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AERONUTS
You may want to mark these connections to assure that you return them to the
proper locations on the 4in1 during reassembly.
Gently twisting the 4in1 unit will often be enough to get the double sided adhesive
tape that holds it in place to release. If not, gently working at the tape joint with a
razor blade or flathead screwdriver should allow for separation.
Set the 4in1 and antenna aside. This would be a good time to ventilate the plastic
case of your 4in1 to reduce tail drift.
To disassemble the 4in1, so that you can ventilate the case without damaging the
electronics, first remove the RX crystal.
Remove the two small screws on the back of the 4in1 case.
Use a precision flathead screwdriver to gently push the two small retaining tabs on
the opposite end of the 4in1 case.