Digital Device LL500H Users Manual

User’s Manual

1.Setup for Operation

Once the circuit has been connected, a setup procedure for optimal operation is required some time.
The following instructions are likely to form the basis of the finished product operation manual.

l PC Settings

The PC needs to be set to an appropriate graphics mode that has the same resolution with the LCD panel
to have clear screen image. And the vertical refresh rate should be set to one of 56-75Hz, non-interlaced.

l LCD Display System Settings

The OSD(On Screen Display) provides certain functions to have clear image and others.
This board supports 4 buttons OSD operation as a standard. The control functions defined on OSD
operation are as below.

1) Functions on OSD Menu

OSD Menu Descriptions

Auto Adjustment Auto Geometry & Auto Color Balance

Auto Geometry Automatically adjust the Horizontal position, Vertical position, Horizontal

size, and Phase. In order to have good Auto Adjustment operation, You
would better have full screen Window’s background or characters on the
screen prior to proceeding this function.

Auto Color Balance Auto adjust the color balance of the screen
Horizontal Position Adjust the horizontal position of the screen’s image.
Vertical Position Adjust the Vertical position of the screen’s image.

Horizontal Size Adjust the horizontal size of the screen’s image.
Phase Adjust the focus of the screen’s image.
Brightness Adjust the brightness of the screen.

Contrast Adjust the contrast of the screen.
Color Temperature, Red, Green & Blue
Language Select one of the five language(English, French, German, Italian, Spanish)

Advanced Factory Preset, Sharpness, DOS/GFX, OSD Horizontal / Vertical Position

Cancel Ignore current changes and keep the pervious data.

Digital Device, Inc.

2) Hotkey Function Definition

OSD KEY Functions

DOWN Brightness control
UP Contrast control
SEL Auto Geometry Adjustment

2.Applicable Graphic Mode

The microprocessor measure the H-sync, V-sync and V-sync/H-sync polarity for RGB inputs, and uses
this timing information to control all of the display operation to get the proper image on a screen.
This board can detect all VESA standard Graphic modes shown on the table below and provide more
clear and stable image on a screen.

Spec

Mode

640x350
@70Hz

640x480
@70Hz

720x400
@70Hz

640x480
@60Hz

640x480
@72Hz

640x480
@75

800x600
@56Hz

800x600
@60Hz

800x600
@72Hz

800x600
@75Hz

1024x768
@60Hz

1024x768
@70Hz

1024x768
@75Hz

Horizontal Timing Vertical TimingPixel

Freq.

MHz KHz Pixel Pixel Hz Line Line

25.144 P 31.430 800 640 N 70.000 449 350

28.287 N 31.430 800 640 P 70.000 449 400

28.287 N 31.430 900 720 P 70.000 449 400

25.175 N 31.469 800 640 N 59.940 525 480

31.500 N 37.861 832 640 N 72.809 520 480

31.500 N 37.500 840 640 N 75.000 500 480

36.000 P 35.156 1024 800 P 56.250 625 600

40.000 P 37.879 1056 800 P 60.317 628 600

50.000 P 48.077 1040 800 P 72.188 666 600

49.500 P 46.875 1056 800 P 75.000 625 600

65.000 N 48.363 1344 1024 N 60.005 806 768

75.000 N 56.476 1328 1024 N 70.070 806 768

78.750 P 60.023 1312 1024 P 75.030 800 768

Sync
Polar

Freq Total Active Sync

Polar

Freq Total Active

Digital Device, Inc.