nick


On Sat, Sep 23, 2023 at 8:15 PM Jeffrey Golas <[email protected]> wrote:
Hey all, figured Id ask here too. At the ship we have this ugc-77 (low level 28 mini) that has a selectable gearbox (45.5/50/75 baud). Despite putting it on far counter-clockwise position, its stuck at 50 baud and not 45.5. Does anyone know if I can adjust it further to get it back to 45.5?

I guess I should RTFM too.

Jeff KC3GJX
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