Back and menu button light up. Disable?

[Cody Westlund]

Sometimes such as when browsing the Web or playing a game, touching the screen causes the back button and menu button on the bottom of the phone to shine brightly.

I'd there a way to disable this?

 

[Sanjay Chandra]

Yes , you can disable.

Settings > My Device > Display > Duration of keys

 

[Jasim Uddin]

I want to a good answer to stop back and Menu light.