Avermedia DarkCrysta C874 Quick Manual page 13

Quick Installation Guide
8. Press all keys listed on-screen in
sequence to see if they all correspond
correctly. Then click Next.
9. Use the on-screen keypad to test the
assigned task and see if all commands
are responded correctly.
10. After testing, choose "All keys are correct"
to proceed, or "Some keys are missing" to
reconfigure the settings.
11. Use the on-screen keypad to test change
channel interval. Set the interval between
numeric keys as Fast, Mediums, Slow or
Custom. Then click Next.
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