This table specifies the resolution by model number or touch technology type.
Condition description Resolution
Touch area does not work.
1. Windows only: Verify that touch has not been disabled in the
ELO Properties page.
2. Install and run the Blocked Beam Monitor (see “IBM Advanced
Touch Screen Configurator” on page 65).
Table 11. Supported video modes
Resolution Vertical frequency (Hz)
640x350 70
640x400 70
720x350 70
720x400 70
640x480 60, 72, 75
800x600 56, 60, 72, 75
1024x768 (15-inch models only) 60, 70, 75
LED states
The 4820 SurePoint Solution has a dual-color LED: green or amber. The monitor’s
power management state determines the lighting of the LED. Green indicates full
power usage, and amber indicates low power mode or no detected video signal.
Update November 2005
78 4820 Planning, Installation and Service Guide
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