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When trying to transmit on any Frequency outside the amateur
frequencies, R4020/R4030 will not allow transmitting, the display will sho
TX ERROR flashing.
Tune Function with paddles.
Turn power switch to off position, While holding down the "dash" paddle
turn the power switch to the on position.
The letter "M" in Morse code
will be heard.
Pressing the "Dot" paddle causes the radio to have a continuous
emission.
This can be used to tune an external tuner or to check SWR.
When you are finished tuning, turn power switch off and on again to
activate the paddles for normal operation.
Battery Installation
Make sure the power switch is in the off position.
Using the supplied "AA" Battery packs and connector with cable.
Wire the packs in series.
The packs should be wired so that the black wire from one pack connects
to the outside pin of J2 (Pin 1)that is closest to the board edge.
The red wire from the other pack connects to the J2 (Pin 2)the pin
furtherest from the board edge.
Now connect the remaining red and black wires from the two packs together.
Care should be taken to mount the flat side of the battery packs to the
transceiver bottom panel with double sided tape.
Insulate your connections with heat shirnk tubing, install batteries and
verify that 12 volts is present to connector J2.
Make sure the power switch is in the off position.
Plug the connector into J2 and turn the power switch to ON and verify
the power supply voltage on the display.
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