Canon 9128B016 ユーザーズマニュアル

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General Movie Shooting Cautions
White <s> and Red <E> Internal Temperature Warning Icons
 
If the camera’s internal temperature increases due to prolonged movie shooting 
or under a high ambient temperature, a white <s> or red <E> icon will appear.
 
The white <s> icon indicates that the image quality of still photos will 
deteriorate. It is recommended that you stop still photo shooting for a 
while and allow the camera to cool down. Since movie image quality will 
hardly be affected, you can still shoot movies.
 
The red <E> icon indicates that movie shooting will soon be terminated 
automatically. If this happens, you will not be able to shoot again until the 
camera’s internal temperature decreases. Turn off the power and let the 
camera rest for a while.
 
Shooting a movie at a high temperature for a prolonged period will cause the <s> 
or <E> icon to appear earlier. When you are not shooting, turn off the camera.
Recording and Image Quality
 
If the attached lens has an Image Stabilizer and you set the Image 
Stabilizer (IS) switch to <1>, the Image Stabilizer will operate at all 
times even if you do not press the shutter button halfway. The Image 
Stabilizer consumes battery power and may shorten the total movie 
shooting time or decrease the number of possible shots. If you use a 
tripod or if the Image Stabilizer is not necessary, it is recommended that 
you set the IS switch to <2>.
 
The camera’s built-in microphone will also pick up camera operation 
noise. Use an external microphone (commercially available) to reduce 
camera operation noise in the movie.
 
Do not connect anything other than an external microphone to the 
camera’s external microphone IN terminal.
 
With autoexposure shooting or shutter-priority AE, if the brightness 
changes during movie shooting, the movie may freeze temporarily. In 
such cases, shoot movies with aperture-priority AE or manual exposure.
 
If there is a very bright light source in the image, the bright area may 
appear black on the LCD monitor. The movie will be recorded almost 
exactly as it appears on the LCD monitor.
 
In low light, noise or irregular colors may appear in the image. The movie 
will be recorded almost exactly as it appears on the LCD monitor.
 
If you play back a movie with other devices, image or sound quality may 
deteriorate or playback may not be possible (even if the devices support 
MOV/MP4 format).