Adjusting The Image - IBM 4820 Planning, Installation And Service Manual

January 14, 2005

Adjusting the image

This section describes how to adjust the image and adjust the touch screen.
Models 1xx and 4xx
Using the OSD menu
The on-screen display (OSD) menu allows you to adjust the display settings such
as contrast, brightness, clock phase, and image position.
To open the OSD menu, press and hold the minus (−) and plus (+) buttons at the
same time. The following menu appears:
Auto Adjust
Manual Adjust
Brightness
Contrast
Information
Reset
Exiting the OSD Menu: To exit the OSD menu, press the minus (−) and plus (+)
buttons at the same time. The system saves your values.
Exiting through time-out: The OSD menu times-out after approximately 20 seconds
of inaction. The system does not save any of your values.
Using Manual Adjust: Normally, you do not need to use Manual Adjust because
Auto Adjust sets the parameters at the optimum value. However, Manual Adjust
allows you to fine-tune the display timings.
Auto Adjust
Manual Adjust
Brightness
Contrast
Information
Reset
______________________________
(+) Select
(-) Scroll
(+&-) Exit
Automatically adjusts the video settings. Use this option when you install
the display and at any time the video mode is changed, or the 4820 is
moved to another host system.
Allows you to modify the clock, phase, and image position.
Allows you to modify the display's brightness setting.
Allows you to modify the contrast setting.
Provides the current screen resolution, the horizontal, and the refresh
signal frequencies.
Presents Yes or No dialog box that allows you to reset the menu settings to
the default values.
Adjusting the image
Chapter 2. Installing the IBM 4820
2-35