these will attack plastics and cause
damage.
Battery Replacement
To replace the battery, remove the
battery cover retaining screws on
the rear of the instrument using a
Philips or fl at blade screwdriver.*
Remove the two cells and dispose
in local recycling facilities. Replace
with AA size alkaline cells only
carefully observing the correct
polarity. Visually check that the
battery cover and compartment are
clean and free of debris. Check that
the seal in the battery compartment
is not displaced from the locating
groove before refi tting the cover.
Take care not to over-tighten the
screws when refi tting the cover.
* Philips No 1 or 5mm fl at blade screwdriver,
Technical Support
Please see:
www.comarkinstruments.com or
www.comarkUSA.com for details.
Warranty
This Comark Instruments product
will be free from defects in material
and workmanship for two years from
the date of purchase and applies
worldwide. This warranty does not
cover fuses, disposable batteries,
or damage from accident, neglect,
misuse, alteration, contamination,
or abnormal conditions of operation
or handling. To obtain service during
the warranty period, visit the Service
and Repair page on our website -