Electronics Keyer

This electronics keyer is on the left hand side of the Vibroplex.

Black big knob is for speed ajuster. Oh, you should not speeding, QRS, QRS,, and small knob is for a function selector.
Can use both left hand or right had. This hand switchable function is very useful at contest, keying by left hand and writting by right hand. Recentry, I use computer keybords for contest, instead this function...
Also useful mode is for contenuous high speed dot mode. This enabled me no tunning problem. I can tune final capacitor of transmitter till I will be satisfied.
I made this electronics keyer againist for any scines.

Right hand side of the picture is MY HORNERD VIBROPLEX "Original"

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