ViewSonic TD2220 User Manual

7
Control of the Touch Function
1. Before using the touch function, make sure the USB cable is connected and the Windows 7
operating system is started.
2. When the touch function is active, make sure there is no foreign object in the areas
encircled in the figure below.
Make sure there is no foreign object in the encircled areas.
Note:
1. The touch function may need about 7 seconds to resume if the USB cable is
re-plugged or the computer resumes from sleep mode.
2.
The touchscreen can only detect up to two fingers simultaneously.

ViewSonic TD2220 Specifications

General

Full HD	Yes
Dimensions (WxDxH)	511 x 66 x 310 mm
Display viewable area (HxV)	477.5 x 269.2 mm
Dimensions (W x D x H) with stand	511 x 240 x 635 mm
Mean time between failures (MTBF)	40000 h
3D	No
Aspect ratio	16:9
Screen shape	Flat
Backlight type	W-LED
Display diagonal	21.5 \
Touchscreen type	Tabletop
Display brightness	200 cd/m²
Display technology	LED
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	20000000:1
Contrast ratio (typical)	1000:1
Display diagonal (metric)	54.61 cm
Viewing angle, horizontal	170 °
Digital vertical frequency	50 - 76 Hz
Digital horizontal frequency	24 - 83 kHz
Certification	CE, CB, BSMI, PSB, SASO, C-tick, e-standby, KC, UL/cUL, FCC-B (ICES003), UL CoC, Mexico Energy, GOST-R/Hygienic, UkrSEPRO, TCO 5.2, Erp, CCC, China Energy, EPEAT Silver, WEEE, RoHS, SVHC
Product color	Black
Compatible operating systems	Windows 7
Audio input	1
USB Type-A downstream ports quantity	2
Tilt angle range	20 - 5 °
Panel mounting interface	100 x 100 mm
AC input voltage	110 - 240 V
Power supply type	AC
AC input frequency	50 - 60 Hz
Power consumption (typical)	26 W
Power consumption (PowerSave)	18 W
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	20 - 90 %
Package weight	6450 g
RMS rated power	4 W
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	240 mm
Width (with stand)	511 mm
Height (with stand)	635 mm
Weight (with stand)	4920 g
Weight (without stand)	3960 g