8 ENGLISHChanging the impact force4123 5► 1. Hard 2. Soft 3. Reverse rotation auto stop mode4. Changed in three steps 5. ButtonYou can change the impact force in three steps: hard,soft, and Reverse rotation auto stop mode.This allows a tightening suitable to the work.Every time the button is pressed, the number of blowschanges in three steps.The function of Reverse rotation auto stop mode works only with pulling the trigger fully in counterclockwise toolrotation. When the bolt/nut gets enough loosened, the tool stops the impact and rotation.For approximately one minute after releasing the switch trigger, the impact force can be changed.Impact force grade displayedon panelMaximum blows Purpose Example of applicationHard 3,600 min -1 (/min) Tightening when force andspeed are desired.Assembling steel frames.Soft 2,000 min -1 (/min) Tightening when you need fineadjustment with small diameterbolt.Assembling furnitures.Reverse rotation auto stopmode3,600 min -1 (/min) Loosening with auto stopfunction.Disassembling bolts/nuts.NOTE: Reverse rotation auto stop mode is available only when the tool rotates counterclockwise. When rotatingclockwise in Reverse rotation auto stop mode, the impact force and speed are the same as Hard impact mode.NOTE: When all lamps on the switch panel go out, the tool is turned off to save the battery power. The impact forcegrade can be checked by pulling the switch trigger to the extent that the tool does not operate.NOTE: While pulling the switch trigger, the impact force grade cannot be changed.