Hikvision NVR GUI 4.30 Turn on WDR

- Click on the Configuration button (top middle - looks like a cog)
- Click on "Expert Mode" in the bottom left
- Click on "Camera" in the left hand list
- Click on "Display" underneath "Camera"
- Choose the camera you want from the dropdown list at the top
- Click on "Backlight" in the list on the right
- Set "Wide Dynamic Range" to "On"
- Set the "WDR Level" slider to where you want it
- Click "Apply"