Date: Sat, 6 Sep 2003 22:16:23 -0400

Author: Chuck Britton

Subject: Re: Connecting computer to projector

Post:

>
>What's the best way to connect our demo-table PC to a multimedia
>projector so the two can be separated by a distance of about 12-15
>ft?
>
>Some specifics:
>PC running Windows 2k; Panasonic PTL-557U or Mitsubishi SL-1 projector.
>We tried an ATI Radeon 7000 video card and an RCA wire, but image
>quality was truly lousy at every setting we could find.
>

S-video cables can be bought in lengths up to 150 feet or so.
Personally, we only use 20 feet or so - but the quality seems undiminished.
--
Chuck Britton Education is what is left when
britton@ncssm.edu you have forgotten everything
North Carolina School of Science & Math you learned in school.
(919) 416-2762 Albert Einstein, 1936
From gary@phys.columbia.edu Sun Sep 7 10:06:43 2003
Date: Sun, 7 Sep 2003 09:42:23 -0400 (EDT)
From: Gary Steinberg
To: tap-l@listproc.appstate.edu
Subject: Re: Connecting computer to projector
In-Reply-To:
Message-ID:
References: <5.1.0.14.1.20030827164354.02e11e50@pop.haverford.edu>
<3F4E3251.FAE20601@physics.utah.edu>


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Richard,

The higher quality VGA cables should be able to reach 25ft without
significant signal loss--usually by splitting the RGB signals and the
accompanying horizontal and vertical syncs into separate coax cables and
then back. They cost in the neighborhood of $50 to $100 and should not
need a booster (we run a 50ft cable without a booster with no visible
image loss). Do not use RCA or S-video connections; they will usually
limit the resolution to NTSC standards (approx. 720 x 480) and will always
diminish the color resolution. If you have component outputs on your card
and inputs on your projector you could run coax connectors for these as an
alternative.

Gary Steinberg

On Sat, 6 Sep 2003, RICHARD PICCIONI wrote:

> What's the best way to connect our demo-table PC to a multimedia projector so the two can be separated by a distance of about 12-15 ft?
>
> Some specifics:
> PC running Windows 2k; Panasonic PTL-557U or Mitsubishi SL-1 projector.
> We tried an ATI Radeon 7000 video card and an RCA wire, but image quality was truly lousy at every setting we could find.
>
> Thanks,
> Richard Piccioni
> Garfield High School
> Seattle WA
> rgpiccioni@seattleschools.org
From gcaplan@wellesley.edu Sun Sep 7 17:30:07 2003
Message-id:
Date: Sun, 07 Sep 2003 17:31:39 -0400
Subject: AAPT Lapel Pin
To: tap-l@listproc.appstate.edu
From: "George M. Caplan"
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Recently, I received a small mailing tube containing an AAPT lapel pin.
Did you all receive one too?
I wonder what it cost to have the pins made and to mail them out.
I also wonder whether the money could have been used in a better way.
What do you all think?
From gnper090@wviz.org Sun Sep 7 18:08:49 2003
From: "Dick Heckathorn"
To:
Subject: RE: Connecting computer to projector
Date: Sun, 7 Sep 2003 18:12:52 -0400
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Greetings,
I run VCR from my laptop to 32 inch TV using a 20 foot RCA plugs on end
of VCR cable with very little loss, if any, in clarity. The PC laptop
is a Sony with a video output installed.

Two things that I have found and supported by a home cable installer
are:

1. If you attach plugs to your own wire, it is very easy not to get a
good connection, even though you have paid close attention to soldering,
etc. Pay particular attention to the metal covering or wire surround the
cable that there are no ends of the wire sticking out and not connected.
This can cause, as I am told, either signal leakage or can pick up
signals from the airways. If your local TV channels are say, 3, 5, and
8, you should see more interference on those channels than other cable
channels. The lower channels are usually distorted the worst. In one
case where the signal had such interference, wrapped as much of the
connection as possible and the cable near it with some aluminum foil.
That helped but did not totally correct the problem. Check with a cable
installer in your area. They might have a suggestion.

2. Also try different cables. I bought two 20 foot cables from a store.
One gave me a great signal; the other gave a terrible one. My cable
installer said he would not use any store purchased ones. He said they
have much variance in quality.

One suggestion is to find a cable that will work good on another
connection and try it from the PC to the projector. If the picture
quality is poor, then it might be the PC or projector.


Dick


"Science is nothing more than learning how to communicate with nature in
such a manner that it will talk back."

Helping teachers who facilitate, motivating students who learn.
Dick Heckathorn 14665 Pawnee Trail Middleburg Hts, OH 44130
440-826-0834
Physics Teacher CVCA 4687 Wyoga Rd Cuyahoga Falls, OH 44224
330-929-0575 VM 120

-----Original Message-----
From: owner-tap-l@listproc.appstate.edu
[mailto:owner-tap-l@listproc.appstate.edu] On Behalf Of RICHARD PICCIONI
Sent: Saturday, September 06, 2003 7:59 PM
To: tap-l@listproc.appstate.edu
Subject: Connecting computer to projector

What's the best way to connect our demo-table PC to a multimedia
projector so the two can be separated by a distance of about 12-15 ft?

Some specifics:
PC running Windows 2k; Panasonic PTL-557U or Mitsubishi SL-1 projector.
We tried an ATI Radeon 7000 video card and an RCA wire, but image
quality was truly lousy at every setting we could find.

Thanks,
Richard Piccioni
Garfield High School
Seattle WA
rgpiccioni@seattleschools.org

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style=3D'font-size:
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style=3D'font-size:
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color:blue'>1.  If you =
attach plugs
to your own wire, it is very easy not to get a good connection, even =
though you
have paid close attention to soldering, etc. Pay particular attention to =
the
metal covering or wire surround the cable that there are no ends of the =
wire
sticking out and not connected. This can cause, as I am told, either =
signal
leakage or can pick up signals from the airways. If your local TV =
channels are
say, 3, 5, and 8, you should see more interference on those channels =
than other
cable channels. The lower channels are usually distorted the worst. =
style=3D'mso-spacerun:yes'> 
In one case where the signal had =
such interference,
wrapped as much of the connection as possible and the cable near it with =
some
aluminum foil. That helped but did not totally correct the problem. style=3D'mso-spacerun:yes'>  Check with a cable installer in =
your
area. They might have a suggestion.



style=3D'margin-left:.25in;text-indent:-.25in;tab-stops:.25in'> size=3D2 color=3Dblue face=3DArial> style=3D'font-size:10.0pt;font-family:Arial;
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any
store purchased ones. He said they have much variance in quality. style=3D'mso-spacerun:yes'> 



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style=3D'margin-left:.25in;text-indent:-.25in;tab-stops:.25in'> size=3D2 color=3Dblue face=3DArial> style=3D'font-size:10.0pt;font-family:Arial;
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connection and try it from the PC to the projector. If the picture =
quality is
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style=3D'margin-left:.25in;text-indent:-.25in;tab-stops:.25in'> size=3D2 color=3Dblue face=3DArial> style=3D'font-size:10.0pt;font-family:Arial;
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style=3D'mso-bidi-font-weight:
normal'> style=3D'font-size:
10.0pt;color:blue;font-weight:bold;mso-bidi-font-weight:normal;mso-no-pro=
of:
yes'>"Science is nothing more than learning how to communicate with =
nature
in such a manner that it will talk =
back."



size=3D2
color=3Dblue face=3D"Times New Roman"> style=3D'font-size:11.0pt;color:blue;
font-weight:bold;mso-bidi-font-weight:normal;mso-no-proof:yes'> =
;



style=3D'mso-bidi-font-weight:
normal'> style=3D'font-size:
10.0pt;color:blue;font-weight:bold;mso-bidi-font-weight:normal;mso-no-pro=
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learn.



size=3D1
color=3Dblue face=3D"Times New Roman"> style=3D'font-size:8.0pt;color:blue;
mso-no-proof:yes'>Dick Heckathorn 
14665 Pawnee Trail 
Middleburg Hts, OH 
44130  =
440-826-0834



size=3D1
color=3Dblue face=3D"Times New Roman"> style=3D'font-size:8.0pt;color:blue;
mso-no-proof:yes'>Physics Teacher CVCA style=3D'mso-spacerun:yes'> 
4687 Wyoga Rd  =
Cuyahoga
Falls, OH 44224  =
330-929-0575 style=3D'mso-spacerun:yes'> 
VM =
120





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10.0pt;font-family:Arial;color:blue'> 



face=3DTahoma> style=3D'font-size:10.0pt;font-family:Tahoma'>-----Original =
Message-----

From:
owner-tap-l@listproc.appstate.edu =
[mailto:owner-tap-l@listproc.appstate.edu] style=3D'font-weight:bold'>On Behalf Of RICHARD PICCIONI

Sent: Saturday, September =
06, 2003
7:59 PM

To: =
tap-l@listproc.appstate.edu

Subject: Connecting =
computer to
projector



face=3D"Times New Roman"> style=3D'font-size:12.0pt'> 







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>What's
the best way to connect our demo-table PC to a multimedia projector =
so the
two can be separated by a distance of about 12-15 =
ft?







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>  :p>







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>Some
specifics:







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>PC
running Windows 2k; Panasonic PTL-557U or Mitsubishi SL-1 =
projector.







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>We tried
an ATI Radeon 7000 video card and an RCA wire, but image quality was
truly lousy at every setting we could =
find.







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>  :p>







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>Thanks, o:p>







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>Richard
Piccioni







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>Garfield
High School







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'>Seattle
WA







color=3Dblack
face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;color:black'> href=3D"mailto:rgpiccioni@seattleschools.org">rgpiccioni@seattleschools.o=
rg













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From gnper090@wviz.org Sun Sep 7 18:12:00 2003
From: "Dick Heckathorn"
To:
Subject: RE: AAPT Lapel Pin
Date: Sun, 7 Sep 2003 18:16:13 -0400
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Greetings,

I got one too. Had not given it a thought. I would guess I might wear it
one or twice a year, to section meetings or national. Not much bang or
the buck.

NSTA did it a couple of years ago or longer. Still have not worn it.
Stuck it to my call hanging of pins.

Now as a pin collector, it is a one of a kind.

Dick

"Science is nothing more than learning how to communicate with nature in
such a manner that it will talk back."

Helping teachers who facilitate, motivating students who learn.
Dick Heckathorn 14665 Pawnee Trail Middleburg Hts, OH 44130
440-826-0834
Physics Teacher CVCA 4687 Wyoga Rd Cuyahoga Falls, OH 44224
330-929-0575 VM 120


-----Original Message-----
From: owner-tap-l@listproc.appstate.edu
[mailto:owner-tap-l@listproc.appstate.edu] On Behalf Of George M. Caplan
Sent: Sunday, September 07, 2003 5:32 PM
To: tap-l@listproc.appstate.edu
Subject: AAPT Lapel Pin

Recently, I received a small mailing tube containing an AAPT lapel pin.
Did you all receive one too?
I wonder what it cost to have the pins made and to mail them out.
I also wonder whether the money could have been used in a better way.
What do you all think?

From dchenry@gac.edu Sun Sep 7 18:16:30 2003

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