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World-Leading SmartEco Technology
for a Greener Environment

Schools today face the challenge of introducing new technologies and teaching tools into their classrooms and cut down on energy costs. In the effort to help schools meet the learning needs of their students as well as the green goals set by the school district, BenQ has collaborated with Philips Lighting in developing the perfect solution – the SmartEco Technology.

The SmartEco Technology brings a new way of operating the projector lamp system. Intuitive to use and environmentally friendly, this technology brings together the finest picture quality and maximum energy saving. With the SmartEco Technology, students and teachers get to make the most out of their classroom experience – and schools reduce the total cost of ownership with extended lamp life and lowered maintenance needs.


Eco Blank Mode

The Eco Blank mode allows teachers to blank the projection screen whenever they need to direct their students’ focus back on them – or simply when the projector is not in use. When activated, this special feature dims the lamp power automatically, lowering the total power consumption by up to 70%.

Smart Eco Mode

The Smart Eco mode is designed to use only the exact amount of lamp power a projector needs to deliver the best contrast performance. With this feature, schools get to provide students and teachers uncompromised projection quality and reduce the total cost of ownership by extending the lamp life and lowering power consumption.

No Source Detected Mode

There will be times when a projector is turned on without a display source, such as a classroom PC or notebook. To avoid a projector from running with full lamp power, BenQ created the No Source Detected Mode to lower the projector lamp brightness to 30% after the projector has remained unconnected to a display source for more than three minutes.

< 0.5W Standby Power Consumption

When inactive, the MX850UST keeps power consumption to a minimum with <0.5 W standby power. This helps extend the projector lamp life as well as reduce energy costs.

Hassle-Free Projector Maintenance

Upper Lamp Door for Easy Lamp Access

The upper lamp door is designed for IT managers to replace the projector lamp safely and quickly. Should the projector lamp go out in the middle of the class, it can be replaced without delaying the class.




Security Bar to Discourage Theft

A security bar is designed to enable projector managers to secure their classroom projectors either to a ceiling mount or an audiovisual equipment cart, adding extra “physical” security to a classroom projector. BenQ’s education projectors are each built with a security bar to help discourage a good number of opportunistic thieves.




LAN Control with Crestron and PJ-Link

LAN Control is designed to help IT managers perform day-to-day projector maintenance and repair tasks efficiently and effectively – offering them full access and control over every projector directly from their workstations. The MX850UST offers seamless support for the Crestron and PJ-Link LAN Control system.


The Perfect Sound Solution

Built-in 20W Big Audio Power

The MX850UST features two built-in 10W speakers to help enrich every lesson with top quality audio performances. These speakers are sealed and secured within the projector housing by BenQ’s anti-shake design to ensure projection stability at all times.



Microphone Input Support

With the microphone input, teachers get to reach every student with straining their voice. All they need to do is plug in the microphone or microphone headset to get started!





Projection System DLP® technology by Texas Instruments®
Native Resolution XGA(1024x768)
Brightness 2500 ANSI lumens
Contrast Ratio 13000:1
Display Color 1.07 Billion Colors
Lens F=2.65, f=5.22mm
Aspect Ratio Native 4:3 (5 aspect ratio selectable)
Throw Ratio 0.45 (78"@71.3cm)
Image Size (Diagonal) 50"~300"
Zoom Ratio Fixed
Lamp(Normal/Economic Mode/SmartEco Mode)* 230W, 3500/5000 hours (up to 6500 hours under Smart Eco mode)
Keystone Adjustment 1D, Vertical ± 15° (Manual)
Projection Offset 150%
Resolution Support VGA(640 x 480) to UXGA(1600 x 1200)
Horizontal Frequency 31~102KHz
Vertical Scan Rate 23-120Hz
Interface Computer in (D-sub 15pin) x 2 (Share with Component)
Monitor out (D-sub 15pin) x1
Composite Video in (RCA) x1
S-Video in (Mini DIN 4pin) x1
Audio in (Mini Jack) x2
Audio L/R in (RCA) x2
Audio out (Mini Jack) x1
Microphone in (Mini Jack) x1
Speaker 10W x 2
LAN (RJ45) x 1 (LAN Control )
HDMI V1.3 x1
USB (Type Mini B) x 1 (USB Download & Page up/down)
DC 12V Trigger (3.5mm Jack) x1
RS232 (DB-9pin) x1
Dimensions(W x H x D) 339 x 236.9 x 322.8 mm
HDTV Compatibility 480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Video Compatibility NTSC, PAL, SECAM
Weight 5.3kg (11.7lbs)
Audible Noise 33/27 dBA (Normal/Economic mode)
Power Supply 100 to 240 VAC, 50/60 Hz
Power Consumption 321W (Typical), Standby < 0.5W
On-Screen Display Languages Arabic/ Bulgarian/ Croatian/ Czech/ Danish/ Dutch/ English/ Finnish/ French/ German/ Greek/ Hindi/ Hungarian/ Italian/ Indonesian/ Japanese/ Korean/ Norwegian/ Polish/ Portuguese/ Romanian/ Russian/ Simplified Chinese/Spanish/ Swedish/ Turkish/ Thai/ Traditional Chinese (28 Languages)
Picture Modes Dynamic Mode
Presentation Mode
sRGB Mode
Cinema Mode
User 1 Mode
User 2 Mode
Accessories (Standard) Remote Control w/ Battery
Power Cord (by region)
User Manual CD
Quick Start Guide
VGA(D-sub 15pin) Cable
Accessories (Optional) Presentation Plus
Spare Lamp Kit
Ceiling Mount
3D Glasses
3D Support and Compatibility PC:
120Hz Frame Sequential 3D for resolutions up to WXGA
60Hz Top-bottom 3D for resolutions up to SXGA+
60Hz Frame Sequential 3D resolutions up to WXGA
60Hz Frame Sequential 3D for resolutions up to 480i

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