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UT501/UT502 OPERATING MANUAL
Caution
Donít mix to use old and new batteries.
Be careful the polarity is correct when installing batteries.
Danger
Make sure the battery compartment is closed before using the Meter
Follow Figure 4 and proceed as follows to replace the battery:
Turn the Meter to OFF and remove all connections from the terminals.
Remove the screw from the battery compartment, and separate the battery
compartment from the case bottom.
Replace with 6pcs of new 1.5V (LR14) batteries.
Rejoin the case bottom and battery compartment, and reinstall the screw.