5Maintenance
5.2 Cleaning the Lens
Although all lenses are quite durable, take care to prevent scratching when cleaning them. To clean the lens:
1.Blow off loose particles, using clean air.
2.Gently brush off remaining particles, using a camel hair brush. Alternatively, clean any remaining contaminants with a damp, soft, clean cloth. Be careful not to rub too hard.
CAUTION
Do not use any ammonia or cleaners with ammonia on the lens, as damage may result. Do not wipe the surface dry, as this may cause scratching.
5.3 Calibrating the Thermometer
The thermometer can not be calibrated by the user. For precise calibration of the thermometer, call our Customer Service Department. It is recommended that the Infrared Thermometer to be sent to the factory once a year for recalibration.
5.4 Servicing the Laser Sighting
Servicing and maintenance is not required to keep the laser sighting in proper operating condition. In the event of a malfunction, the unit should be returned to the manufacturer for repair.