Modifications

1) Remove covers.
2) Locate a small PC board on the right side near the front.
3) There is a set of pins with a jumper over pin 1 & 2.
4) Remove this jumper and place it on pins 3 and 4.
5) Close up the radio and turn it on.

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Adjustments

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RV4 = AM/FM power
RV5 = AMC control
RV6 = ALC control
RV7 = Transmit Meter adjustment