1. Press Quick menu.
2. Scroll to Settings and press OK.
3. Scroll to Picture and press OK.
4. Scroll to Picture Mode Settings and press OK.
5. Scroll to Expert Settings and press OK.
6. Scroll to Gamma Calibration and press OK.
7. Select Input Level and press OK.
8. Using the Directional buttons scroll Left and Right to adjust the Input Level.
9. The Input Level has been adjusted. Press BACK to return to the Gamma calibration menu.
10. Select Gain and press OK.
11. Using the Directional buttons scroll Left and Right to adjust the Gain.
12. The Gain has been adjusted. Press BACK to return to the Gamma Calibration menu.
13. The Gamma calibration has been adjusted. Press EXIT to exit.