NZXT Signal HD60 External Capture Card - Manual (Page 14)

LIGHT DESCRIPTION
White Solid Connected to device and working on USB 3.2 (Gen 1)
Red Flashing (1s on/off) Connected to device, but only USB 2.0 compatibility detected
Red Solid Connected to device without HDCP key or firmware update failed
White blinking (0.5s on/off) Firmware update ongoing
White flashing (1s on/off) Connected to device, but no source data detected
1 3
S I G N A L H D 6 0
6. LED INDICATOR CHART