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2 SSB RADIOTELEPHONE
2-9
2.5 When Automatic Tuning Fails
The antenna coupler automatically tunes a wire or whip antenna to the transceiver. When
all frequencies cannot be tuned, TUNE OK will not appear on the display. In this case, you
can tune 2182 kHz by manually operating the coupler as shown in the procedure below.
DANGER
HIGH TENSION HAZARD
DO NOT TRANSMIT WHEN
THE ANTENNA COUPLER
IS OPEN.
1. Turn off the control unit. Remove the cover of the antenna coupler.
2. Set the MANUAL-AUTO switch to the MANUAL position.
COUPLER BOARD
DUMMY
LOAD
BOARD
MANUAL AUTO
3. Replace the cover.
4. Turn on the control unit.