Prokit's Industries MT-1620 - Manual (Page 33)

4.13 RESISTANCE MEASURING
WARNING
When measuring in-circuit resistance, be
sure the circuit under test has all power
removed and that all capacitors have been
discharged fully.
4.13.1 Connect the black test lead to the COM jack
and the red test lead to the  jack.
4.13.2 Set the transform switch at the 
range position.
4.13.3 Put down the "FUNC." to enter the 
measurement. Auto range or manual range
can be transformed by putting the
“RANGE”.
4.13.4 Connect test leads across the resistance
under measurement.
4.13.5 You can get reading from LCD.
NOTE:
 When only the figure ‘OL’ is displayed, it
indicates overrange situation and the higher
range has to be selected.
 When the input is not connected, i.e. at open
circuit, the figure ‘1’ will be displayed for the
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