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6 Alignment and Adjustments
6-3 Display Control Adjustments
6-3-1 Centering
Centering means to position the center point of
the display in the middle of the display area.
Horizontal size and position and vertical size and
position control the centering of the display.
Adjust the horizontal size and vertical size to their
optimal settings: 306 mm (H) x 230 mm (V).
Adjust the horizontal position and vertical
position to ≤ 4.0 mm of the center point of the
screen.
|A-B| ≤ 4.0 mm.
|C-D| ≤ 4.0 mm.
C
A
D
Figure 6-3. Centering
6-3-1 (a) HORIZONTAL SIZE ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Brightness:
Contrast:
Click on the << or >> box next to H_SIZE to
adjust the horizontal size of the display pattern
to 306 mm. (Tolerance: ± 3 mm.)
Caution: Must be adjusted first of all the
H_SIZE to 306 mm ± at VGA2
(31 kHz/70 Hz). Because all mode
variable H_SIZE range is based on
the adjusted factory data of VGA2.
6-3-1 (b) VERTICAL SIZE ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Brightness:
Contrast:
Click on the << or >> box next to V_SIZE to
adjust the vertical size of the display pattern to
230 mm. (Tolerance: ± 3 mm.)
6-3-1 (c) HORIZONTAL POSITION ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
6-4
DISPLAY AREA
B
EDGE OF BEZEL
60 kHz/75 Hz
Crosshatch pattern
Maximum
Maximum
60 kHz/75 Hz
Crosshatch pattern
Maximum
Maximum
60 kHz/75 Hz
Crosshatch pattern
Click on the << or >> box next to H_POSI to
center the horizontal image on the raster.
6-3-1 (d) VERTICAL POSITION ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Click on the << or >> box next to V_POSI to
center the vertical image on the raster.
6-3-2 Linearity
Linearity affects the symmetry of images as they
appear on the screen. Unless each row or column
of blocks in a crosshatch pattern is of equal size,
or within the tolerances shown in Tables 6-2 and
6-3, an image appears distorted, elongated or
squashed.
Table 6-1. Standard Modes Linearity: 640x480/75Hz,
800x600/85Hz and 1024x768/85Hz
Standard Modes Linearity
Each block (10 %)
Horizontal: 18.2~20.1
4 : 3
Vertical : 18.2~20.1
Horizontal: 17.1~18.9
5 : 4
Vertical : 18.2~20.1
Table 6-2. Other Modes Linearity: VGA, SVGA, XGA,
MAC, etc.
Supported Timing Mode
Each block (14 %)
Horizontal: 17.8~20.5
4 : 3
Vertical : 17.8~20.5
Horizontal: 16.7~19.2
5 : 4
Vertical : 17.8~20.5
6-3-2 (a) HORIZONTAL LINEARITY ADJUSTMENT
The CKG7507L/LM monitors offer only Vertical
Linearity adjustments. Horizontal Linearity is
fixed on the Chassis and is not adjustable.
60 kHz/75 Hz
Crosshatch pattern
Difference between
adjacent blocks (4 %)
Horizontal: Less than 0.77 mm
Vertical : Less than 0.77 mm
Horizontal: Less than 0.72 mm
Vertical : Less than 0.77 mm
Difference between
adjacent blocks (5 %)
Horizontal: Less than 0.96 mm
Vertical : Less than 0.96 mm
Horizontal: Less than 0.90 mm
Vertical : Less than 0.96 mm
CKG7507L
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