Canon EOS Rebel SL3 DSLR Camera with 18-55mm Lens (Black) - Manual (Page 306)

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z Adjust movie sound volume with the TV set. The sound volume cannot be
adjusted with the camera.
z Before connecting or disconnecting the cable between the camera and TV
set, turn off the camera and TV set.
z Depending on the TV set, part of the image displayed may be cut off.
z Do not connect any other device’s output to the camera’s <
D
>
terminal. Doing so may cause a malfunction.
z Certain TV sets may not display the images due to incompatibility.