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Backyard Theater - Outdoor Movies

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 11 
 on: April 21, 2014, 06:58:30 pm 
Started by everette - Last post by pistolero56
Also keep in mind that even though the specs say 1500 lumens, sometimes they are brighter than what they say they are.

 12 
 on: April 21, 2014, 05:37:07 pm 
Started by everette - Last post by Sparge
There's a big difference in the native resolution of those two projectors.  The Viewsonic PJD5122 is only SVGA 800x600 while the display panel in the InFocus IN82 is full HD at 1920x1080.  That will translate to a big difference on screen with the IN82 looking much better, regardless of the input signal.

I went from an Epson S3 (800x600) that I used for years to a 705HD (1280x800).  The change from SVGA to 720p was very noticeable.  The low pixel count of the S3 generated a prominent screen door effect.  It looked like the image was being shown through a screen door.  This was greatly reduced when I moved to the 720p 705HD.  The move from SVGA to 1080p should be even more impressive.

I wouldn't worry too much about the reduced lumen count.  Another difference is that the native aspect ratio of these two projectors is different.  The Viewsonic is 4:3 while the InFocus is 16:9.  While the Viewsonic has a higher lumen output the InFocus will waste less of its light on unused pixels when showing widescreen movies.  The InFocus will make better use of its 1500 lumens, which isn't a bad count to begin with.

Nice score!  I hope the overheating troubles are behind you.

-Sparge-

 13 
 on: April 21, 2014, 05:04:09 pm 
Started by waverz - Last post by Sparge
I know this is probably not what you want to hear, but if it becomes a serious issue you could switch to broadcasting your sound and have your movie viewers bring a portable radio.  Since there radio is right next to them they have a tendency to keep the volume lower.  And if someone wants it really loud there are always head phones.  Switching to broadcasting my sound made my neighbors much happier.  And after 8 years of doing it that way I don't miss messing with the speaker one bit.

I'm so glad we have a large lot and understanding neighbors.  A big part of our outdoor theater is the sound.  We usually run Dolby/DTS decoded 3.1 channels (left, right, center and sub).  Occasionally we run rear surrounds for a full 5.1 sound field, but not too often.  I'd be really sad if we couldn't run our sound rig.

Our "concession stand" is a ways off from where we show movies.  I've thought about transmitting FM stereo in addition to the 3.1 sound.  That way we could have a radio running in the concession stand so folks could at least hear the movie while they're getting a snack.  I have an FM transmitter I bought from movielover a few years back.  I've not used it yet!  Maybe this year...

-Sparge-

 14 
 on: April 21, 2014, 04:50:46 pm 
Started by Corzak - Last post by Sparge
Thanks......great explanation! Let the tweaking begin! Smiley

Where's Miley Cyrus?  Oh wait, you said "tweaking".  My bad.  Wink

BTW: will there be a Spargefest 2014? lol

If there was enough interest we'd be glad to host a Spargefest 2014.  I had someone local ask me about it a month or so ago but a lot of the online folks at the heart of the last two successful Spargefests aren't on the site much anymore.  (I've been away from the site for a year or so myself.)  The last time we tried getting together (2011) we didn't have enough folks coming (especially those bringing gear) to make the event worthwhile.

-Sparge-

 15 
 on: April 21, 2014, 03:25:48 pm 
Started by everette - Last post by everette
Thanks Frosty. I will do the 3 hour test just to be sure. Even though the claimed brightness is 1500 lumens, I was able to project onto the wall in my bedroom during the day without any problems, however the ViewSonic is noticeably brighter.

I have never tried the adapter on the ViewSonic, always just VGA from my HTPC to the PJ, but I will definitely give it a shot if this freebie ends up dying. The InFocus has a much smoother picture than the ViewSonic too. I believe the PJD5122 is really intended for presentations and stills and not so much a home cinema application. After all, we are comparing a $250 PJ to a $5K PJ.

 16 
 on: April 21, 2014, 01:37:06 pm 
Started by waverz - Last post by SirRobyn0
The weather was perfect last night so we decided to try a double.
Just as the second movie was over we got a surprise visit from a couple local police officers.

The asked how we were doing and just wanted to let me know that no one complained about the noise but they could hear it 6 blocks away.  They also commented on how awesome the screen was.

I told them I'd turn it down next time and they left.

While they were pretty cool about it, I really hope they don't make it a habit of showing up every weekend I fire up the projector. 

Gonna have to keep it turned down a little later on in the night I guess.

I know this is probably not what you want to hear, but if it becomes a serious issue you could switch to broadcasting your sound and have your movie viewers bring a portable radio.  Since there radio is right next to them they have a tendency to keep the volume lower.  And if someone wants it really loud there are always head phones.  Switching to broadcasting my sound made my neighbors much happier.  And after 8 years of doing it that way I don't miss messing with the speaker one bit.

 17 
 on: April 21, 2014, 12:03:28 pm 
Started by everette - Last post by FrostyFreeze
Congrats on the free PJ! Cant argue with that.

Off the top of my head, you're probably right about the clogged filter being the cause of the over-heating. Since you've already cleaned it out, I'd suggest running it for 2-3 hours just to be sure.

The only "issue" with the new PJ's specs I can find is the lumens arent the best (1500 ANSI compared to your Viewsonic's 2500 ANSI), but the contrast ratio is fantastic at 4000:1. I'm really curious to see how your 2 PJ's compare to each other in person.

BTW, dont hate too hard on your Viewsonic either. The specs looks really good to me. You called it a 480p, but it'll do 1080i with a cheap vga-to-component (red/green/blue) adapter. A few of us with non-HDMI projectors use them with great results!

 18 
 on: April 21, 2014, 11:59:52 am 
Started by soccer1 - Last post by soccer1
1 inch square tubing. Very light. 10.5 feet x 21 feet.

 19 
 on: April 21, 2014, 09:51:42 am 
Started by everette - Last post by everette
Been a while since I posted. Yesterday I acquired a free InFocus IN82 Home Cinema projector. The previous owner said the unit would run for about an hour then shut off with an overheating warning. They took the opportunity to upgrade their media room projector and gave me this one. I took it home and cleaned the dust screen out on the air box and tested the projector for about an hour without any problems.

I was wondering if anyone knew what might have been causing the overheating issue if not just the filter needed cleaning. The total lamp hours read at 1,989 but there was 1 reset. The current hours read at 79 hrs. I don't know if the lamp has been replaced or someone just reset the hours. If I can prevent this thing from overheating it would be a decent upgrade from my ViewSonic PJD5122 (480p) as this one does full 1080p.

Here is a link to the specs: http://www.projectorcentral.com/InFocus-Play_Big_IN82.htm

 20 
 on: April 21, 2014, 08:47:49 am 
Started by Corzak - Last post by OutdoorGeek
I'll echo and emphasize what Sparge said. 

I find this to be true for all source/display combinations including Power Point presentations driven by my laptop.  When presenting in a new venue, I try to "Google" the projector model number (usually the staff is oblivious and I need to look at the projector -  tough to do for ceiling mounted units) to identify the native resolution so I can force my laptop to the correct resolution.  Otherwise, the software often chooses an incorrect resolution setting, presumably for greater compatibility, and the slides project with excessive scaling artifacts.  This can sometimes be severe; I've had line graphs display incorrectly without one of the lines because it was eliminated by the scaling process. 

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