5Tips for maintaining maximum battery life1. Charge the battery cartridge before completelydischarged.Always stop tool operation and charge thebattery cartridge when you notice less toolpower.2. Never recharge a fully charged batterycartridge.Overcharging shortens the battery service life.3. Charge the battery cartridge with roomtemperature at 10 ゚ C - 40 ゚ C (50 ゚ F - 104 ゚ F).Let a hot battery cartridge cool down beforecharging it.FUNCTIONAL 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 cartridge123009204• Always switch off the tool before insertion orremoval of the battery cartridge.• To remove the battery cartridge, withdraw it fromthe tool while sliding the button on the front of thecartridge.• To insert the battery cartridge, align the tongue onthe battery cartridge with the groove in the housingand slip it into place. Always insert it all the wayuntil it locks in place with a little click. If you cansee the red part on the upper side of the button, itis not locked completely. Insert it fully until the redpart cannot be seen. If not, it may accidentally fallout of the tool, causing injury to you or someonearound you.• Do not use force when inserting the batterycartridge. If the cartridge does not slide in easily, itis not being inserted correctly.Switch action1009208CAUTION:• Before inserting the battery cartridge into the tool,always check to see that the switch triggeractuates properly and returns to the "OFF" positionwhen released.To start the tool, simply pull the switch trigger. Toolspeed is increased by increasing pressure on the switchtrigger. Release the switch trigger to stop.Lighting up the front lampCAUTION:• Do not look in the light or see the source of lightdirectly.1009209S H1009210Every time the light button on the switch panel ispressed, the light status is alternatively changed fromthe ON to the OFF and from the OFF to the ON.With the light button in the ON status, pull the switchtrigger to turn on the light. To turn off, release it and thelight goes out approximately 10 seconds after releasing.With the light button in the OFF status, even if the triggeris pulled, the lamp will not light on.1. Light button1. Lamp1. Switch trigger1. Red part2. Button3. Batterycartridge