Take the tracker and belt pack.
Carefully push the barrel connector into the belt pack, matching up the white arrows as shown
Place the tracker centrally on the back of the hmd as shown and press down to click it into place
Plug the belt pack into the cable mounted in the HMD umbilical.
Use cable ties to tidy the cables together and cut the ends off the cable ties
Plug the tracker cable into port 1 on the is900 base unit (black cable tie)
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