ViewSonic VSD220 User Manual

Table of Contents
ix
7.2 Disable the screen unlock security ................................... 36
7.3 Protect Your Device Data with a PIN ................................ 36
7.3.1 Disable or change PIN ......................................... 37
7.4 Protect Your Device Data with a Password ...................... 37
7.4.1 Disable or change the password ......................... 37
7.5 Power Saving Feature ...................................................... 38
7.6 Power Management Information ...................................... 38
8 Troubleshooting
8.1 Messaging Problems ........................................................ 39
8.2 Internet Problems ............................................................. 39
8.3 Other Problems ................................................................ 39
9 Appendix
Specication ............................................................................. 40

ViewSonic VSD220 Specifications

General

Processor cores	2
Processor family	-
Processor frequency	1 GHz
Internal memory	1 GB
Maximum internal memory	- GB
Optical drive type	No
Card reader integrated	Yes
Total storage capacity	8 GB
Compatible memory cards	MicroSD (TransFlash)
Megapixel	1.3 MP
Chassis type	All-in-One
Power supply type	AC/DC
Dimensions (WxDxH)	512.8 x 21.9 x 353 mm
USB connector type	Micro-USB A
Storage drive average seek time	5 ms
Display diagonal	21.5 \
Touch technology	Multi-touch
Display brightness	250 cd/m²
Native aspect ratio	16:9
Contrast ratio (typical)	1000:1
RMS rated power	3 W
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	2.1+EDR
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0
Product color	Black
Operating system installed	Android 4.0
AC adapter input voltage	100 - 240 V
Power consumption (typical)	40 W
Cables included	AC
Certification	UL/cUL, CE, CB, FCC-B(including ICES003), CCC, Gost-R/Hygienic, China Energy
Sustainability certificates	RoHS

Weight and Dimensions

Package weight	5800 g
Depth (with stand)	21.9 mm
Width (with stand)	512.8 mm
Height (with stand)	353 mm
Weight (with stand)	4800 g