Model number HD604 is the only label, and no identifier inside.
I'm modifying the lens mount to be able to focus it to less than the
made 12 foot minimum proj-screen distance. It has S-vid, SVGA, 2x HDMI
inputs and a USB socket. Would anyone know if the USB can be used from a
PC as a video feed also (OSD of sources is ambiguous) and if so, would
the pc-driver have to be specific to this unknown make/model of
projector or some generic driver.

En el artículo , N_Cook
escribió:

Would anyone know if the USB can be used from a
PC as a video feed also

I would have thought that very unlikely, it's more likely to allow a
memory stick or external hard disc to be connected to view photos or to
play .mp3 music/.mp4 videos.

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On 20/07/2015 12:27, Mike Tomlinson wrote:
En el artículo , N_Cook
escribió:

Would anyone know if the USB can be used from a
PC as a video feed also

I would have thought that very unlikely, it's more likely to allow a
memory stick or external hard disc to be connected to view photos or to
play .mp3 music/.mp4 videos.


That sounds likely, so acting like a digital picture frame.
The projector exterior looks like this
http://www.led-projectors.co.uk/shop/used-led-504/
HD 504, HD probably meaning the weasel phrase HD compatible for this one
also.
They've used a first generation, discharge lamp type injection moulder
for the casing as there is the protruding section for the removable
cover for the discharge lamp of Epson? earlier projectors, now
irrelevantly protruding below the casing and moulded as one piece now.
Otherwise like the OHP converter to video , large 4x6 inch or so LCD and
large optics to allow for distributed LED lamp source.
I like the,KISS, keystone adjuster, simply pivots a mirror directly by
turning the knob on the case side

Looks as though OSD source select labelled DTV/Card is the USB source so
presumably USB digital TV or card=thumbstick?
Anyway got the minimum focus adjustment range down from 3.1m to 1.3m ,
retaining whatever the maximum was.