MAINTENANCE
Lens Cleaning: Blow off loose particles using clean compressed air. Gently brush
remaining debris away with a camel's hair brush. Carefully wipe the surface with a
moist cotton swab. The swab may be moistened with water or rubbing alcohol.
Note: Do not use solvents to clean the plastic lens.
Case Cleaning: Use soap and water on a damp sponge or soft cloth.
Note: Do not submerge the unit in water.
TROUBLE SHOOTING
Code
OL
-OL
Battery
indication
Blank display
Laser doesn't
work
Problem
Target temperature is over
range
Target temperature is
under range
Low battery
Possible dead battery
1. Low or dead battery
2. Ambient temperature
above 40°C (104°F)
Select target within specifications
Select target within specifications
Check and/or replace battery
Check and/or replace battery
1. Replace battery
2. Use in area with lower
9
Action