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MFJ Enterprises MFJ-422B Owner's Manual

Electronic keyer paddle

Table of Contents

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Page 2 INSTALLATION FOR MFJ-422B (KEYER WITH PADDLE) If you purchased the MFJ-422B (Keyer with Paddle), the keyer will come factory installed on the paddle and the only connections necessary will be to your transmitter and power supply if used. If battery operation is desired, remove the rubber foot on the bottom rear of the paddle and screw holding the plastic wire clamp from the bottom center of the paddle.
Page 3 4. Solder the red wire in the cable from the MFJ-422B-X to the solder lug on the dot post of the paddle and the white wire to the solder lug on the dash post.
Page 4 OPERATION After proper connection of the MFJ-422B/422B-X you are ready for operation. Rotate the VOLUME control clockwise to turn power on as indicated by the LED light. Start sending with the paddle and adjust the VOLUME, SPEED, TONE, and WEIGHT controls to your preference. (NOTE: If a steady tone at high speed occurs, reduce the WEIGHT or the SPEED by turning the respective control counter-clockwise.)

Mfj-422b-x