Online Manual
MSP 331 (Family) User Manual
4 FAQ
Q: Why is the highest available resolution only YUY2 1080p25?
A: The USB connection may not meet the required specifications. Check that:
- The PC's USB port is USB 3.0 or higher.
- The USB cable supports USB 3.0 or higher.
If not, use a USB 3.0 or higher port and cable.
Q: Why is HDMI video output normal but there is no audio?
A: When the computer is connected to the MSP 331 model via HDMI, set the computer's audio output device to the corresponding model.
For details, see 3.3 Audio Settings
Q: Why is the image upside down when RGB24 is selected in PotPlayer?
A: In PotPlayer, select Video > Screen Rotation and choose 180 degrees Rotation.

Q: Does external audio override HDMI embedded audio?
A: No. HDMI embedded audio and external audio are mixed and output simultaneously.
Q: How do I adjust the mix volume?
A: Adjust the volume on the external audio device.
When HDMI input and Line-in audio are both present and mixing is enabled, the default mix ratio is 2:3: HDMI audio at 40% and Line-in audio at 60%.
Q: How can I get help with other issues?
A: Scan the QR code on the back of the device or contact Technical Support