Icom IC-F3021 / F4021 Instruction Manual - Page 25

5 BATTERY CASE I Optional battery case (BP-240) When using the optional battery case, install 6 × AAA (LR03) size alkaline batteries as illustrated at right. q Unhook the battery cover release hook (q), and open the cover in the direction of the arrow (w). (Fig.1) w Then, install 6 × AAA (LR03) size alkaline batteries. (Fig.2) • Install the alkaline batteries only. • Be sure to observe the correct polarity. • Do not pin the ribbon under the batteries. e Fit the cover in the direction of the arrow (e), then close (r). And hook the battery cover release hook until it makes a 'click' sound (t). (Fig.3) CAUTION: • When installing batteries, make sure they are all the same brand, type and capacity. Also, do not mix new and old batteries together. • Keep battery contacts clean. It's a good idea to clean battery terminals once a week. • Never incinerate used battery cells since internal battery gas may cause them to rupture. • Never expose a detached battery case to water. If the battery case gets wet, be sure to wipe it dry before using it. NOTE: When the optional battery case is attached, the battery type must be selected to "DRY BATT" when turning the transceiver ON. (p. 10) Fig.1 Fig.2 Fig.3 w BP-240 4 5 q e r t 21