Insert rapidly the wire into the sleeve hole- the yellow indicator"D" should flash and the red indicator"DM " should ignite for good
Clear"DM" indicator by switching off and switch on the tester,
Change sensitivity level for5.5 and pull out rapidly the wire-only the green indicator "OK" remain ON (the yellow should not flash and the red "DM" must be off
if during the test, the indicator"LB" will ignite and recharging of batteries(or their replacement) does not give a positive result,next operation should be done according to chapter 11