1. In the HDMI tab page of USB Capture Utility V3, click Timing to open the EDID Detailed Timing dialog box.
2. In the EDID Detailed Timing dialog box, select a timing format in the Mode list, and then set the following parameters:
• Horizontal Active: horizontal pixels of the resolution
• Vertical Active: vertical pixels of the resolution
• Vertical Scan Frame Rate: frame rate

In the HDMI tab page of USB Capture Utility V3,

1. click Export under EDID to save the original EDID to the local;
2. use a third-party editor to modify EDID;
3. click Import to import the custom EDID into the capture device;
4. clear the SmartEDID check box.