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Maintenance
Instrument damage hazard:
• Do not attempt to repair this unit. It contains no user-
serviceable parts.
• Do not expose the unit to extremes in temperature or
high humidity. Refer to "Specifications."
Failure to observe these precautions may result in injury
and may damage the unit.
Battery Replacement
1. Press the battery compartment
release and pull the door down.
2. Replace the battery (observe
polarity).
3. Close the battery compartment
door.
Cleaning
Lens
1. Blow off loose particles using clean compressed air.
2. Gently brush any remaining debris away with a camel hair
brush.
3. Carefully wipe the surface with a water-moistened cotton
swab.
Note: Do not use solvents!
Housing
Periodically wipe the housing with a damp cloth and mild
detergent; do not use abrasives or solvents.
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