43. Hold the tool firmly with both hands. Alwaysuse the side grip.4. Keep hands away from rotating parts.5. Do not leave the tool running. Operate the toolonly when hand-held.6. Do not touch the bit or the workpieceimmediately after operation; they may beextremely hot and could burn your skin.7. Some material contains chemicals which maybe toxic. Take caution to prevent dustinhalation and skin contact. Follow materialsupplier safety data.SAVE THESE INSTRUCTIONS.WARNING:MISUSE or failure to follow the safety rules stated inthis instruction manual may cause serious personalinjury. USD202-2SymbolsThe followings show the symbols used for tool.・ volts・ amperes・ hertz・ alternating current・ no load speed・ Class II Construction・ revolutions or reciprocation per minute・ number of blowFUNCTIONAL DESCRIPTIONCAUTION:• Always be sure that the tool is switched off andunplugged before adjusting or checking function onthe tool.Switch action12004359CAUTION:• Before plugging in the tool, always check to seethat the switch trigger actuates properly andreturns to the "OFF" position when released.• 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.To start the tool, simply pull the switch trigger. Toolspeed is increased by increasing pressure on the switchtrigger. Release the switch trigger to stop.For continuous operation, pull the switch trigger andthen push in the lock button.To stop the tool from the locked position, pull the switchtrigger fully, then release it.Lighting up the lampsFor Model HP1620F, HP1621F1004360CAUTION:• Do not look in the light or see the source of lightdirectly.To turn on the lamp, pull the trigger. Release the triggerto turn it off.1. Lamp1. Switch trigger2. Lock button