Icom F9011 / F9021 Instruction Manual - Page 26

5 BATTERY CASE ■ Optional battery case (BP-237) The optional battery case uses 6 × AA (LR6) size alkaline batteries. The battery case offers low output power. q Hook your finger under the latch, and open the cover in the direction of the arrow (q). (Fig.1) w Then, install 6 × AA (LR6) 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 Close the cover by fitting in the direction of the arrow (w) first, then check the latch is in place (e). (Fig.1) • Be sure the gasket is set correctly, and do not protrude from the battery case. (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. 21 Fig.1 BP-237 q Latch w e Fig.2 Fig.3 Gasket