- 12 -- 12 -Hammering/Drilling SwitchingLeverNOTE: Operate the mode change afterthe motor rotation is completelystopped.Position ofswitching lever Action mode OperationRotation withhammeringConcreteDrilling,Block DrillingRotation onlyScrewFastening,DrillingClutch Torque SettingAdjust the torque to one of the 5 clutchsettings or “ ” position.CAUTION:Test the setting before actual operation.Set the scale at this mark ( ).Variable Speed Control TriggerTo set the center of a hole, pull thetrigger slightly to start the drill rotationslowly.The more the speed control trigger ispulled, the higher the speed becomes.CAUTION:When operating the tool by pulling thetrigger, there may be a momentary lagbefore rotation starts. This does notsignal a malfunction.• This lag occurs as the tool’s circui-try starts up when the trigger ispulled for the first time after instal-ling a new battery pack or after thetool has not been used for at least 1minute (or at least 5 minutes whenthe LED is on). Rotation will startwithout any lag during second andsubsequent operations.Control Panel(1)(3)(2)(1) LED lightBefore the use of LEDlight, always pull thepower switch once.Press the LED lighton button.The light illuminates withvery low current, and itdoes not adversely affectthe performance of thetool during use or itsbattery capacity.CAUTION:• The built-in LED light is designed toilluminate the small work areatemporarily.• Do not use it as a substitute for aregular flashlight, since it does nothave enough brightness.• LED light turns off when the toolhas not been used for 5 minutes.Caution : DO NOT STARE INTO BEAM.Use of controls or adjustments or performanceof procedures other than those specified hereinmay result in hazardous radiation exposure.(2) Overheat warning lampOff(normaloperation)Illuminated:Overheat(motor)Flashing:Overheat(battery)Indicates operation hasbeen halted due to motoror battery overheating.To protect the motor or battery, besure to note the following when carry-ing out this operation.● If the motor or battery becomes hot,the protection function will beactivated and the motor or batterywill stop operating. The overheatwarning lamp on the control panel