Midtronics MDX-655P - Replacing the Battery

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Replacing the Battery
The tester can test down to 5.5 volts when the unit’s internal batteries are not
functioning. The tester displays LOW INTERNAL AA BATTERIES, REPLACE AA
BATTERIESSOON! when the internal AA batsteries need to be replaced.
NOTE:Setupinformationwillberetainedwhileyouchangetheinternalbatteries.
Use the following procedure to remove and replace the internal AA batteries.
1. Turn the tester face down.
2. Remove the screw securing the battery compartment cover using a small
Phillips screwdriver.
3. Lift the door o and remove the discharged battery.
4. Insert fresh AA batteries making sure the positive and negative terminals
are positioned correctly.
5. Reposition the cover and tighten the screw.