INSTRUMENT ORIENTATION
- Connect LCD TV, Chroma 2225 and VG848. set timing 137, pattern-1 on chroma 2225. Chroma 7120's lens must aim at the center of the pattern. The distance of Chroma 7120's lens and the center of the screen is 20cm +/- 1cm.
- To Enter Factory Mode.
- After orientation is OK, set pattern 104 [Black Picture] on chroma 225.
- Press [1=>9=>9=>9] on the remote to enter the Menu, on the left of the screen.
- Then by (UP) key option to enter the menu.
PC MODE WHITE BALANCE ADJUSTMENT
- To adjust white balance, select the color temperature [warm and cold] and enter the SON menu
- Set the channel temperature value and brightness on chroma 7120. Set 313 329 450 [warm temp] on CH-3 and 313 297 450 [cold temp] on CH-4.
- Press Mode key on chroma 7120 to switch xyY mode
- Use back sleeve on chroma 7120's lens to ensure no external ray.
- Set pattern 104 on chroma 2225.
- Adjust 'Scaler' RB, GB, BB values to make sure brightness is lowest, and set pattern 105 on chroma 225, and adjust RG, GG, BG value to make the value displaying on chroma 7120 is about 100.
- Press 'Save' to save the data.
- Switch to CH-4, select 'cold' temp and then adjust it according above method, and press 'Save' to save the data.
