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November 29, 2006
There are a number of important things to look for in a portable digital projector for meetings on the go. Your specification shopping list should include factors such as:
- Light Weight – anything over 6 lb is not really portable
- Small Form Factor – smaller dimension projectors are easier to pack and carry
- Set-up Speed – look for a projector with some quick application select modes which match the type of presentation material and projection scenarios which are likely
- Screen Distance Flexibility – flexibility to cope with varying distances from the screen – short throw and zoom lens provide flexibility
- Horizontal and Vertical Lens Shift or Keystone Correction – to correct keystoning of the projected image when the projection screen is either not at the same height as the projector and/or horizontally in line / skewed - lens shift is preferred as there is no possibility of introducing artifacts from digital keystone correction
- Good Brightness – look for over 2,000 ANSI lumens to cope with less than perfect projection situations with plenty of ambient light (eg. training rooms), 1,500 ANSI – 2,000 ANSI lumens projectors can handle some ambient light.
- High Contrast Ratio – something of the order of 2,000 or over will produce excellent results
- Low Noise Level - you don’t want your voice to be competing with projector noise – a noise level in the 20 – 30 dB (whisper quiet) should be achievable
- Rugged Design - to protect the projector from dust and tolerate knocks during transport - look for shutters, caps and lack of protruding controls
- Quick Shut Down (cooling cycle) - so that you can move on without delay if necessary
- Simple Remote Control – easy to use with large buttons - backlit if possible
- Locking System – makes your valuable, portable projector less attractive for misuse or theft - password login keypads are a common solution
- Personalized Start-up Image – display your company logo for a professional touch
- No PC Required Presentations - facility to load your presentation without a PC using a USB interface or similar.
- Protective Carry Bag – a bag which offers some protection while leaving room to store the power cord, cables etc.
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