22PreparationPreparing the Battery Pack/External Power SupplyInstalling/Removing the Battery PackInstalling the Battery Pack1 Insert the bottom tabs of the battery pack in the slotson the back side lower part of the transceiver.2 Push the battery in until the battery latches clicksecurely.CautionCharge the battery pack before using the transceiver for the firsttime after purchase, or when it has not been used for a longperiod time.CautionRisk of explosion if battery is replaced by an incorrect typ.Dispose of used batteries according to the instructions.Removing the Battery Pack1 While pressing down the latches, remove the batterypack.Press the latches down in the direction of the arrowsas shown in the illustration.CautionWhen releasing the battery latches, be careful not to hurt yourfingers and nails.Charging the Battery PackCautionsy The battery pack is rechargeable about 300 times. However, improper use such as overcharge orover-discharge can shorten its service life.y The battery pack is a consumable item. Recharging the battery pack repeatedly will gradually reducethe charge capacity and duration of its use.y If the transceiver is not used for a long period of time with the battery pack installed, deterioration ofthe battery pack can accelerate.y If the transceiver is unused for a long period of time, be sure to store it with the battery pack removed.When the transceiver and battery are stored for an extended period, install the battery pack biannuallyand recharge the battery pack about 50% to prevent it from over-discharging.y Storing the battery pack in a high-temperature environment can accelerate deterioration. Store thebattery pack in a place where the ambient temperature is −20 °C to +50 °C (−4 °F to +122 °F).y Be careful not to drop or strongly impact the battery pack. It can break.Battery latchesPress down on the latchesin the direction of the arrow.
