Grundig CP-731i - Manual (Page 20)

ENGLISH-19
ENGLISH
M MA AIIN NT TE EN NA AN NC CE E ((cco on nttiin nu ueed d))
Air Filter Maintenance
The air filter should be cleaned as described below at intervals of approximately 100 hours.
1. Switch the projector power supply OFF, and remove the power cord from the power outlet.
2. Clean the air filter with a vacuum cleaner.
Other Maintenance
Maintenance Inside the Equipment
For safety reasons, ensure that the equipment is cleaned and checked by BOXLIGHT once every
two years. Maintaining the equipment by yourself is dangerous.
Cleaning the Lens
Gently wipe the lens with lens cleaning paper. Do not touch the lens with your hands.
Cleaning the Cabinet and Remote control transmitter
Gently wipe with a soft cloth. If dirt and stain etc. are not easily removed, use a soft cloth dampened
with water, or water and a neutral detergent, and wipe dry with a soft, dry cloth.
CAUTION
• Switch power OFF and remove the power cord from the power outlet before beginning
maintenance work. Please read the separate “SAFETY INSTRUCTIONS” thoroughly to
ensure that maintenance is performed correctly.
• Replace the air filter if contamination cannot be removed, or if it is damaged. Contact
BOXLIGHT for service.
• Do not use the equipment with the air filter removed.
• When the air filter is clogged with dust etc. the CHECK AIR FLOW message appears on
the screen and the power supply is switched OFF automatically to prevent the
temperature rising inside the projector.
CAUTION
• Switch power OFF and remove the power cord from the power outlet before beginning
maintenance work. Please read the separate “SAFETY INSTRUCTIONS” thoroughly to
ensure that maintenance is performed correctly.
• Do not use detergents or chemicals other than those noted above (e.g. benzene or
thinners).
• Do not use cleaning sprays.
• Do not rub with hard materials, or tap the equipment.