Samsung 400UXN - Manual (Page 72)

Color temp is a measure of the 'warmth' of the image colors.
Note
This function is only enabled if the Color Tone is set to Off.
MENU → , → ENTER → , → ENTER → , → ENTER
Size
The Size can be switched.
1. 16:9
2. Zoom 1
3. Zoom 2
4. 4:3
Note
The Zoom1, Zoom2 are not available in 1080i (or over 720p) of Component and HDMI.
MENU → , → ENTER → , → ENTER → , → ENTER
Adjusting the LCD Display