Magewell USB Fusion HDMI & USB Video Capture Device - Manual (Page 71)

The recording can be exported from the Web UI. For details, see Downloading
Videos/Screenshots .
Taking Screenshots
At the upper right corner of the App Main UI, tap > Screenshot .
The screenshot is saved to the disk of USB Fusion as a JPEG file. You can tap
the album button before to view the screenshot.
start time, for example 2021.06.21 09:16AM.
Stop recording: At the upper right corner of the App Main UI, tap .
When the recording stops, you can tap the album button before to
view the recording.
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A screenshot will be taken at the resolution same as that output to the
USB OUT port.
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