Lenovo C22-20 User Manual

Chapter 2. 2-8
Understanding power management
Power management is invoked when the computer recognizes that you have not used your
mouse or keyboard for a user-definable period. There are several states as described in the
table below.
For optimal performance, switch off your monitor at the end of each working day, or whenever
you expect to leave it unused for long periods during the day.
Table 2-3. Power indicator
State Power Indicator Screen Restoring Operation
On White Normal
Standby/Suspend Amber Blank Press a key or move the mouse
There may be a slight delay
before the image reappears.
Note: Standby also occurs if
there is no image output to the
monitor.
Off Off Blank Press the power button
There may be a slight delay
before the image reappears.

Lenovo C22-20 Specifications

General

Panel type	TN
Color depth	8 bit
Pixel pitch	0.2483 x 0.2483 mm
Screen shape	Flat
Pixel density	102 ppi
Backlight type	W-LED
Display diagonal	21.5 \
Display technology	-
Native aspect ratio	16:9
Maximum refresh rate	75 Hz
Supported video modes	1080p
NTSC coverage (typical)	72 %
Viewable size, vertical	268.11 mm
Viewing angle, vertical	65 °
Contrast ratio (dynamic)	3000000:1
Display number of colors	16.78 million colors
Viewable size, horizontal	476.64 mm
Viewing angle, horizontal	90 °
Display brightness (typical)	200 cd/m²
Supported graphics resolutions	1920 x 1080 (HD 1080)
Product color	Black
Sustainability certificates	RoHS
HDMI	Yes
HDMI version	1.4
Tilt angle range	-5 - 22 °
Cable lock slot type	Kensington
Number of OSD languages	9
Panel mounting interface	100 x 100 mm
AC input voltage	100 - 240 V
AC input frequency	47/63 Hz
Power consumption (off)	0.3 W
Power consumption (standby)	0.5 W
Power consumption (typical)	14 W
Package depth	118 mm
Package width	594 mm
Package height	390 mm
Package weight	4380 g

Weight and Dimensions

Bezel width (top)	17.3 mm
Bezel width (side)	14.6 mm
Depth (with stand)	206.2 mm
Height (with stand)	386.4 mm
Weight (with stand)	2710 g
Bezel width (bottom)	23.9 mm
Depth (without stand)	51.1 mm
Width (without stand)	507.2 mm
Height (without stand)	310.7 mm
Weight (without stand)	2400 g