1) Remove the antenna and batteries.
2) Next take out the 2 screws on the top and the 2 in the battery case.
4) Pull the radio halves apart.
5) Then remove the 1 screw that holds the rest of the battery tray in.
6) Pull up on the PC board carefully, now you see where the other PC Board is

Close-up

7) Unsolder the small tin shield next to the CPU.

Close-up

8) Now you see the 2 chip resistors?  Remove them with a small tip iron.
9) Jump the othere 2 pads that are empty.(RED)

Close-up

10)Now put the radio back together.
11)Turn it on and you now have the typical export 120 channel operation.
12)Changing to the low and high channels is done by pressing the EMG button on front.

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High Channels____________________Low Channels

This will provide 40 normal CB channels, plus 40 channels above and 40 channels below the standard channels. Coverage from 26.515 MHz to 27.855 MHz.