Dell ST2220T User's Guide download pdf (Page 9)

* ST2220T color gamut (typical) is based on CIE1976 (82%) and CIE1931 (72%) test standards.

Touch Screen Specifications



Touch screen OS compatibility



Resolution Specifications

Video Supported Modes



Preset Display Modes

Color Depth

16.7 mil colors

Color Gamut

82%*

Touch Technology

Optical touch

Touch Method

Finger, stylus or any pointer

Stylus Diameter

Minimum 7 mm

Capabilities

Mouse functionality—click, drag, double-click and right-click

Touch functionality—support Win7 multi-touch gestures

Resolution

1920 X 1080

Accuracy

+/-2.5 mm over 95% of touchable area (Microsoft Windows 7

compliant )

Touch Activation Force

No pressure required

Touch Durability

Unlimited

Touch Response Time

Typical response time 15 ms

Function

Vista

Win7

Starter

Win7

Home

Basic

Win7

Home

Premium

Win7

Ultimate

Win7 Pro

Win7

Enterprise

Other

Operating

Systems

Single-touch

Yes

Multi-touch(two points)

Yes

NOTE:

l Support native Win7 multi-touch. (plug & play)

l Support single-touch (mouse behavior) in Vista. (Need to install touch screen driver. Please find the touch screen driver for Vista in the CD)

l Supports Windows Vista and Windows 7 operating systems only.

l Touch screen is out of alignment when the desktop is not full screen.

l Win7 OS will automatically install touch screen driver each time when the USB cable is plugged into a USB port.

l If you want to enable the touch screen functionality on the secondary monitor:

1. Set the primary monitor as an extended display.

2. Go to Start -> Control Panel -> Tablet PC Settings. Click Setup and follow the instructions on the screen.

Horizontal scan range

30 kHz to 83 kHz (automatic)

Vertical scan range

56Hzto76Hz(automatic)

Optimal preset resolution

1920 x 1080 at 60 Hz

Highest preset resolution

1920 x 1080 at 60 Hz

Video display capabilities (DVI

playback)

480i/480p/576i/576p/720p/1080i/1080p

(Supports HDCP)

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