Dell ST2220T Electrical Specifications, Physical Characteristics, Environmental Characteristics

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Display Mode		Horizontal	Vertical	Pixel Clock	Sync Polarity
		Frequency	Frequency (Hz)	(MHz)	(Horizontal/Vertical)
		(kHz)
640 x	350	31.47	70.09	25.18	+/-
640 x	400	31.47	70.09	25.18	-/+
640 x	480	31.47	59.94	25.17	-/-
640 x	480	31.50	75.00	31.5	-/-
720 x	400	31.47	70.08	28.32	-/+
800 x	600	37.88	60.32	40.00	+/+
800 x	600	46.880	75.00	49.50	+/+
1024 x 768		48.36	60.00	65.00	-/-
1024 x 768		60.02	75.03	78.75	+/+
1152 x 864		67.50	75.00	108.00	+/+
1280 x	1024	63.98	60.02	108.00	+/+
1280 x	1024	79.98	75.02	135.00	+/+
1920 x 1080-R		66.587	59.934	138.50	+/-
1920 x	1080	55.62	49.92	141.50	-/+

Electrical Specifications

	Analog RGB, 0.7 Volts +/- 5%, positive polarity at
	75 ohm input impedance
Video input signals	Digital DVI-D TMDS, HDMI, 600mV for each
	differential line, positive polarity at 50 ohm input
	impedance

Audio Input and Output signals	Input signal level: 2Vrms without chipping

	Separate horizontal and vertical synchronizations,
Synchronization input signals	polarity-free TTL level, SOG (Composite SYNC on
	green)
	100 to 240 VAC/50 or 60 Hz + 3 Hz/1.6A (Max.)
AC/DC Adaptor input voltage/frequency/current	For use only with power supply DELL,
	For use only with power supply DELL,
	DA65NS4-00.

Inrush current	120 V: 30 A (Max.)
Inrush current	240 V: 60 A (Max.)
	240 V: 60 A (Max.)

Physical Characteristics

Connector type	15-pin D-sub miniature, blue connector; DVI-D, white connector; HDMI, Black connector

	Digital: Detachable, DVI-D, Solid pins, shipped detached from the monitor
Signal cable type	Analog: Detachable, D-Sub, 15pins, shipped attached to the monitor
	HDMI: Detachable, HDMI-A, Solid pins, shipped without cable

Dimensions

Height

Width

Depth

14.96inches (380.1 mm)

20.79inches (528.1 mm)

2.3inches (58.5 mm)

Weight

Weight with packaging	8.03 kg (17.7 lbs)

Weight with cables	6.30 kg (13.9 lbs)

Environmental Characteristics

Temperature

Operating

0° to 40° C (32° to 104° F)

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Contents Dell ST2220T monitor Users Guide Package Contents About Your MonitorIdentifying Parts and Controls Front View Product FeaturesFront View Label Description Bottom View Back ViewSide View Left view Right viewPower Management Modes Monitor SpecificationsBottom view Label Description Pin Number Pin Side of the Connected Signal Cable Pin AssignmentsTransfer speed Data Rate Power Consumption Universal Serial Bus USB InterfacePin Number Pin Side of the Signal Cable Monitor SpecificationsPin Number Pin Side of the connector Plug and Play CapabilityPreset Display Modes Touch Screen SpecificationsResolution Specifications Touch screen OS compatibilityPhysical Characteristics Electrical SpecificationsEnvironmental Characteristics Humidity Maintenance GuidelinesCleaning Your Monitor AltitudeAppendix Visit support.dell.comSetting Up Your Monitor Setting Up Your Monitor Operating the Monitor Using the Front Panel OSD ControlsTurn On the Monitor Using the On-Screen Display OSD Menu Accessing the Menu SystemBRIGHTNESS/CONTRAST Auto AdjustIcon Menu and Submenus Description Back BrightnessInput Source Color Settings Hue Saturation Demo Mode Reset Color Settings Display SettingsAudio Settings Normal Overdrive defaultDDC/CI Other SettingsBack Language Menu Transparency Menu Timer Menu Lock LCD ConditioningOSD Warning Messages Factory ResetPersonalize Setting the Maximum Resolution Configure the monitor to the desired position to useUsing the Touch Screen Setting the display resolution to 1920 x 1080 Maximum Dell ST2220T monitor Setting Up the Monitor Connecting Your MonitorConnecting the USB Cable Connecting the Audio CableOrganizing Your Cables Built-in Diagnostics TroubleshootingSelf-Test Common Problems Common Symptoms What You See Possible SolutionsTouch Screen problems Product-Specific ProblemsUniversal Serial Bus USB Specific Problems Specific Symptoms What You See Possible SolutionsCalibrating the Touch Screen