HD-10 keyer with SB-104A

[Michael Waldrop]

Have you tried swapping the Keyed Line and Ground connections on the rear
terminal strip of the HD-10? How does the SB-104 respond with other keyers?
Does it act the same way?

I've had to swap the Keyed Line and Ground connections on the rear terminal
strip of an HD-10 in the past to get it to work with some non-Heathkit
transmitters. The maximum keying voltage is 105vdc at 35ma.

73's

Mike
W5RKL

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