8 ENGLISHSwitch action► Fig.5: 1. Switch triggerCAUTION: Before installing the battery car-tridge into the tool, always check to see that theswitch trigger actuates properly and returns tothe "OFF" position when 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.The trigger can be locked off to prevent it from beingpulled accidentally. To lock the trigger off, press thebutton from the side with marking. To unlock, pressthe button from the side with marking.► Fig.6: 1. Lock-off buttonCAUTION: Always lock the tool off whencarrying or suspending the operation.Adjusting depth of cutThe cutting depth corresponds with the scale on theblade. Loosen the screw on the blade holder until theblade can move freely. Align the scale on the blade withthe bottom line of the blade holder. Then tighten thescrews.► Fig.7: 1. Cutting depth 2. Bottom line of the bladeholder 3. Scale on the bladeThe maximum cutting depth depends on the type ofthe saw blade. Always use the saw blade designed forcutting the working material.Type of saw blade Max. cutting depthFor drywall 30 mmFor wood 15 mmLED lightCAUTION: Do not look in the light or see thesource of light directly.Pull the switch trigger to light up the lamp. The lampkeeps on lighting while the switch trigger is being pulled.The lamp goes out approximately 10 seconds afterreleasing the trigger.► Fig.8: 1. LampNOTE: Use a dry cloth to wipe the dirt off the lens ofthe lamp. Be careful not to scratch the lens of lamp, orit may lower the illumination.ASSEMBLYCAUTION: Always be sure that the tool isswitched off and the battery cartridge is removedbefore carrying out any work on the tool.Removing the dust collectorCAUTION: Never operate the tool without thedust collector. Dust may come into your eyes andcause eye injury.To remove the dust collector, hold the tool handle andpull back the tabs on the tool. Be sure to pull the tabs onthe both sides at the same time.► Fig.9: 1. TabWhen installing, align the dust collector's edge with thegroove on the base.► Fig.10: 1. GrooveReplacing drywall saw bladeCAUTION: Always clean out all chips or for-eign matter adhering to the blade and/or bladeholder. Failure to do so may cause insufficient tight-ening of the blade, resulting in a serious personalinjury.CAUTION: Do not touch the blade or theworkpiece immediately after operation. They maybe extremely hot and could burn your skin.CAUTION: Make sure that the blade is prop-erly secured. Insufficient tightening of the blade maycause blade breakage or serious personal injury.1. Remove the dust collector.2. Remove the bolts on the blade holder with the hexwrench.► Fig.11: 1. Bolts 2. Blade holder 3. Blade3. Set a new blade as shown in the figure. Make surethat the curved edge of the blade points forward. Fit theprotrusion of the blade holder into the slot on the blade.► Fig.12: 1. Slot 2. Protruded portion (opposite side)4. Adjust the cutting depth then tighten the bolts.5. Attach the dust collector.Installing snap-off bladeCAUTION: Always use the snap-off blade withdesignated length, width, and thickness. An inap-propriately installed snap-off blade can be broken. Abroken blade can fly off and cause a personal injury.A snap-off blade can also be used with this tool. Use 3segments of 18 mm wide snap-off blade with 0.5 mmthickness. The maximum cutting depth is 12.5 mmwhen cutting a drywall.► Fig.13: 1. Three segments of snap-off blade1. Loosen the bolts on the blade holder. Turn theblade holder so that its protrusion faces outward.2. Insert the snap-off blade so that the sharp edgefaces forward.3. Secure the snap-off blade at the position wherethe end of the first segment comes to the edge of bladeholder as illustrated.► Fig.14: 1. Blade holder 2. End of the first segmentof snap-off blade 3. Allowable cutting length