Canon EOS M Instruction Manual page 312

Troubleshooting Guide
The battery becomes exhausted quickly.
Use a fully-charged battery pack (p.32).
The rechargeable battery pack performance will degrade over
repeated use. Purchase a new one.
The number of possible shots will decrease with any of the following
operations:
• Pressing the shutter button halfway for a prolonged period. (Often
activating only the AF without taking a picture.)
• Using the lens' Image Stabilizer.
• You shoot movies for prolonged periods.
At low temperatures, the number of possible shots decreases (p.39). At low temperatures, the number of possible shots decreases (p.39). At low temperatures, the number of possible shots decreases (p.39).
The LCD monitor turns off by itself.
The power-saving function is turning off the LCD monitor. Press any The power-saving function is turning off the LCD monitor. Press any The power-saving function is turning off the LCD monitor. Press any
camera button or tap the LCD monitor to turn it on again. camera button or tap the LCD monitor to turn it on again. camera button or tap the LCD monitor to turn it on again.
You can change the time until the monitor turns off automatically with
the [52: Power saving]'s [LCD auto off] setting.
The camera turns off by itself. The camera turns off by itself. The camera turns off by itself.
The power-saving function is turning off the camera. If you do not want The power-saving function is turning off the camera. If you do not want The power-saving function is turning off the camera. If you do not want
auto power off to take effect, set [ auto power off to take effect, set [52: Power saving]'s [Camera auto auto power off to take effect, set [
off] to [Disable] (p.206). Disable Disable
There is a noise when the power is turned ON/OFF
(with an EF-M lens attached).
When you turn off the camera, the lens aperture stops down to prevent
light from entering the camera. This is to protect the camera's internal
components. When you set the power to <1> or <2>, the
aperture makes a small noise as it opens or closes.
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until the monitor turns until the monitor turns
]'s ]'s [ [LCD auto off LCD auto off