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7.1. Maintenance
•
All of the projection screens are essentially maintenance-free. With electrical
projection screens however, we recommend checking the wiring and the
electrical connections at least once a year for ruptured cables and any exposed
cable insulation.
Warning! If you discover ruptured cables or any other defects, you should first
discontinue the use of the product immediately and contact your supplier
to arrange to have the damage repaired. Use only original parts for any
repairs. Original parts may be ordered from your supplier.
7.2. Cleaning
•
To clean the case, use a damp cloth and a soap-based cleaning product.
•
To remove stains on the projection screen fabric, use a damp cloth and a soap-
based cleaning product. Use a soft cotton cloth which is lintfreefast and does not
give off lint. By preference, use a cloth which is a bit older and has been washed
often. Never rub one spot too long or too hard to prevent shiny spots from
developing.
If this method is unsuccessful, try to remove the stain with colourless ethyl
alcohol.
If this method is also unsuccessful, contact your supplier for advice.
Warning!
•
Never use cleaning products which contain organic solvents such as benzine,
acetone, trichloroethylene, terpentine, etc.
•
Never use cleaning products which contain abrasives, bleach or ammonia.
7.3. Replacing the batteries in the remote control
RF remote control
1. Open the battery compartment by unscrewing the cover.
2. Use a pen or screwdriver to slide the old battery from the battery box.
3. Slide a new 3V Lithium CR2430 battery into the battery box. Make sure you
insert the battery correctly bearing in mind the + indication on the box. Slide the
battery into the box until the battery clicks into place.
4. Replace the cover and screw it tight.
IR remote control.
1 Open the battery compartment by unscrewing the cover.
2. Remove the old batteries and replace them with two 1.5 V AAA batteries.
3. Slide the cover back firmly into place.
7. Maintenance and cleaning
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