5 ENGLISHTo remove the battery cartridge, slide it from the toolwhile sliding the button on the front of the cartridge.To install the battery cartridge, align the tongue on thebattery cartridge with the groove in the housing and slipit into place. Insert it all the way until it locks in placewith a little click. If you can see the red indicator on theupper side of the button, it is not locked completely.CAUTION: Always install the battery cartridgefully until the red indicator cannot be seen. If not,it may accidentally fall out of the tool, causing injury toyou or someone around you.CAUTION: Do not install the battery cartridgeforcibly. If the cartridge does not slide in easily, it isnot being inserted correctly.Battery protection systemLithium-ion battery with star marking1► 1. Star markingLithium-ion batteries with a star marking are equippedwith a protection system. This system automaticallycuts off power to the tool to extend battery life.The tool will automatically stop during operation if thetool and/or battery are placed under one of the followingconditions:Overloaded:The tool is operated in a manner that causes it to drawan abnormally high current.In this situation, turn the tool off and stop the applicationthat caused the tool to become overloaded. Then turnthe tool on to restart.If the tool does not start, the battery is overheated. Inthis situation, let the battery cool before turning the toolon again.Low battery voltage:The remaining battery capacity is too low and the toolwill not operate. In this situation, remove and rechargethe battery.Indicating the remaining batterycapacityOnly for battery cartridges with "B" at the end of themodel number12► 1. Indicator lamps 2. Check buttonPress the check button on the battery cartridge to indi-cate the remaining battery capacity. The indicator lampslight up for few seconds.Indicator lamps RemainingcapacityLighted Off Blinking75% to 100%50% to 75%25% to 50%0% to 25%Charge thebattery.The batterymay havemalfunctioned.NOTE: Depending on the conditions of use and theambient temperature, the indication may differ slightlyfrom the actual capacity.Switch actionCAUTION: Before installing the battery car-tridge into the tool, always check to see that theswitch trigger actuates properly and returns tothe "OFF" position when released.NOTICE: Do not use the lock/speed change leverwhile the tool is running. The tool may be damaged.