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UT207A/208A/209A Operating Manual
1. Insert the red test lead into the VΩHz terminal and black test lead into the
COM terminal.
2. Set the rotary switch to
mode. For forward voltage drop readings on any semiconductor component,
place the red test lead on the component's anode and place the black test
lead on the component's cathode. The LCD will display OL indicating diode
being tested is open or polarity error display.
Note
● To obtain a more precise reading, you could remove the objects being tested
from the circuit when measuring.
● To avoid harms to you or damages to the Meter from eletric shock, do not
attempt to input voltages higher than 33V AC or 70V DC.
● When diode testing has been completed, disconnect the connection between
the testing leads and the circuit under test and remove testing leads from the
input terminals.
. Press SELECT to switch to
23
m easurement
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