7FUNCTIONAL DESCRIPTIONCAUTION:• Always be sure that the tool is switched off and thebattery cartridge is removed before adjusting orchecking function on the tool.Installing or removing battery cartridge123015079CAUTION:• Always switch off the tool before installing orremoving of the battery cartridge.• Hold the tool and the battery cartridge firmlywhen installing or removing battery cartridge.Failure to hold the tool and the battery cartridgefirmly may cause them to slip off your hands andresult in damage to the tool and battery cartridgeand a personal injury.To 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 cartridge fully until thered indicator cannot be seen. If not, it mayaccidentally fall out of the tool, causing injury toyou or someone around you.• Do not install the battery cartridge forcibly. If thecartridge does not slide in easily, it is not beinginserted correctly.Indicating the remaining battery capacity(Only for battery cartridges with "B" at the end of themodel number.)12015676Press the check button on the battery cartridge toindicate the remaining battery capacity. The indicatorlamps light up for few seconds.Off BlinkingLightedIndicator lampsCharge thebattery.0% to 25%25% to 50%50% to 75%75% to 100%RemainingcapacityThe batterymay havemalfunctioned.015658NOTE:• Depending on the conditions of use and theambient temperature, the indication may differslightly from the actual capacity.Switch actionCAUTION:• Before installing the battery cartridge into the tool,always check to see that the slide switch actuatesproperly and returns to the "OFF" position whenthe rear of the slide switch is depressed.• Switch can be locked in "ON" position for ease ofoperator comfort during extended use. Applycaution when locking tool in "ON" position andmaintain firm grasp on tool.1. Indicator lamps2. CHECK button1. Button2. Red indicator3. Battery cartridge