219BATTERY CHARGING Installing batteries in thebattery case (optional buttery case)When using a battery case attached to the transceiver, install5 × AA(R6) size alkaline batteries as illustrated below.q Hook on your finger to thelatch, and open the cover inthe direction (q) of the arrow.(Fig.1)w Then, install 5 × AA(R6) sizealkaline batteries. (Fig.2)• Be sure to observe the cor-rect polarity.• Do not pin the ribbon underthe batteries.e Close the cover with fitting inthe direction (w) of the arrowand lock the latch e. (Fig.1)• Be sure to the gasket andthe ribbon are not out ofthe battery case.CAUTION:• When installing batteries, make sure they are all thesame brand, type and capacity. Also, do not mix newand old batteries together.• Keep battery contacts clean. It’s a good idea to cleanbattery terminals once a week.qw eBP-226 Latch(Fig.1)(Fig.2)ï Charging connectionsq Attach the BC-152 to a flat surface, such as desk or cabin, etc., ifdesired.w Connect the AC adapter (BC-147) as shown below.e Insert the battery pack with/without the transceiver into the charger.• The charge indicator lights green.r Charge the battery pack approx. 9–10 hours, depending on the re-maining power condition.CAUTION: DO NOT charge BP-227 more than 13 hours.Otherwise, BP-227 will be damaged. BP-227 must be chargedfor 9–12 hours only. BC-152 charges up to 13 hours.AC adapter BC-152BP-227 IC-M88Supplied screwsCharge indicator lightsgreen when BP-227(with/without IC-M88)is inserted.