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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Sun Nov 09, 2014 7:44 pm Post subject: SEMU III |
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Hi,
anyone out there who used these boards ?
http://www.barco.com/tde/(1101251830411371)/R5976594/00/Barco_UserGuide_R5976594_00__Owners-Manual-for-SEMU-III-Multi-Facet.pdf
ElTopo
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Barco Cine 9 the one and only
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Sun Nov 09, 2014 11:29 pm Post subject: |
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I strongly doubt that someone here on the forum have ever used those. Some BR909 owners can have a SEMU III multifacet installed but will never use it.
While SEMU II advanced is for cilindrical screens, SEMU III multifacet was designed for spherical projection ( planetarium domes and pilot cockpit training ).
For a dome configuration, six  BR909's were used. The middle channel was projecting a pentagon-shape while the other five, a trapezoidal-shape adiacent to the pentagon. Nice things but not realy for HT blending.
What you are up to ? 
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km987654
Joined: 25 Jul 2007
Posts: 2874
Location: Australia
TV/Projector: Barco BG809s
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| Posted: Mon Nov 10, 2014 12:06 am Post subject: |
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| Hulio wrote: | I strongly doubt that someone here on the forum have ever used those. Some BR909 owners can have a SEMU III multifacet installed but will never use it.
While SEMU II advanced is for cilindrical screens, SEMU III multifacet was designed for spherical projection ( planetarium domes and pilot cockpit training ).
For a dome configuration, six BR909's were used. The middle channel was projecting a pentagon-shape while the other five, a trapezoidal-shape adiacent to the pentagon. Nice things but not realy for HT blending.
What you are up to ? |
The link is no longer there anyway.
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Mon Nov 10, 2014 7:50 am Post subject: |
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Here it is
| Description: |
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SEMU III Multi-Facet owners manual ~ (ref. R5976594_May04).pdf |
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2.98 MB |
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281 Time(s) |
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Mon Nov 10, 2014 11:18 am Post subject: |
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I'm trying bulid a dome 
So for a normal blend i would need the SEMU II ?
ElTopo
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Barco Cine 9 the one and only
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Mon Nov 10, 2014 1:09 pm Post subject: |
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Yes, for two-channel blend (both flat or ciurved screens), SEMU II advanced is all you need. It does not mean that with SEMU III one can not do a normal blend but is rare, more expensive and complicated.
Anyway, you can not use the normal SEMU, it was designed for 800, 808 and 12xx series projectors. It won't fit in a 909 chassis. So, at least SEMU II advanced is the way to go.
The advanced version have some extra features and improvements:
- for curved and spherical screens ( flat and cilindrical for lite version )
- full geometry control for straight and curved blending ( parallel to image edges only for lite version )
- CRT aging adaptation ( not aviable on lite version )
- minimum overlap zones 4% of image size ( 8% for lite version )
- 200 Mc bandwidth@3db for signals over 400 MHz ( 60 Mc @3db for lite version )
- not limited scan frequency ( 63KHz for lite version )
- resolutions exceeding 2500x2000 ( 1024x768 for lite version )
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Mon Nov 10, 2014 2:48 pm Post subject: |
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Question is where to get two sets of the SEMU II advanced ?
Thanks Hulio for the details.
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Mon Nov 10, 2014 3:48 pm Post subject: |
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I have one but sale is pending for another forum member. I should know in a couple of days if he will buy it. Else, i will PM you.
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