[TenTec] Omni VI Keyer Speed Control

[John Huffman]

Don -

Further investigation shows that all three wires - brown, white, red - go to 
connector D on the logic board.

I put a 4.7K resistor between the brown and purple wires.  It made no change in 
the keyer speed.  The range remained 10-61 wpm.  Also tried it between the white 
and the brown and between the white and the purple.  Again, no change.

Wonder what I'm missing?

A 10-turn pot may be too long for the space - about 1 1/8" behind the panel.

73 de K1ESE
John


VE1BN wrote:
> John -
>  
> Try a 5K 1/8 Watt resistor across the two outer lugs on the pot 
> itself.  This should stretch the range of the knob.
> 
> Another and better way is to just use a 10-turn 10K pot. Just 
> substitute it for the original. It won't disturb the resistor value 
> with an added parallel resistor across the outer lugs will. 
> 
> I have a Bourns 10-turn and from the wiring indication on it, you 
> should be able to rewire it the same as the original panel pot.  
> 
> Hope this helps you.
> 
> 73 -  Don 
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