8 ENGLISHCAUTION: 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.CAUTION: Be sure to lock the cover beforeoperating.Tool / battery protection systemThe tool is equipped with a tool/battery protection sys-tem. This system automatically cuts off power to themotor to extend tool and battery life. The tool will auto-matically stop during operation if the tool or battery isplaced under one of the following conditions:Overload protectionWhen the battery is operated in a manner that causesit to draw an abnormally high current, the tool automat-ically stops without any indication. In this situation, turnthe tool off and stop the application that caused the toolto become overloaded. Then turn the tool on to restart.Overheat protectionWhen the tool is overheated, the tool stops automati-cally and the battery indicator blinks. In this situation, letthe tool cool down before turning the tool on again.On BlinkingOverdischarge protectionWhen the battery capacity is not enough, the tool stopsautomatically. In this case, remove the battery from thetool and charge the battery.Indicating the remaining battery capacityOnly for battery cartridges with the indicator12► 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 a 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.Indicating the remaining batterycapacityNOTICE: The battery indicator does not lightwhen the power switch is in OFF position. Tocheck the remaining battery capacity, turn thepower switch to high or low pressure mode.Press the check button to indicate the remaining batterycapacities. The battery indicators correspond to eachbattery.1 2 1► 1. Battery indicator 2. Check button