6.User the lux meter and adjust Gamma-Rgain, Gamma-Ggain, & Gamma-Bgain to meet the spec.

7. Press “Save Color Temp. Videos > AS Color Temp 5400” to save into memory.

8.Repeat 6~7 to perform the 6500K and 7500K color temperature.

9.Select “Save Setting” at “Factory OSD>Factory>”.

10.For auto-alignment, use Command Y80/Y81/Y82 to save 5700K/6500K/9300K temperature.

5.2 Gray Level for YCBCR Component

Procedure:

(a). Gray Level:

1.Connect power, YCbCr Video into projector.

2.Change Timing and pattern of pattern generator : Timing : NTSC(H:15.73 KHz,V:29.96 Hz) pattern : gray 32( or gray16 only for overscan)

3.Light on projector

4.Set user OSD values to default.

5.Enter factory mode.

6.Set Factory values to default.

7.Adjust the Brightness and Contrast to let the black level to just distinguish, and the light output of white level to just max.

8.Check the 32 levels of gray. All steps must appear,

(b). Saturation Level:

9.Change Timing and pattern of pattern generator : Timing : NTSC(H:15.73 KHz,V:29.96 Hz) pattern : 100% blue

10.Adjust saturation and use the Lux meter to measure to let the light output just max.

11.Select “Save Setting” at “Factory OSD>Factory>”.

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BenQ PE8700 service manual Gray Level for Ycbcr Component Procedure, Saturation Level