Sony DSC-RX10M4 Help Manual page 584

camera will turn off automatically because the surface of the camera is heated to a high temperature or the high
temperature affects the quality of the images or the internal mechanism of the camera.
The duration of time available for movie recording varies with the temperature, file format/record setting for movies,
Wi-Fi network environment, or condition of the camera before you start recording. If you frequently recompose or
shoot images after the power is turned on, the temperature inside the camera will rise and the recording time
available will be shorter.
If the icon appears, the temperature of the camera has risen.
If the camera stops movie recording due to a high temperature, leave it for some time with the power turned off. Start
recording after the temperature inside the camera drops fully.
If you observe the following points, you will be able to record movies for longer periods of time.
Keep the camera out of direct sunlight.
Turn the camera off when it is not being used.
When [ File Format] is set to [AVCHD], the file size of movies is limited to approx. 2 GB. If the movie file size
reaches approx. 2 GB during recording, a new movie file will be created automatically.
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