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Step 4: ATU Jumper –
Cut a 1.25” (32mm) section of #18 Teflon wire (from LPF board Step #14) strip the
ends and create a jumper from the RF pin of ATU-IN to the RF pin of ATU-OUT. Tighten the screws in the
terminal blocks.
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Step 5: Mounting Hardware –
Install the 12 jack screws (red), the #4-40 ¼” M-F threaded spacer and the
#4 hex nut (yellow) on the board. Each jack screw has a flat washer, lock washer and nut:
