Mitsubishi’s radical ‘cloud’ projectors

Two of Mitsubishi’s latest short-throw projectors are firmly aimed at schools, colleges and universities.

Mitsubishi WD390U-EST

Summary

 

The WD390U is one of Mitsubishi Electric’s ‘Cloud’ projectors, firmly aimed at the education sector, with two key innovations. One is short-throw projection that makes it useable in small spaces and the other is ‘thin-client’ connectivity, capable of taking inputs from a local server, the internet or Cloud services.  Additionally, thin-client allows presenters to use a mobile device such as a tablet or a smartphone to access the projector. The WD390U is exceptionally quiet and can also project JPEG images direct from a USB memory stick.

 Functionality:

  • WXGA (1280×800) ultra short throw projection can display a 250 cm diagonal image from about 75 cm away.
  • Light output rated at 2800 lumens maximum but actually delivers more than 3000 lm in full power Presentation mode (best for monochrome images).
  • Blackboard and Whiteboard modes tailor image for projection on ‘makeshift’ surfaces
  • Audio mix capability allows a teacher to use a wireless microphone to create amplified real-time voice over audio track.
  • ‘Thin client” technology uses Remote Desktop Protocol (RDP) to log in to your server account to access all of your files and share them direct from the projector.
  • WiFiDoc ‘cloud’ projection allows presentations direct from smartphones and tablets.
  • Inbuilt 10W speaker can be used to play blended audio sources, such as original audio track and presenter’s voice and can also be used with projector powered off.

 

 User-friendliness

  •  Lack of external mirror means light path is sealed away from dust, scratches, and accidental knocks.
  • WD390U-EST is easy to set up to produce a level picture that’s sharp and clear right to the corners.
  • Very low 33 dB fan noise.
  • Loosely mounted focus lever makes fine adjustment tricky.
  • Cluttered and poorly designed remote not intuitive in use.

 

 Mobility and flexibility

  • Stand alone projection capabilities mean easier set up and less need for IT support.
  • Mild upward throw angle offset of 12 per cent makes projector usable with wall mount or cart, rather than ceiling mount.
  • Ultra short throw capability allows teacher to stand near projected image without casting a shadow.

 

 Costs

  • No lamp to wear out. Laser/LED light unit has five year minimum life.
  • Sealed light path with no external mirror makes unit less vulnerable to damage.
  • Standard lamp life is 3,000 hours, extended to 6,000 hours in Low lamp mode.
  • No air filters to clean or replace.
  • Standby mode power consumption rating of less than 1 watt/hour.
  • Warranty: Three years including express replacement; 5 yrs on light source.

 

 

Technical Specifications and price

  • Type: DLP Laser/LED Projector.
  • Resolution: 1280 x 800.
  • Projection screen size: 178-457cm.
  • Projection Range: 0.6-1.6m.
  • Brightness: 3000 ANSI lumens.
  • Image Contrast Ratio: 3000:1
  • Keystone correction: 12% vertical.
  • Audio output: 10W mono.
  • Video Standards: NTSC / NTSC 4.43 / PAL.
  • Video inputs: HDMI,) 15 pin D-Sub, S-Video, RS-232 (Serial), USB, LAN RJ45, WLAN.
  • Audio input/output: 3.5mm mini jack
  • Dimensions (WxDxH): 33 cm  x 26 cm x 11 cm
  • Weight (projector only): 4.1 Kg

 

 

 RRP: From £701 (exc. VAT)

 

Verdict: Radical ‘cloud’ projector is revolutionary but fiddly to operate.

Five Star Rating: 3.5 stars

 

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