Indicator LED details

The color and action of the indicator LED depends on whether you are connected by USB 3.0 or USB 2.0. For maximum performance, always use a USB 3.0 port and the included USB 3.0 cable. Note that frame capture rate will be reduced when connected via USB 2.0.

From the operating system's UVC drivers, the application will receive the AV.io HD supported color space, resolution and frame rates. If you’re not sure if your controller is USB 3.0 or USB 2.0, plug AV.io HD into the capture computer and look at the indicator LED. After initial boot up (red LED), blue is used for USB 3.0 and green is used for USB 2.0:

Blue LED means USB 3.0

Green LED means USB 2.0

 

Connection type/LED color	USB 3.0 connection	USB 2.0 connection
Solid red	Firmware update in progress AV.io HD initializing	Firmware update in progress AV.io HD initializing
Blinking red	Adjustment to VGA input in progress	Adjustment to VGA input in progress
Solid green	N/A	USB 2.0 connection active
Blinking green	N/A	Video and/or audio transferring successfully
Solid blue	USB 3.0 connection active	N/A
Blinking blue	Video and/or audio transferring successfully	N/A