245BATTERY CASE12345678910111213141516■ Optional battery case (BP-240)When using the optional battery case attached to the trans-ceiver, install 6 × AAA (LR03) size alkaline batteries as illus-trated to the right.q Unhook the battery cover release hook (q), and open thecover in the direction of the arrow (w). (Fig.1)w Then, install 6 × AAA (LR03) size alkaline batteries.(Fig.2)• Install alkaline batteries only.• Be sure to observe the correct polarity.e Fit the cover in the direction of the arrow (e), and close(r). Then, push the battery cover release hook until itmakes a ‘click’ sound (t). (Fig.3)CAUTION:• When installing batteries, make sure they are all thesame brand, type and capacity. Also, do not mix new andold batteries together.• Keep battery terminals clean. It’s a good idea to occa-sionally clean them.• Never incinerate used battery cells since internal batterygas may cause them to rupture.• Never expose the detached battery case to water. If the bat-tery case gets wet, be sure to wipe it dry before using it.NOTE: When the optional battery case is attached, the“DRY BATT” battery type must be selected when turningthe power ON. (p. 11)qBP-240wFig.1Fig.2Fig.3ert