PREPARATIONINSTALLING/ REMOVING THE (OPTIONAL) BATTERYPACKCAUTION● Do not short the battery terminals or dispose of the battery by fire.● Never attempt to remove the casing from the battery pack.● Install the battery pack after cleaning the battery pack contacts andthe transceiver terminals.● Before charging a battery pack that is attached to the transceiver,ensure that the safety catch is firmly closed. .● If the release latch is tilted and the battery packis not attached to the transceiver, return therelease latch to its original position using yourfinger.Release latch1 Match the guides of the battery pack with the correspondinggrooves on the upper rear of the transceiver, then firmly pressthe battery pack to lock it in place.Check that the release latch is firmly locked.2 Lock the safety catch to prevent accidentally pressing therelease latch and removing the battery pack.3 To remove the battery pack, lift the safety catch, press therelease latch, then pull the battery pack away from thetransceiver.123Release latchSafety catch14