Harbor Freight Tools 91778 Thermometer User Manual


 
SKU 91778 For technical questions, please call 1-800-444-3353. Page 6
Maintenance
1. Clean the Lens (10) (See Figure 2) with a can of compressed air.
Gently brush remaining dust with a camel’s hair brush. Carefully
wipe the surface with a moist cotton swab moistened with water
or water based glass cleaner.
2. For better and safer performance, keep all parts of this product
clean and dry at all times
Lens
On/Off
Key
(E)
Figure 3
Figure 4
Indicator
Replacing the Battery in the Laser Thermometer
1. Slide the Battery cover door on the handle to expose the Battery
compartment. See Figure 3.
2. Insert the replacement DC 9V Battery into the Battery compart-
ment (F). DISPOSE OF OLD BATTERIES PROPERLY. Never put
batteries into a fire. Contact local Hazard Waste Disposal
authorities for proper guidelines. Replace cover. See Figure 4.
Figure 1
Figure 2
Battery
Battery
Cover