ALTANA LC 4 - Manual (Page 43)

BYK LC 4 Maintenance, cleaning, disposal
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5 Maintenance, cleaning, disposal
5.1 Maintenance
The meter is almost maintenance-free.
The only maintenance activity is exchanging the battery when it is depleted
(LoBat display indicator).
5.2 Battery exchange
The LoBat display indicator indicates that the battery should be changed.
The battery is then largely depleted.
Stored calibration data and measuring data are retained when the battery is
exchanged.
Caution
Only use leakproof alkaline manganese batteries.
Replacing the
battery
1 Unscrew the screw (1) on the back of the meter and remove the lid
of the battery compartment by pulling at the screw.
2 Remove the depleted battery from the battery compartment.
1