Sony MHC-V73D Help Manual page 16

The playback order may not be applicable depending on the software used for creating the audio file or video file.
Compatibility with all encoding/writing software of the supported formats, recording devices, and recording media
cannot be guaranteed.
Depending on the Xvid file, the picture may be unclear or the sound may skip.
Notes about USB devices
This system is not guaranteed to operate with all USB devices.
Do not connect the system and the USB device through a USB hub.
With some connected USB devices, there may be a delay before an operation is performed by this system.
The playback order for the system may differ from the playback order of the connected USB device.
Before using a USB device, make sure that no virus-ridden files are on the USB device.
5-014-121-11(1) Copyright 2020 Sony Corporation
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