Canon EOS 20D Instruction Manual page 9

Handling Precautions
LCD Panel and LCD Monitor
_ Although the LCD monitor is manufactured with very high precision
technology with over 99.99% active pixels, there might be e few dead pixels
among the remaining 0.01% or less pixels. Dead pixels displaying only black
or red, etc., are not a malfunction. They do not affect the images recorded.
_#At low temperatures, the liquid-crystal display response may become slower,
And at high temperatures, the display may blacken, in either case, the
display will return to normal at room temperature.
OF Card
_ The CF card is a precision device. Do not drop the memory card or subject it
to vibration Doing so could damage the images recorded on them.
_ Do not store or use a memory card near anything having e strong magnetic
field such as aTV set, speakers, or magnet Also avoid places prone to
having static electricity=Otherwise, the images recorded on the CF card
might be lost
_ Do not leave memory cards in direct sunlight or near a heat source. Doing so
can warp the cards and make them unusable
_;_ Do not spill any liquid onto the CF card.
_ Always store your CF cards in a case to protect the data stored on them.
_ Non-Canon CF cards may not be able to record and playback images Using
Canon CF cards is recommended
_;_ Do not bend the card or subject it to any excessive force or physical shock
_ Do not store CF cards in hot, dusty, or humid locations
Lens Electrical Contacts Contacts
After detaching the lens from the camera, attach the lens
caps or put down the lens with the rear end up to avoid
scratching the lens surface and electrical contacts.