Specifications
Preventative Maintenance
Entero HB Rear-Access Cube Installation and Setup Manual 51
020-101007-04 Rev. 1 (12-2014)
Clean the projection lens
Kits or items required
• Camel–hair brush
• Lint–free cloths (without color)
• Coated optics cleaning solution
Remove dust from the projection lens
1. Brush most of the dust off with a camel-hair brush or use a dust-free blower.
2. Fold a microfiber cloth and wipe the remaining dust particles off the lens with the smooth
portion of the cloth that has no folds or creases. Do not apply finger pressure. Instead, use the
tension in the folded cloth to remove the dust.
3. If significant dust remains on the lens surface, dampen a clean microfiber cloth with lens
cleaning solution and wipe gently until clean.
Remove fingerprints, smudges, or oil from the projection lens
1. Brush most of the dust off with a camelhair brush or use a dust-free blower.
2. Wrap a lens tissue around a swab and soak it in lens cleaning solution. The tissue should be
damp but not dripping.
3. Gently wipe the surface using a figure eight motion.
4. Repeat until the blemish is removed. Clean the lens only if absolutely required.
i
• Clean only if necessary. A small amount of dust on the lens has little effect on picture quality.