Canon EOS 5DS Instruction Manual page 22

Safety Precautions
Cautions:
Do not use or store the product inside a car under the hot sun or near a heat source.
The product may become hot and cause skin burns. Doing so may also cause
battery leakage or explosion, which will degrade the performance or shorten the life
of the product.
Do not carry the camera around when it is attached to a tripod. Doing so may cause
injury. Also make sure the tripod is sturdy enough to support the camera and lens.
Do not leave the product in a low-temperature environment for an extended period of
time. The product will become cold and may cause injury when touched.
Never play the provided CD-ROM in a drive that is not compatible with the CD-ROM.
If you use it in a music CD player, you may damage the speakers and other
components. When using headphones, there is also a risk of injury to your ears from
excessively loud volume.
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Follow the cautions below. Otherwise, physical injury
or property damage may result.