Dell S2421H User Manual

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Contents
Safety instructions.......................... 5
About your monitor ......................... 6
Package contents . . . . . . . . . . . . . . . . . . . . . . 6
Product features . . . . . . . . . . . . . . . . . . . . . . .8
Identifying parts and controls . . . . . . . . . . . . . . . .9
Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Monitor specifications . . . . . . . . . . . . . . . . . . . 12
Resolution specifications . . . . . . . . . . . . . . . . . . . . . . 13
Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . 13
Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . 13
Speaker specifications . . . . . . . . . . . . . . . . . . . . . . . 14
Physical characteristics. . . . . . . . . . . . . . . . . . . . . . . 15
Environmental characteristics . . . . . . . . . . . . . . . . . . . 15
Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Plug-and-play . . . . . . . . . . . . . . . . . . . . . . . 18
LCD monitor quality and pixel policy . . . . . . . . . . . 18
Ergonomics. . . . . . . . . . . . . . . . . . . . . . . . . 18
Handling and moving your display . . . . . . . . . . . . . 20
Maintenance guidelines . . . . . . . . . . . . . . . . . . 21
Cleaning your monitor. . . . . . . . . . . . . . . . . . . . . . . . 21
Setting up the monitor...................... 22
Connecting the stand . . . . . . . . . . . . . . . . . . . 22
Using the tilt . . . . . . . . . . . . . . . . . . . . . . . . 25
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Dell S2421H Specifications

General

Pixel pitch	0.2745 x 0.2745 mm
Screen shape	Flat
Pixel density	92.56 ppi
Backlight type	LED
Display diagonal	23.8 \
Display technology	LCD
Native aspect ratio	16:9
Vertical scan range	48 - 75 Hz
Maximum refresh rate	75 Hz
Response time (fast)	5 ms
Horizontal scan range	30 - 83 kHz
Supported video modes	480i, 480p, 576i, 576p, 720p, 1080i, 1080p
NTSC coverage (typical)	72 %
Viewable size, vertical	296.46 mm
Contrast ratio (typical)	1000:1
Display number of colors	16.78 million colors
Viewable size, horizontal	527.04 mm
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1600 x 900, 1920 x 1080 (HD 1080)
AMD FreeSync	Yes
Sustainability certificates	RoHS, ENERGY STAR
Audio input	-
HDMI version	1.4
DisplayPorts quantity	0
Product color	Gray
Front bezel color	Black
Heavy metals free	Hg (mercury)
Market positioning	Business
RMS rated power	6 W
Tilt angle range	-5 - 21 °
Panel mounting interface	100 x 100 mm
Cables included	AC, HDMI
AC input voltage	120 - 230 V
Power supply type	Internal
AC input frequency	50 - 60 Hz
Energy efficiency scale	A to G
Power consumption (max)	30 W
Annual energy consumption	21 kWh
Power consumption (standby)	0.2 W
Power consumption (typical)	13.1 W
Operating altitude	0 - 5000 m
Non-operating altitude	0 - 12192 m
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 80 %
Package depth	619 mm
Package width	134.87 mm
Package height	394.97 mm
Harmonized System (HS) code	85285210

Weight and Dimensions

Bezel width (side)	5.4 mm
Depth (with stand)	152.8 mm
Width (with stand)	537.8 mm
Height (with stand)	412.8 mm
Weight (with stand)	3900 g
Bezel width (bottom)	20.7 mm
Depth (without stand)	53.8 mm
Height (without stand)	322.6 mm
Weight (without stand)	3400 g