15Basic OperationBasic OperationBasic OperationPreparationInstalling the Antenna1 Align the antenna with the antenna terminal on the main unit.Note Be sure to hold the thick root of the antenna when installing it.2 Turn the antenna clockwise until it is secured.Precaution Do not hold the upper part of the antenna when installing or removing it.Breaking of wire can occur inside the antenna. Do not transmit without installing the antenna. The transmitter circuit canbe damaged. When using an detachable antenna other than the supplied one or anyother external antenna, ensure that its SWR is adjusted to 1.5 or lower.Attaching the Supplied Belt Clip/Protective CapAttaching the Protective Cap1 Attaching the Protective CapIf you do not use the belt clip, attach the protective capto the belt clip attaching opening.Installing the Belt Clip1 Turn over the battery pack.2 Install the belt clip using the supplied screws (two).Precaution Be sure to use the supplied screws when installing the beltclip. Using any other screws can result in injury, damage toparts, and other troubles. Be sure to install the protective cap when the belt clip is notused.