Remove the top and bottom cover.
Loosen the 4 screws that tighen the front panel.
Pull the front panel forward, holding the upper part.
You will see a fan on the left.
At the bottom right of the fan, there are jumpers.
If you are supposed to do the extended and expanded tx/rx. You can Use one of the removed 0 ohm resitors it should be soldred at jump 48. Jumper 48 are the one in the lower left corner. Otherwise just do a small solder blop between the solder pads.
47 49 51 53
48 50 52 54
If you like to do the expand mod!
contiue.
Remove R52 to expand the RX frequency.
Remove R53 to expand the TX frequency.
Remove R54 to expand the features. (If you like this option.)
(Cross-band Repeat, SkyCommand, External Remote and etc.)
After the modification, it transmits:
1.705 - 30MHz, 49-54MHz, 142-152MHz, 420-450MHz.
You must perform ALL RESET by pressing and hold [A=B] key when you turn on the transceiver. (You will lose all the memory data).
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