User's Manual

3 EXTREME CONDITIONS
• 
required.
• 
• Salt air: no special procedures required.
• 


water. Clean lenses with lens paper/cloth and wipe the


• Dust storms and sand storms: no special procedures
required.
• High altitudes: no special procedures required.
CAUTION:
lens paper/cloth. If lens paper/cloth is not available:
• 
the dirt or rinse with clear water.
• To clean lenses: fog the lenses or rinse with clear
water and clean them with a soft piece of cloth.