Antenna tuning function
Press CQ/SET button and hold about two seconds ,you can
hear the Morse code letter “S”,continue to hold down the CQ/SET
button until you hear the letter “I”,continue to hold down the
CQ/SET button until you hear the letter “T”,then release the
CQ/SET button.Push the paddle to the DOT side to send continued
carrier, then push to the DASH side to end. When complete, press
CQ/SET lightly to exit
Reset
This operation will reset the 30 frequency memory to its original value.
And, you need a frequency meter to calibrate the frequency of DDS.
Turn-off power, Simultaneously press both V/M/SAV and the
RIT/MOD, turn-on power, holding down the two keys until you seethe
LCD display like this, then release the keys.
A few seconds after entering the DDS calibration state, the LCD
display will show below:
Testing the frequency at DDS testing point with a frequency
meter,Adjust the frequency with tuning-knob, Until the frequency of
reading is the same as the LCD display. Press the RIT/MOD button to
exit. Push V/M/SAV to finish.
Adjust VR2 for DC voltage display on LCD screen if needed.
Adjust VR1 for the sidetone audio level
Adjust VR3 for the screen contract level
Adust VC1 for the side tone if off 700Hz.
Summary of Contents for HB-1B MK3
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