9 ENGLISHFUNCTIONALDESCRIPTIONCAUTION: Always be sure that the toolis switched off and the battery cartridge isremoved before adjusting or checking func-tion on the tool.Installing or removing batterycartridgeCAUTION: Always switch off the toolbefore installing or removing of the batterycartridge.CAUTION: Hold the tool and the batterycartridge firmly when installing or removingbattery cartridge. Failure to hold the tool andthe battery cartridge firmly may cause them toslip off your hands and result in damage to thetool and battery cartridge and a personal injury.123► 1. Red indicator 2. Button 3. Battery cartridgeTo remove the battery cartridge, slide it from thetool while sliding the button on the front of thecartridge.To install the battery cartridge, align the tongueon the battery cartridge with the groove in thehousing and slip it into place. Insert it all the wayuntil it locks in place with a little click. If you cansee the red indicator on the upper side of thebutton, it is not locked completely.CAUTION: Always install the batterycartridge fully until the red indicator cannotbe seen. If not, it may accidentally fall out ofthe tool, causing injury to you or someonearound you.CAUTION: Do not install the battery car-tridge forcibly. If the cartridge does not slidein easily, it is not being inserted correctly.Indicating the remaining batterycapacityOnly for battery cartridges with the indicator12► 1. Indicator lamps 2. Check buttonPress the check button on the battery cartridgeto indicate the remaining battery capacity. Theindicator lamps light up for a few seconds.Indicator lamps RemainingcapacityLighted Off Blinking75% to100%50% to75%25% to50%0% to25%Chargethebattery.The bat-tery mayhavemalfunc-tioned.NOTE: Depending on the conditions of useand the ambient temperature, the indicationmay differ slightly from the actual capacity.Tool / battery protection systemThe tool is equipped with a tool/battery protec-tion system. This system automatically cuts offpower to the motor to extend tool and battery life.The tool will automatically stop during operationif the tool or battery is placed under one of thefollowing conditions: