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Resistance Measurements; Continuity Check - Craftsman 82141 Owner's Manual

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RESISTANCE MEASUREMENTS

WARNING: To avoid electric shock, disconnect power to the unit under
test and discharge all capacitors before taking any resistance
measurements. Remove the batteries and unplug the line cords.
1. Set the function switch to the highest Ω position.
2. Insert the black test lead banana plug into the
negative (COM) jack
Insert the red test lead banana plug into the
positive Ω jack.
3. Touch the test probe tips across the circuit or part
under test. It is best to disconnect one side of the
part under test so the rest of the circuit will not
interfere with the resistance reading.
4. Read the resistance in the display and then set
the function switch to the lowest Ω position that is
greater than the actual or any anticipated resistance. The display will
indicate the proper decimal point and value.

CONTINUITY CHECK

WARNING: To avoid electric shock, never measure continuity on
circuits or wires that have voltage on them.
1. Set the function switch to the
2. Insert the black lead banana plug into the negative (COM) jack
Insert the red test lead banana plug into the positive (Ω) jack.
3. Touch the test probe tips to the circuit or wire you wish to check.
4. If the resistance is less than approximately 30Ω, the audible signal will
sound. If the circuit is open, the display will indicate "1".
position.
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