Acer AT2231 Wartungshandbuch PDF herunterladen (Seite 39)

PC mode display adjustment

WHITE-D adjustment (B)

General set-up:

Equipment Requirements: Minolta CA-110 or Equivalent Color analyzer

Chroma 2250 or equivalent PC signal generator

Input requirements:

Input Signal Type: PC VGA signal

1024X768/60Hz PC mode with PGCWRGB pattern. (see pattern-1)

Input Signal Strength: 0.7 Vp-p linear voltage.

Input Injection Point: PC D-SUB input

Pattern-1

Alignment method:

Initial Set-up:

1. Select source as “VGA”.

2. Set Contrast = 50 (CMO) and Brightness=50 (CMO), at Standard menu mode.

3. Apply “PGCWRGB”(pattern-1) pattern by VGA pattern generator.

4. Enter factory mode menu: press “MENU+ “234” then enter FAC mode

Alignment:

1. At FAC mode menu, select FACTORY->Picture ->ADC -> Auto Colour item. Then press “>” key to adjust

ADC_GAIN_R, ADC_GAIN_G, ADC_GAIN_B and ADC_OFFSET_R, ADC_OFFSET_G, ADC_OFFSET_B. Then

store those values to NVM.

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Acer AT2231 Wartungshandbuch Seite 39