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4. MAINTENANCE
4.1 Battery Replacement
Remove the rear battery cover by turning the quarter turn screw 90° anti-
clockwise and then lifting the cover. Observing correct polarity fit 6 new
1.5V, AA alkaline batteries (IEC LR6, NEDA 15A). Replace the battery
cover by positioning the top onto the rear casing slots, lowering the cover
and then locking by turning the quarter turn screw 90° clockwise.
Note: Do not mix old and new batteries.
4.2 Cleaning
If contamination is found, clean with a damp soft cloth and if
necessary a mild detergent or alcohol. Do not use abrasives, abrasive
solvents, or detergents which can cause damage to the unit. If a mild
detergent is used, the unit should subsequently be thoroughly cleaned
with a water dampened soft cloth. After cleaning, dry and allow to
remain in a dry environment for 2 hours before use.
4.3 Repair and Service
There are no user serviceable parts in this unit other than those that
may be described in section 4. Return to Martindale Electric if faulty.
Our service department will quote promptly to repair any fault that
occurs outside the guarantee period.
Before the unit is returned, please ensure that you have checked the
unit and batteries.
4.4 Storage Conditions
The instrument should be kept in cool, dry conditions and not
subjected to shock, scratching or other damage, prolonged direct
harsh sunlight, extremes of temperature and in such a manner as to
preserve the working life of the unit. It is strongly advised that the unit
is not kept in a tool box where other tools may damage it.
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