Canon EOS REBEL T5I Instruction Manual page 71

O Movie Shooting Cautions
Recording
if you use a card with a slow writing speed, a five-level
indicator may appear on the right of the screen during movie
shooting. It indicates how much data has not yet been
written to the card (remaining capacity of the internal buffer
memory). The slower the card, the faster the indicator will
climb upward. If the indicator becomes full, movie shooting
wil! stop automatically. Inclicator
If the card has a fast writing speed, the indicator will either
not appear or the level (if displayed) wil! hardly go upward.
First. shoot a few test movies to see if the card can write fast enough.
If there is a very bright light source in the picture, the bright area may
appear black on the LCD monitor. In movies, the bdght areas will be
recorded in almost the same way you see it on the LCD monitor.
Still Photo Shooting During Movie Shooting
Regarding the image quality of still photos, see "image Quality" on page
171.
TV Connection
If you connect the camera to a TV set (p.262, 265) and shoot a movie.
the TV will not outpu[ any sound during the shooting. However the
sound will be properly recorded.
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