ViewSonic LS920WU User Manual

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Light Source Information
This section will provided a better understanding of your projector’s light source.
Light Source Hour
When the projector is being used, the duration (in hours) of light source usage is
automatically calculated by the built-in timer.
To obtain the light source hour information:
1. Press Menu to open the OSD Menu and go to: Advanced > Light Source Settings
> Light Source Hours Information.
2. Press Enter and the Light Source Hours Information page will appear.
3. Press Exit to leave the menu.
Extending Light Source Life
To prolong light source life, you can adjust the following settings in the OSD Menu.
Setting Light Source Mode
Setting the projector in Eco, Dynamic Eco, or SuperEco+ mode reduces system
noise, power consumption, and extends the light sources operational life.
Light source
Mode
Description
Normal Provides full light source brightness.
Eco
Reduces light source power consumption by 30% and lowers
brightness, and decreases fan noise.
Dynamic Eco
Reduces light source power consumption by up to 60% depending
on the content's brightness level.
Custom
Allows you to adjust the light source power to extend the light
source life and decreases the fan noise.
To set the Light Source Mode, open the OSD Menu and go to: Advanced >
Light Source Settings > Light Source Mode and press / to select and press
Enter.
Setting Auto Power Off
This allows the projector to turn off automatically after a set period of time once no
input source is detected.
Open the OSD Menu and go to: POWER MANAGEMENT > Smart Energy >
Auto Power Off and press
/
to disable or adjust the time.

ViewSonic LS920WU Specifications

General

Focus	Manual
Offset	0 %
Throw ratio	1.36-2.18
Zoom capability	Yes
Focal length range	14.3 - 22.9 mm
Aperture range (F-F)	1.81 - 2.1
Matrix size	0.48 \
Number of colors	1.07 billion colors
Native aspect ratio	-
Projection distance	0.88 - 14.09 m
Vertical scan range	23 - 120 Hz
Projection technology	DMD
Contrast ratio (typical)	3000000:1
Screen size compatibility	30 - 300 \
Projector native resolution	WUXGA (1920x1200)
Keystone correction, horizontal	-40 - 40 °
Interactive	No
Noise level	36 dB
Number of OSD languages	23
Noise level (economic mode)	29 dB
On Screen Display (OSD) languages	ARA, CHI (SIMPL), CHI (TR), CZE, DEU, DUT, ENG, ESP, FIN, FRE, GRE, IND, ITA, JPN, KOR, POL, POR, RUS, SWE, THA, TUR, VIE
Cables included	AC, VGA
Ethernet LAN (RJ-45) ports	1
HDMI connector type	Full-size
Serial interface type	RS-232
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.
Component video (YPbPr/YCbCr) in	0
Operating altitude	0 - 3000 m
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Analog signal format system	NTSC, PAL, SECAM
Supported graphics resolutions	640 x 480 (VGA), 3840 x 2160
Power source	AC
AC input voltage	100-240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	450 W
Lamp power	74 W
Lamps quantity	2 lamp(s)
Light source type	Laser
Service life of light source	20000 h
Placement	Desktop, Ceiling
Product type	Standard throw projector
Product color	White
Market positioning	Presentation
RMS rated power	20 W
Harmonized System (HS) code	85286200

Weight and Dimensions

Depth	305 mm
Width	405 mm
Height	145 mm
Weight	6500 g
Package depth	490 mm
Package width	515 mm
Package height	276 mm
Package weight	9000 g