15Basic OperationBasic OperationPreparationInstalling the Antenna1 Align the antenna with the antenna terminal on the transceiver.Caution Be sure to hold the thick base of the antenna when installing it.2 Turn the antenna clockwise until it is secured.Cautions Do not hold the upper part of the antenna when installing or removing it. Todo so, the wire inside the antenna may break. Do not transmit without installing the antenna. The transmitter circuit canbe damaged. When using an antenna other than the accessory or any other externalantenna, ensure that its SWR is adjusted to 1.5 or lower.Attaching the Accessory Belt Clip/Protective CapAttaching the Protective Cap1 Attach the protective capIf you do not use the belt clip, attach the protective capto the belt clip attaching screw holes on the batterypack.Attaching the Belt Clip1 Turn over the battery pack.2 Attach the belt clip to the battery pack using thesupplied screws (two).Cautions Be sure to use the supplied screws when attaching thebelt clip. If any other screws are used. the belt clip cannotbe secured firmly to the battery pack and the transceivermay drop off together with the battery pack, causing injury,breakage and other troubles. Be sure to attach the protective cap when the belt clip is notused.