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#329035 - 11/20/10 05:44 AM everything here and ready to go
majik Offline
local

Registered: 09/28/08
Posts: 289
So I finally received the Peerless BM-5001 ceiling mount, and now I have everything I need: ceiling mount, projector (optoma hd20), 100" elite screen, receiver, blu-ray player, recommended throw distance from the optoma and projector central websites... So where do I go from here?

Where do I start? I have sites saying put the screen up first but that can't be right can it? how will i tell the offset? The projector central website doesn't take the ceiling into consideration when calculating the numbers for offset does it?

Also, I don't have a stud in the ceiling at the recommended throw distance... What then?

Am I over-thinking it? Any help would be greatly appreciated.
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- Majik

Epic 80 system
Ep 800
Denon 3808
Optoma HD20
PS3
vp180
extra QS8s (to come soon)

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#329054 - 11/20/10 11:38 AM Re: everything here and ready to go [Re: majik]
majik Offline
local

Registered: 09/28/08
Posts: 289
sorry that should read: "projector central site doesn't take the *dimensions* of the ceiling *mount* into consideration..."
_________________________
- Majik

Epic 80 system
Ep 800
Denon 3808
Optoma HD20
PS3
vp180
extra QS8s (to come soon)

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#329056 - 11/20/10 12:24 PM Re: everything here and ready to go [Re: majik]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13579
Loc: Iowa
when I first mounted my projector many years ago, I think I beamed an image on the blank wall to get an idea of how big of a screen to build. If I recall, I placed it at a distance near the smaller end of the zoom range, so I could always soom the image bigger. Many use this to zoom out the black bars of 2.35 movies when using a 16:9 screen. In my case my screen is 2.35 since most movies are in this format, and my anamorphic lens gets rid of the black bars without losing quality.
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#329058 - 11/20/10 12:40 PM Re: everything here and ready to go [Re: SirQuack]
majik Offline
local

Registered: 09/28/08
Posts: 289
Thanks! I think I'll go with mounting the projector first... only problem is I already have the screen so I guess I'll just have to go with trial and error using some educated guesses! yikes!
_________________________
- Majik

Epic 80 system
Ep 800
Denon 3808
Optoma HD20
PS3
vp180
extra QS8s (to come soon)

Top
#329063 - 11/20/10 01:12 PM Re: everything here and ready to go [Re: majik]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13579
Loc: Iowa
you should be able to look at the specs "throw distance" to get an idea of how far back to go, and experiment on a table or latter before you make it permanent. My Sanyo is 13ft back, but it is what they call a short throw projector.
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M80s-VP180-4xM22ow-4xM3ic-EP600-2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB SonyUBPX800



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#329074 - 11/20/10 01:38 PM Re: everything here and ready to go [Re: SirQuack]
grunt Offline
connoisseur

Registered: 12/04/06
Posts: 3569
Loc: Nirvana
There are a couple of lines of thought for projector distance.

The closer the projector to the screen the brighter the image since you will have to zoom the image out farther. The farther the projector from the screen the more dim the image. OTOH the farther the projector the better contrast and image clarity you will get especially at the edges of the screen. IMO though you won’t likely notice the better image clarity unless you are using your system as a computer monitor like I do.

The projector central calculator is only and estimate of how to place your projector as Randy said your best bet is to experiment with location. However, be careful not to move your projector around while the bulb is hot, there is probably a warning about this in your manual.

I ended up putting my projector at 19 feet which is way out of the optimal range for the Projector Central Calculator because my room is completely black so I don’t need as much brightness and improved contrast and image clarity for reading computer text is more important to me. Also it keeps the projector as far away as possible allowing me to use high altitude mode so the fan runs faster and keeps the bulb cooler but I still can’t hear it because of the distance.

Also as Randy stated there is the zoom factor in dealing with different image ratios that may also be effected if you put the projector at the extreme ends of it zoom range.
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#329092 - 11/20/10 05:10 PM Re: everything here and ready to go [Re: grunt]
majik Offline
local

Registered: 09/28/08
Posts: 289
Got it! Thanks guys! I'll let you know how it works out and post pics when it's done.
_________________________
- Majik

Epic 80 system
Ep 800
Denon 3808
Optoma HD20
PS3
vp180
extra QS8s (to come soon)

Top
#329210 - 11/21/10 06:52 PM Re: everything here and ready to go [Re: majik]
majik Offline
local

Registered: 09/28/08
Posts: 289
Okay, so I have the screen and the projector set up, but I have a question about the image on the screen... when I pop in a dvd, the top-menu uses the whole 100" of the screen.. but when I press play there are 2 horizontal black bars as the movie seems to play in 16:9.

is there any way I can make it so it uses the whole screen?? What's the sense of having such a big screen if I can only use some of it?? lol. I'm sure it's a setting, but can't figure out whether it's the hd20, the player or both.

thanks guys!
_________________________
- Majik

Epic 80 system
Ep 800
Denon 3808
Optoma HD20
PS3
vp180
extra QS8s (to come soon)

Top
#329211 - 11/21/10 07:01 PM Re: everything here and ready to go [Re: majik]
grunt Offline
connoisseur

Registered: 12/04/06
Posts: 3569
Loc: Nirvana
Have you tried other “16:9” or 1.78:1. Some movies look like they will be 1.78:1 but are actually 1.85:1 which is wider and will appear narrower vertically to fit on the same size screen thus giving small horizontal bars above and below the screen. When you put in a 2:35:1 they get even bigger. Also movies will often have a 1.78:1 or 1.85:1 menu while the feature is actually in 2.35:1.

Try another couple movies and see if they all have the bars after the menu.






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3M80 2M22 6QS8 2M2 1EP500 Sony BDP-S590 Panny-7000 Onkyo-3007 Carada-134 Xbox Buttkicker AS-EQ1

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#329212 - 11/21/10 07:02 PM Re: everything here and ready to go [Re: majik]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13579
Loc: Iowa
The aspect ratio question has been talked about often in the past. Below are the most common AR's, with 1.33, 1.78, 1.85, and 2.35, being the ones you will most likely be using. I assume you are using a 16:9 projector and a 16:9 screen.

So, if the movie you are watching is 2.35 (look on the back of the dvd cover) you will get black bars top/bottom. The only way around this is to zoom the image larger than your screen, use one of the newer projectors with automatic scaling, or use an anamorphic lens in combination with a scaler.

If your DVD is 1.85 (very common also) or if your watching HDTV, the AR's are very close and you should not have any black bars on the top and bottom.

1.33 material will have black bars on the sides.


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M80s-VP180-4xM22ow-4xM3ic-EP600-2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB SonyUBPX800



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