Canon EOS 7D Mark II Guía De Instrucciones página 17

Handling Precautions
Do not block the mirror operation with your finger, etc. Doing so may cause a
malfunction.
Use a blower to blow away dust on the lens, viewfinder, reflex mirror, and
focusing screen. Do not use cleaners that contain organic solvents to clean
the camera body or lens. For stubborn dirt, take the camera to the nearest
Canon Service Center.
Do not remove the focusing screen unless you are changing it. When
changing the focusing screen, do not touch it with bare hands. Instead use
the dedicated tool that came with the interchangeable focusing screen (sold
separately).
Do not touch the camera's electrical contacts with your fingers. This is to
prevent the contacts from corroding. Corroded contacts can cause camera
misoperation.
If the camera is suddenly brought in from the cold into a warm room,
condensation may form on the camera and internal parts. To prevent
condensation, first put the camera in a sealed plastic bag and let it adjust to
the warmer temperature before taking it out of the bag.
If condensation forms on the camera, do not use the camera. This is to avoid
damaging the camera. If there is condensation, remove the lens, card and
battery from the camera, and wait until condensation has evaporated before
using the camera.
If the camera will not be used for an extended period, remove the battery
and store the camera in a cool, dry, well-ventilated location. Even while the
camera is in storage, press the shutter button a few times once in a while to
check that the camera is still working.
Avoid storing the camera where there are chemicals that result in rust and
corrosion such as in a chemical lab.
If the camera has not been used for an extended period, test all its functions
before using it. If you have not used the camera for some time or if there is
an important shoot such as a foreign trip coming up, have the camera
checked by your Canon dealer or check the camera yourself and make sure
it is working properly.
If you use continuous shooting, Live View shooting, or movie shooting for a
prolonged period, the camera may become hot. This is not a malfunction.
If there is a bright light source inside or outside the image area, ghosting
may occur.
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