MFJ-464 Instruction Manual CW Keyer/Reader
10
Freeze Reader Buffer [MODE] + [MSG4]
Press and hold the Mode button and within two seconds press the MSG42 button to freeze the
reader buffer.
Pulse Tune [MODE] + [DIT]
Press and hold the Mode button and within two seconds tap the Dit paddle to engage the pulse
tune mode. The keyer will send a continuous string of pulses to tune your station. The rate
(speed of 50 to 99 WPM) and the duty cycle (weight of 1% to 35%) of the pulses can be adjusted
with the message buttons. Press MSG1 button to decrease speed and MSG2 button to increase
speed. Press MSG3 button to decrease weight and MSG4 button to increase weight. Press Mode
button, either paddle or the ESC key to exit.
Carrier Tune [MODE] + [DAH]
Press and hold the Mode button and within two seconds tap the Dah paddle to engage the carrier
tune mode. The keyer will key continuously to tune your station. Press any button, paddle or
key to exit.
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