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70
Maintenance
Internal clock battery
►Be careful of handling battery, since a battery can cause explosion,
cracking or leakage that could result in a fi re, an injury, and environment pollution.
• Use only the specifi ed battery.
• When replacing the battery, replace it with a new battery.
• Do not use a battery with damage, such as scratches, dents, rust or leakage.
• Do not work on a battery; for example recharging or soldering.
• Keep a battery in a dark, cool and dry place. Never expose a battery to a fi re or water.
• Keep a battery away from children and pets. Be careful for them not to swallow a
battery.
• When a battery leaked, wipe the leakage out well with a waste cloth. If the leakage
adhered to your body, immediately rinse it well with water. When a battery leaked in the
battery holder, replace the batteries after wiping the leakage out.
• Obey the local laws on disposing a battery.
WARNING
This projector is being loaded with a battery for the internal clock that the network
function needs. When the clock does not work correctly, request your dealer
to check the battery and to replace if needed. For replacement, prepare a new
battery of the following type. You can buy it at the store or order it from your
dealer.
HITACHI MAXELL, part number CR2032 or CR2032H
Others
For the lens
For the inside of the projector
For the cabinet of the projector and remote control
Be careful not to scratch, crack, dirty, or fog the lens surface, since it affects the
image quality. When the lens surface is fogged or dirty, gently wipe it only with the
commercial cloth or paper lens cleaner.
In order to ensure the safe use of your projector, please have it cleaned and
inspected by your dealer about once every year.
For the dirty cabinet of the projector or remote control, use soft cloth. Dip a soft
cloth in water or a neutral cleaner diluted in water, and wipe the cabinet lightly
after wringing it well. Then, wipe again lightly with a soft and dry cloth.
►Before checking or cleaning the lens, turn off, unplug, and
cool down the projector.
►Do not scratch the projector and knock it against something. Use special
caution for the lens surface.
►Do not wet the product. Do not let any liquids enter to the inside. Do not use a
spray.
WARNING
►Do not directly touch the lens surface with hands.
►Do not use cleaners or chemicals other than those specifi ed in this manual.
NOTICE
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