TeVii D616, User Manual

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Aspect Ratio: Auto, 4:3, 16:9, Zoom 1, Zoom 2 and Just Scan are available. The default is set
as 16:9.
Software Update: Upgrade the firmware when there is a new version available. You need to
download new firmware & save in USB storage, then connect to D616/D640 4K Capture Box
Restore factory default: Restore the factory settings.
Version: Shows the current version info.
Press on the remote control to browse the Bit Rate settings of D616/D640 4K
Capture Box
If you set it to a large value, you will get higher image quality, but with larger file size.
If you set it to a small value, you will get lower image quality but with smaller file size.
For example: LIMITED: 10M means the recorded file is limited to 2GB per file, bit rate is
10Mbps. UNLIMITED means there is no 2GB per file limitation