Hints and Kinks for the Radio Amateur | Manualzz
2019-9-17 · Connect one relay-solenoid (KIA) terminal to 12 V de at the C355 side of R372, and connect the remaining KIA terminal to the center contact of SW3. Install a IN4000-series diode across the solenoid terminals, cathode to .the solenoid's 12-Vsupply end. Connect the appropriate SW3 contact to the adjacent ground lug.
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