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Remove battery
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Remove the (3) small black screws.
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Carefully open the radio, spliting the radio front and rear cases
Looking down inside of the top left side of the radio (left of rotary
encoder) , locate and ADD Solder to jumpers "0" and "1"
(jumper "0" is the top jumper and jumper "1" is below it)
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Assemble radio.
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Press and hold [M/V] and [AR] keys while turning on the radio.
Modification Complete
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