, 0N-OFF SWITCH.The on-off switch is shaped to make turning it "ON"accidentally less likely.In an emergency, it can be turned "OFF" by strikingit with the palm of the hand.The "yellow button" is a key. When it is inserted inthe switch lever, the power may be turned ON and0FE When it is removed, the power cannot be turnedON.THIS FEATURE IS INTENDEDTO HELP PREVENTUNAUTHORIZED AND POSSIBLE HAZ-ARDOUS USE BY CHILDREN AND OTHERS,a. Insert Key into switch. NOTE: Key is made of yellow plastic.b. To turn the tool on, insert your finger under theswitch lever and pull the end of the switch out.C,i ii1_To turn the tool OFF _.. PUSH the lever in.Never leave the machine unattended until it hascome to a complete stop.d, To lock the switch in the OFF position.., holdthe switch IN with one hand ... REMOVE thekey with the other hand.WARNING: FOR YOUR OWN SAFETY, ALWAYSLOCK THE SWITCH "OFF" WHEN MACHINE IS NOTIN USE... REMOVE KEY AND KEEP IT IN A SAFEPLACE.., ALSO . .. IF THE TOOL STOPS UNEX-PECTEDLY, TURN SWITCH OFF . . . AND REMOVETHE KEY. THIS WILL PREVENT THE MACHINEFROM STARTING UP AGAIN WHEN THE POWERCOMES BACK ON.21