2a) 12 (_ VHF-MODULE Quick start) Installing the VHF-MODULE: IMPORTANT: Turn off and unplug the device that Carefully remove the cable from the plastic cover. the VHF-MODULE will be installed in. NOTE: Be sure that the cable does not fall back into Unscrew the plastic cover from the expansion port. the unit. It may be necessary to temporarily secure the cable to the unit with a small piece of tape to prevent it from falling back into the unit.