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To manually initiate a memory tuning cycle, press and hold the
TUNE
button for 0.5 to 2.5
seconds, and then release. The outer two front panel LEDs will light up to indicate that a
memory tuning cycle is requested.
If you are using the ICOM or Yaesu radio interface cable, the radio will automatically reduce
power, switch to CW mode, and transmit for as long as is required to complete the tuning cycle,
and then will return to the previous operating mode and power level when completed.
If you are not using the ICOM or Yaesu radio interface cable, you will need to key the radio
manually. In SSB or AM mode, begin talking into the microphone. Hold down the code key on
CW. Note that if your radio does not incorporate an SWR rollback circuit
3
, you will first need to
reduce power to 25 watts or less. In no case should you transmit more than 125 watts.
If the memory tune is not successful, the Z-11ProII falls through to full tuning cycle. At the
end of a tuning cycle, the LEDs cycle inwards to indicate a successful tune.
If using the Z-11ProII with an ICOM transceiver connected with the optional ICOM interface
cable, pressing the TUNER/CALL button on the transceiver will also initiate a memory tuning
cycle.
Manual Full Tuning
As with the memory tuning cycle, if your radio is not equipped with a rollback circuit, reduce
power to 25 watts or less before tuning. To manually initiate a full tuning cycle, press and hold
the
TUNE
button for more than 2.5 seconds and then release. The outer two front panel LEDs
will light up, then the inner two LEDs will light, to indicate that a full tuning cycle is requested.
3
An SWR rollback circuit automatically reduces the output power level when high SWR is present. Check your
radio’s manual to see if your radio uses a rollback circuit.
Summary of Contents for Z-11ProII
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