Canon EOS 6D Mark II Mode D'emploi page 22

Handling Precautions
LCD Panel and LCD Monitor
Although the LCD monitor is manufactured with very high precision
technology with over 99.99% effective pixels, 0.01% or fewer of the pixels
may be dead, and there may also be spots of black, red, or other colors. This
is not a malfunction. They do not affect the images recorded.
If the LCD monitor is left on for a prolonged period, screen burn-in may occur
where you see remnants of what was displayed. However, this is only
temporary and will disappear when the camera is left unused for a few days.
The LCD monitor display may seem slightly slow in low temperatures or may
look black in high temperatures. It will return to normal at room temperature.
Cards
To protect the card and its recorded data, note the following:
Do not drop, bend, or wet the card. Do not subject it to excessive force,
physical shock, or vibration.
Do not touch the card's electronic contacts with your fingers or anything
metallic.
Do not affix any stickers, etc. on the card.
Do not store or use the card near anything that has a strong magnetic field,
such as a TV set, speakers, or magnets. Also avoid places prone to having
static electricity.
Do not leave the card in direct sunlight or near a heat source.
Store the card in a case.
Do not store the card in hot, dusty, or humid locations.
Lens
After detaching the lens from the camera, put down the
lens with the rear end up and attach the rear lens cap to
avoid scratching the lens surface and electrical contacts.
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Contacts