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JB INDUSTRIES
• LDC-4000 Operating Manual • 630.851.9444 • [email protected]
MAINTENANCE
Batteries
Low Battery Indicator
Replace the four AA Alkaline batteries when the red Low Battery Indicator light on the front of the instrument is lit.
Installing Batteries
Remove screw located at the top center of the housing and remove battery door. Insert all four batteries into the
battery compartment in the same direction.
NOTE:
Reference the polarity mark on the inside of the battery door for proper battery installation.
Low Battery Indicator
Polarity Marks
Battery Door Screw
LDC-4000 Manual 1019.indd 6
LDC-4000 Manual 1019.indd 6
12/19/19 2:13 PM
12/19/19 2:13 PM
