How can you test dimming light of samsung tv JS9500?

To test the dimming light feature on a Samsung TV JS9500, navigate to the TV's settings menu and select "Picture." From there, adjust the "Backlight" and "Brightness" settings to see how they affect the overall picture brightness. Additionally, you can play content with varying brightness levels to observe the TV's local dimming response. Lastly, check for any updates to the TV's firmware, as they can improve performance and features related to dimming.