Samsung QN800B TV is equipped with the Samsung Smart Remote(The Sero), so you can find a Setting button on the remote control as the picture shown bellow.
Each time you press this button, Settings menu / virtual numeric pad / Option pad with Color buttons are displayed alternately.
• You can use this button to access additional options that are specific to the feature in use.
• You also can press to bring up the virtual numeric pad on the screen. Use the numeric keypad to enter numeric values. Select numbers and then select Done or Enter Number to enter a numeric value. Use to change the channel, enter a PIN, ZIP code and etc.
If the Color Button appears with a number strip on the screen, select the Color Button and then select a specific color by using the directional button (up, down, left, right). Use this to access additional options that are specific to the feature in use.