Interactive Short Throw Projector
July 31, 2014
Good connectivity. The WX4141NI offers fewer connectors than models meant primarily for permanent installation, but it includes all the most important choices.
1 VGA IN (for RGB or component)
1 RCA composite
1 USB A (for reading files from a USB key)
1 LAN (for image and audio, for connecting with other Ricoh interactive projectors and whiteboards, and for controlling the projector over the network)
1 Stereo mini plug IN
1 Stereo mini plug OUT
1 mini USB service port
The WX4141Ni looks like nothing so much as an oversize lunch box without a handle. Put it on a table top, and it's much taller than it is deep, with the mirror-based lensing system on top. It projects the image mostly up and a little forward, throwing an 80" diagonal image in my tests from a touch less than 10", with the bottom of the image a little less than 6"--or about 14% of the image height--above the top of the projector.
Ricoh recommends a maximum 80" diagonal image. When I tried going much larger, the top edge was noticeably bowed. As with most ultra-short throw projectors, getting the image geometry and focus right can be tricky, because you're too close to screen to easily see the effect when you adjust the manual focus, the height of the screw-on feet, or the projector's position. If possible, you'll want someone standing where they can see the whole screen at once to help you through the process.
Setting up the interactive feature is easy. However, because the projector communicates wirelessly with the PC for interactive control, rather than through a USB cable, you will definitely need to read the instructions to find out how to set it up. The one unusual step is that you have to register the supplied USB key with the projector so the two can communicate. Once it's registered, you can use the interactive mode by installing the interactive software on any PC and plugging the USB key into that PC.