If you are running Video Rx/Viewer on a battery-powered laptop, you may see video choppy on the screen of this computer. If you are doing the Video Tx on the laptop without a power cord plugged in, you will likely see video choppy across all receivers.This may occur when the graphics driver tries to reduce the performance state to save power. You can change the power management mode to maximum on the GPU’s control panel software. Below is an example: