Meade Infinity 80mm User Manual - Page 16

• Fingerprints and organic materials 14 on the front lens may be removed with a solution of 3 parts distilled water to 1 part isopropyl alcohol. You may also add 1 drop of biodegradable dishwashing soap per pint of solution. Use soft, white facial tissues and make short, gentle strokes. Change tissues often. CAUTION: Do not use scented or lotioned tissues or damage could result to the optics. DO NOT use a commercial photographic lens cleaner. CHANGING THE VIEWFINDER BATTERY If the viewfinder red dot does not illuminate, verify the viewfinder is on by rotating the knob (10) below the viewfinder lens clockwise. If the red dot does not illuminate, the battery may need replacing. To replace the battery, press the left side of the viewfinder housing labeled "push". The battery compartment will slide out on the right side of the viewfinder (see Fig. 7). Replace the battery with a Lithium CR2032 battery with the positive side up. Then push the battery compartment back Looking at or near the Sun will cause irreversible damage to your eye. Do not point this telescope at or near the Sun. Do not look through the telescope as it is moving.