Canon EOS7DBODY User Manual (en)

Notes on Movie Shooting
Camera’s internal temperature increase and image degradation
If the camera’s internal temperature becomes high, the <E> icon may 
appear on the screen. When not shooting, turn off the camera.
If you take still photos while the <E> icon is displayed on the screen, the 
image quality may be degraded. The image quality of movies is not 
If the <E> icon is displayed and you keep shooting movies until the 
camera’s internal temperature increases further, the movie shooting will 
stop 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.
Playback and TV connection
If the brightness changes during movie shooting, that part might freeze 
If the camera is connected to a TV set with an HDMI cable (p.177), 
pressing the <B> button during movie shooting will not display the 
INFO screen.
If you connect the camera to a TV set (p.176-177) and shoot a movie, 
the TV will not output any sound during the shooting. However, the 
sound will be properly recorded.