Ok i think the issue is the way ive soldered it, i ended up taking the wires off and redoing plus moved the aerial wire so it wasnt touching anything metal and appears to work but havent tried it properly.
Ive just bought another exerd for £5.50 that im having for spares just in case. Ive done a picture of installed and will upload. Picture shows the bind button thru the crystal section which needs trimming the back case inside but as the circuit board is so close make sure electrical tape is used on the big board and double side the bind board to that.
However i ended up feeding the wire on the other side of the battery box as i thought id shorted it by placing it over the crystal holder, but now doubt it. I had taped to the inner side of the side sections as the button and light portrudes through with easy access but the battery cannot hit it as its protected by the two side secrions. Hope i make sense.
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