English 7 STEP 4:Connect garden hose to the cold wa-ter source and turn water on com-pletely. STEP 5:Plug the Ground Fault Circuit Inter-rupter (GFCI) into a working outlet.We recommend that you test the GFCI aspart of your startup procedure each timeyou use your pressure washer. To learnhow to peform this test on your unit, visithttp://www.karcherresidential.com/gfci_test.php for detailed instructions foryour type of GFCI. WARNINGDo not use if above test fails.Note: The actual appearance of the GFCImay be different from this illustration. STEP 6:Unlock the trigger gun safety lock.Trigger the gun to eliminate trappedair, wait for a steady flow of water toemerge from the spray nozzle. STEP 7:Turn on the high pressure washer (I/ON).The motor starts only if the triggerof the gun is pulled and shuts offwhen the trigger is released. WARNINGTo avoid serious injury never pointspray nozzle at yourself, other per-sons or animals.Always test an inconspicuous areabefore cleaning with high pressure. The Vario Power Spray Wand allowsyou to adjust the cleaning pressure.To clean at maximum pressure, thewand must be positioned to the highpressure setting (Max).For reduced pressure turn the wandcollar in the „Min“ direction.To apply detergent, the wand mustbe positioned to the low pressuresetting (Mix).USING THE ACCESSORIESVario Power Spray Wand