lu sur le net :
1. TV in the off mode
2. With remote press 'Display' then '5' then 'Vol up' then 'Power' all within 5 seconds.
You are now in the Adjustment mode
3. Use numbers '1' and '4' to select the item to adjust
4. Write down the old value in the corner.
5. Use the '3' and '6' to adjust the value of the data.
6. When you have made all the adjustments you want press 'Mute' then 'Enter' to exit.