Apple Multiple Scan 720 Display User Manual download pdf (Page 4)

4 Chapter 1

The monitor works with video circuitry that operates within these ranges:

m horizontal scan rate of 30–69 kilohertz

m vertical refresh rate of 48–160 hertz

Common video modes ranges*

Resolution Vertical refresh rate (hertz)

640 x 480 60-85

800 x 600 60-85

832 x 624 75

1024 x 768 60-85

1152 x 870 75

1280 x 1024 60

* These are ranges only; the actual resolutions and vertical refresh rates that are available to you depend on your computer or

graphics card. See the manual that came with your computer or graphics card for more information.

If your computer supports any of these ranges, you don’t need a graphics card. If your

computer supports none of these video mode ranges, you need to install a compatible

graphics card in your computer and connect the monitor to the video card.

Note: The Apple 8•24, Apple 8•24

GC, some NuBus

™

graphics cards, and some third-party

PCI cards are not fully compatible with your monitor. If a card is not fully compatible, the

software cannot be used to adjust the screen image or change resolutions, but the controls

on the front of the monitor may be used to adjust some setttings.

Your Apple-authorized dealer can help you select a compatible graphics card. Keep this

information, the information in the Appendix, “Technical Information,” and your computer

manual handy when selecting a card.

Note: This monitor is preadjusted at common resolution and vertical refresh rate settings

(see “Active Video Image Area” in the Appendix). If you don’t use a preadjusted resolution,

you’ll need to adjust the screen geometry; to learn how to adjust the screen geometry, see

Chapter 3, “Using Manual Controls and the On-Screen Display.”

Using more than one monitor

If your computer has expansion slots, you can use your Apple Multiple Scan Display with one

or more additional monitors connected to your computer. You may need a graphics card for

each additional monitor you are using. See the manual that came with your computer for

information on working with additional monitors.

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Apple Multiple Scan 720 Display User Manual Page 4