Replacing The Battery; Battery Installation - Bosch MMD 540H Instruction Manual

30 | MMD 540H Hybrid Multimeter | Maintenance
Maintenance

Replacing the Battery

WARNING: To avoid electric shock, disconnect the test leads
from any source of voltage before removing the battery door.
1. When the batteries become exhausted or drop below the
operating voltage, "BAT" will appear in the right-hand side of the
LCD display. The battery should be replaced.
2. Follow instructions for installing battery. See the Battery
Installation section of this manual.
3. Dispose of the old battery properly.
WARNING: To avoid electric shock, do not operate your meter
until the battery door is in place and fastened securely.

Battery Installation

WARNING: To avoid electric shock, disconnect the test leads
from any source of voltage before removing the battery door.
1. Disconnect the test leads from the meter.
2. Open the battery door by loosening the screw using a Phillips
head screwdriver.
3. Insert the battery into battery holder, observing the correct
polarity.
4. Put the battery door back in place. Secure with the two screws.
WARNING: To avoid electric shock, do not operate the meter
until the battery door is in place and fastened securely.
NOTE: If your meter does not work properly, check the fuses and
battery to make sure that they are still good and that they are
properly inserted.
Robert Bosch LLC
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MMD 540H Instruction Manual | Version 1 | February 2008