Nikon KeyMission 80 Reference Manual page 10

CAUTION
Do not leave the lens pointed at the sun or other strong light sources.
Light focused by the lens could cause fire or damage to product's internal parts.
When shooting backlit subjects, keep the sun well out of the frame.
Turn this product off when its use is prohibited. Disable wireless features
when the use of wireless equipment is prohibited. The radio-frequency
emissions produced by this product could interfere with equipment onboard
aircraft or in hospitals or other medical facilities.
Disconnect the AC adapter if this product will not be used for an extended
period. Failure to observe this precaution could result in fire or product
malfunction.
Do not leave the product where it will be exposed to extremely high
temperatures, for an extended period such as in an enclosed automobile
or in direct sunlight. Failure to observe this precaution could result in fire or
product malfunction.
Check that the equipment is mounted correctly and inspect it for wear
and damage at regular intervals. Failure to observe this precaution could
result in accidents or other injury.
Do not rapidly or excessively shake your body while the product is
attached. Failure to observe this precaution could result in the product coming
loose, causing accidents or other injury.
Do not place the product on, or attach it to, unstable surfaces. Failure to
observe this precaution could result in the product coming loose or falling over,
causing accidents or other injury.
If battery liquid comes into contact with a person's skin or clothing,
immediately rinse the affected area with plenty of clean water. Failure to
observe this precaution could result in skin irritation.
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Introduction
For Your Safety