If you are using any of the following computer models or graphics cards, you must turn off the DDC (Data Display Channel) control to make the maximum number of resolutions available:
For example, if you are using any of the above computer models, or a third-party video card, and you are able to access only the 640- by 480-pixel resolution setting, you must turn off the DDC control to access the rest of the resolution settings.
Turning off the DDC control
1. Press the OSD Enter button on the left of the monitor. The main menu of the on-screen display (OSD), the Basic Adjustments screen, appears. This menu contains the seven main control icons of the OSD: Basic Adjustments, Geometry, Image, Color, OSD Adjust, Language, and ETC. These icons represent controls that you use to adjust the picture and the on-screen display window.
Figure 1 On-screen display (OSD) menu
Figure 2 Basic adjustments screen
2. Use the left or right arrow buttons to highlight the ETC icon and press the Enter button. Select Off to disable DDC. More resolutions should now be available.
Figure 3 Image screen
3. Press the OSD Exit button to leave the OSD function.
Figure 4 ETC screen icons
- Power Macintosh 6100, 7100, and 8100 series
- PowerBook 1400 and 5300
- Power Macintosh 9500, 6200, 6300, and 6400 series
- some third-party video cards
For example, if you are using any of the above computer models, or a third-party video card, and you are able to access only the 640- by 480-pixel resolution setting, you must turn off the DDC control to access the rest of the resolution settings.
Turning off the DDC control
1. Press the OSD Enter button on the left of the monitor. The main menu of the on-screen display (OSD), the Basic Adjustments screen, appears. This menu contains the seven main control icons of the OSD: Basic Adjustments, Geometry, Image, Color, OSD Adjust, Language, and ETC. These icons represent controls that you use to adjust the picture and the on-screen display window.
Figure 1 On-screen display (OSD) menu
Figure 2 Basic adjustments screen
2. Use the left or right arrow buttons to highlight the ETC icon and press the Enter button. Select Off to disable DDC. More resolutions should now be available.
Figure 3 Image screen
3. Press the OSD Exit button to leave the OSD function.
Figure 4 ETC screen icons