Re: OT: matching dual LCD monitors

2008-09-05 Thread Dennis Brunnenmeyer
Dave,,,

There are numerous dual-head video cards with two DVI (digital) 
outputs. By all means, insist that your IT folks provide you with 
one. If you can't get them to provide you with what you need, I'd buy 
it out of my own pocket if I were you. Life is too short to deal with 
the problems of mixed format video formats and drivers. The right 
card can be had dirt cheap.

You can get what you need for under $50 on eBay or at any good 
discount outlet. For an example of the video card I use, go to 
eBay.com and search on this item number: 320295526356. Of course, you 
are own your own (with your IT department's help) to ensure that a 
card like this is compatible with your computer.

LCD monitors will always look and perform better when driven by the 
DVI digital interface, especially if the graphics card resolution is 
set to match the native resolution of the LCD display. In your case, 
that's 1280 x 1024. For a 19 monitor, that should be just about right.

I can't speak for any other graphics cards other than my own, but my 
NVIDIA graphics card drivers support both landscape and portrait-mode 
displays. Hopefully you can get a graphics card like that. Just as 
important, I hope your LCD display(s) can be rotated physically on 
their stands to allow you to display pages in portrait mode, as 
opposed to the normal landscape mode. It's much better when working 
on documents typically formatted on letter-size pages in portrait 
orientation, and it's simple to switch back and forth.

Dennis Brunnenmeyer

At 06:51 PM 9/4/2008, Dave Reynolds wrote:
Hi

Not exactly Frame related, but I'm after some advice about LCD
monitors.  After being the only tech writer in our team with a single
monitor, I finally got given another monitor a couple of weeks ago.
Hurray!!  It's been a long wait.  So now I have matching Viewsonic VA912
19 monitors.  The second one is not new, but reassigned to me from
someone else.  Judging from the numbers, it is about the same age as my
first monitor.

Apparently my PC has an on-board video card, so they connected the
second monitor via an adaptor card (budget constraints!).  This meant I
had the first monitor on an analog feed, and the second monitor on a
digital feed.

The display on the second monitor is quite different from the first
monitor in terms of colour, brightness and contrast.  I have tried to
adjust the second monitor to match the display of the first monitor, but
I've been unsuccessful.  I've tried the adjustments on the monitor and
in the driver, but the display on the second monitor is still inferior
to that on the first monitor.  After complaining to our IST people, they
fitted a new video card that they happened to have in stock (still
budget constraints), but I notice that the first monitor is still on
analog, and the second is still on digital, and I still can't get the
displays to match.

For many applications this is only a nuisance.  However, for editing
photographs it is a major problem.  I take quite a few photos for my
manuals and it is important that the edited versions of the photos I
take are consistent for colour, brightness and contrast.  This means
that I cannot currently use the second monitor for editing photos, as
the same photo looks so different on each monitor.

Is there a way to get the second monitor to match the first one, or am I
fighting a losing battle trying to get the digital input display to
match the analog input display?

Any help appreciated.

Thanks

Dave

--
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

Dave Reynolds Phone: (64) (3) 358 1029
Senior Technical Author   Fax: (64) (3) 359 4632
Tait Electronics Ltd  Email: [EMAIL PROTECTED]
PO Box 1645
Christchurch
New Zealand


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Dennis Brunnenmeyer
Director of Engineering
CEDAR RIDGE SYSTEMS
15019 Rattlesnake Road
Grass Valley, CA 95945-8710
Office: (530) 477-9015
Fax: 

Re: OT: matching dual LCD monitors

2008-09-05 Thread Art Campbell
Assuming that:you have some kind of calibration sensor and software in
place already, the problem is your video card. Most cards more than a
year or so old only have one chip set and can only read and apply one
profile, even if there are two output ports. And if the graphics are
on the motherboard, there isn't a good way to do this.
You'll need either a set of two matching cond graphics cards or a new
graphics card. that has two chip sets and the capability to discretely
drive two monitors in order to profile both monitors because each
monitor is unique.
Otherwise, I'd calibrate whichever monitor you're going to use as the
primary and use the second for tools and tasks that aren't
color-criven.

Art

On Thu, Sep 4, 2008 at 9:51 PM, Dave Reynolds [EMAIL PROTECTED] wrote:
 Hi
snip

 The display on the second monitor is quite different from the first
 monitor in terms of colour, brightness and contrast.

 For many applications this is only a nuisance.  However, for editing
 photographs it is a major problem.

 Is there a way to get the second monitor to match the first one, or am I
 fighting a losing battle trying to get the digital input display to
 match the analog input display?


-- 
Art Campbell [EMAIL PROTECTED]
 ... In my opinion, there's nothing in this world beats a '52 Vincent
and a redheaded girl. -- Richard Thompson
 No disclaimers apply.
 DoD 358
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OT: matching dual LCD monitors

2008-09-05 Thread Dave Reynolds
Hi

Not exactly Frame related, but I'm after some advice about LCD 
monitors.  After being the only tech writer in our team with a single 
monitor, I finally got given another monitor a couple of weeks ago.  
Hurray!!  It's been a long wait.  So now I have matching Viewsonic VA912 
19" monitors.  The second one is not new, but reassigned to me from 
someone else.  Judging from the numbers, it is about the same age as my 
first monitor.

Apparently my PC has an on-board video card, so they connected the 
second monitor via an adaptor card (budget constraints!).  This meant I 
had the first monitor on an analog feed, and the second monitor on a 
digital feed. 

The display on the second monitor is quite different from the first 
monitor in terms of colour, brightness and contrast.  I have tried to 
adjust the second monitor to match the display of the first monitor, but 
I've been unsuccessful.  I've tried the adjustments on the monitor and 
in the driver, but the display on the second monitor is still inferior 
to that on the first monitor.  After complaining to our IST people, they 
fitted a new video card that they happened to have in stock (still 
budget constraints), but I notice that the first monitor is still on 
analog, and the second is still on digital, and I still can't get the 
displays to match.

For many applications this is only a nuisance.  However, for editing 
photographs it is a major problem.  I take quite a few photos for my 
manuals and it is important that the edited versions of the photos I 
take are consistent for colour, brightness and contrast.  This means 
that I cannot currently use the second monitor for editing photos, as 
the same photo looks so different on each monitor.

Is there a way to get the second monitor to match the first one, or am I 
fighting a losing battle trying to get the digital input display to 
match the analog input display?

Any help appreciated.

Thanks

Dave

-- 
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

Dave Reynolds Phone: (64) (3) 358 1029
Senior Technical Author   Fax: (64) (3) 359 4632
Tait Electronics Ltd  Email: dave.reynolds at tait.co.nz
PO Box 1645
Christchurch
New Zealand


===
This email, including any attachments, is only for the intended
addressee.  It is subject to copyright, is confidential and may be
the subject of legal or other privilege, none of which is waived or
lost by reason of this transmission.
If the receiver is not the intended addressee, please accept our
apologies, notify us by return, delete all copies and perform no
other act on the email.
Unfortunately, we cannot warrant that the email has not been
 altered or corrupted during transmission.
===



OT: matching dual LCD monitors

2008-09-05 Thread Dennis Brunnenmeyer
Dave,,,

There are numerous "dual-head" video cards with two DVI (digital) 
outputs. By all means, insist that your IT folks provide you with 
one. If you can't get them to provide you with what you need, I'd buy 
it out of my own pocket if I were you. Life is too short to deal with 
the problems of mixed format video formats and drivers. The right 
card can be had dirt cheap.

You can get what you need for under $50 on eBay or at any good 
discount outlet. For an example of the video card I use, go to 
eBay.com and search on this item number: 320295526356. Of course, you 
are own your own (with your IT department's help) to ensure that a 
card like this is compatible with your computer.

LCD monitors will always look and perform better when driven by the 
DVI digital interface, especially if the graphics card resolution is 
set to match the native resolution of the LCD display. In your case, 
that's 1280 x 1024. For a 19" monitor, that should be just about right.

I can't speak for any other graphics cards other than my own, but my 
NVIDIA graphics card drivers support both landscape and portrait-mode 
displays. Hopefully you can get a graphics card like that. Just as 
important, I hope your LCD display(s) can be rotated physically on 
their stands to allow you to display pages in portrait mode, as 
opposed to the normal landscape mode. It's much better when working 
on documents typically formatted on letter-size pages in portrait 
orientation, and it's simple to switch back and forth.

Dennis Brunnenmeyer

At 06:51 PM 9/4/2008, Dave Reynolds wrote:
>Hi
>
>Not exactly Frame related, but I'm after some advice about LCD
>monitors.  After being the only tech writer in our team with a single
>monitor, I finally got given another monitor a couple of weeks ago.
>Hurray!!  It's been a long wait.  So now I have matching Viewsonic VA912
>19" monitors.  The second one is not new, but reassigned to me from
>someone else.  Judging from the numbers, it is about the same age as my
>first monitor.
>
>Apparently my PC has an on-board video card, so they connected the
>second monitor via an adaptor card (budget constraints!).  This meant I
>had the first monitor on an analog feed, and the second monitor on a
>digital feed.
>
>The display on the second monitor is quite different from the first
>monitor in terms of colour, brightness and contrast.  I have tried to
>adjust the second monitor to match the display of the first monitor, but
>I've been unsuccessful.  I've tried the adjustments on the monitor and
>in the driver, but the display on the second monitor is still inferior
>to that on the first monitor.  After complaining to our IST people, they
>fitted a new video card that they happened to have in stock (still
>budget constraints), but I notice that the first monitor is still on
>analog, and the second is still on digital, and I still can't get the
>displays to match.
>
>For many applications this is only a nuisance.  However, for editing
>photographs it is a major problem.  I take quite a few photos for my
>manuals and it is important that the edited versions of the photos I
>take are consistent for colour, brightness and contrast.  This means
>that I cannot currently use the second monitor for editing photos, as
>the same photo looks so different on each monitor.
>
>Is there a way to get the second monitor to match the first one, or am I
>fighting a losing battle trying to get the digital input display to
>match the analog input display?
>
>Any help appreciated.
>
>Thanks
>
>Dave
>
>--
>/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
>
>Dave Reynolds Phone: (64) (3) 358 1029
>Senior Technical Author   Fax: (64) (3) 359 4632
>Tait Electronics Ltd  Email: dave.reynolds at tait.co.nz
>PO Box 1645
>Christchurch
>New Zealand
>
>
>===
>This email, including any attachments, is only for the intended
>addressee.  It is subject to copyright, is confidential and may be
>the subject of legal or other privilege, none of which is waived or
>lost by reason of this transmission.
>If the receiver is not the intended addressee, please accept our
>apologies, notify us by return, delete all copies and perform no
>other act on the email.
>Unfortunately, we cannot warrant that the email has not been
>  altered or corrupted during transmission.
>===
>
>___
>
>
>You are currently subscribed to Framers as dennisb at chronometrics.com.
>
>Send list messages to framers at lists.frameusers.com.
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Fwd: OT: matching dual LCD monitors

2008-09-05 Thread elizabeth moffatt
Hi Dave, 

I asked a friend who I know is pedantic about these things:

There are a bunch of things that could be causing problems.

Using DVI-D (digital) connections for both displays will probably help, at
least you will be using the same image processing circuitry in both displays
and same behaviour from the display driver then.

Go through all of the display menus on both panels and make sure they match
(particularly colour/white point temperature).  Having the same settings on
both doesn't guarantee that they'll match (see below), but you should start
there and then, from that point, try tweaking one of them towards the other.
Often the displays don't offer much control via the on-screen displays when
using DVI-D connections, so you may have to use options in the display
drivers instead or in combination.

The backlight in the displays becomes dimmer with age (and takes longer to
reach peak brightness).  This is affected by the number of hours the
backlight has been running rather than the actual age of the display.  A
dimmer backlight affects both the brightness (obviously) and will also
affect colour to some degree.

If you need accurate colour rendition, the you need to use a colourimeter to
calibrate the monitors.  If the displays are quite different, this will not
get them looking the same, because the colourimeter can't deal with
differents in brightness or dynamic range, but at least the colours will be
accurate.  If there's already a colourimeter in the company, this might be
the best place to start first... otherwise the cost of a colourimeter starts
at around $250.

Manufacturers make changes to the monitor builds over time, so it's possible
that the same model monitor may be built with a completely different image
processors, firmware, LCD panel, and backlight.  If the serial numbers are
very close, this is unlikely, and for higher end displays the parts used in
the build tends to be much more consistent.  Having said that, I have two
24" Dell displays (hardly print-press quality, but they are higher end
displays) that were bought about 2 months apart that have different panels
and quite different brightness and colour rendition.

Cheers,
-mjg

> 
> >>> Dave Reynolds  5/09/2008 1:51 p.m. >>>
> Hi
> 
> Not exactly Frame related, but I'm after some advice about LCD 
> monitors.  After being the only tech writer in our team with a single 
> monitor, I finally got given another monitor a couple of weeks ago.  
> Hurray!!  It's been a long wait.  So now I have matching Viewsonic VA912 
> 19" monitors.  The second one is not new, but reassigned to me from 
> someone else.  Judging from the numbers, it is about the same age as my 
> first monitor.
> 
> Apparently my PC has an on-board video card, so they connected the 
> second monitor via an adaptor card (budget constraints!).  This meant I 
> had the first monitor on an analog feed, and the second monitor on a 
> digital feed. 
> 
> The display on the second monitor is quite different from the first 
> monitor in terms of colour, brightness and contrast.  I have tried to 
> adjust the second monitor to match the display of the first monitor, but 
> I've been unsuccessful.  I've tried the adjustments on the monitor and 
> in the driver, but the display on the second monitor is still inferior 
> to that on the first monitor.  After complaining to our IST people, they 
> fitted a new video card that they happened to have in stock (still 
> budget constraints), but I notice that the first monitor is still on 
> analog, and the second is still on digital, and I still can't get the 
> displays to match.
> 
> For many applications this is only a nuisance.  However, for editing 
> photographs it is a major problem.  I take quite a few photos for my 
> manuals and it is important that the edited versions of the photos I 
> take are consistent for colour, brightness and contrast.  This means 
> that I cannot currently use the second monitor for editing photos, as 
> the same photo looks so different on each monitor.
> 
> Is there a way to get the second monitor to match the first one, or am I 
> fighting a losing battle trying to get the digital input display to 
> match the analog input display?
> 
> Any help appreciated.
> 
> Thanks
> 
> Dave

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OT: matching dual LCD monitors

2008-09-05 Thread Art Campbell
Assuming that:you have some kind of calibration sensor and software in
place already, the problem is your video card. Most cards more than a
year or so old only have one chip set and can only read and apply one
profile, even if there are two output ports. And if the graphics are
on the motherboard, there isn't a good way to do this.
You'll need either a set of two matching cond graphics cards or a new
graphics card. that has two chip sets and the capability to discretely
drive two monitors in order to profile both monitors because each
monitor is unique.
Otherwise, I'd calibrate whichever monitor you're going to use as the
primary and use the second for tools and tasks that aren't
color-criven.

Art

On Thu, Sep 4, 2008 at 9:51 PM, Dave Reynolds  
wrote:
> Hi
>

> The display on the second monitor is quite different from the first
> monitor in terms of colour, brightness and contrast.

> For many applications this is only a nuisance.  However, for editing
> photographs it is a major problem.

> Is there a way to get the second monitor to match the first one, or am I
> fighting a losing battle trying to get the digital input display to
> match the analog input display?


-- 
Art Campbell art.campbell at gmail.com
 "... In my opinion, there's nothing in this world beats a '52 Vincent
and a redheaded girl." -- Richard Thompson
 No disclaimers apply.
 DoD 358


OT: matching dual LCD monitors

2008-09-04 Thread Dave Reynolds
Hi

Not exactly Frame related, but I'm after some advice about LCD 
monitors.  After being the only tech writer in our team with a single 
monitor, I finally got given another monitor a couple of weeks ago.  
Hurray!!  It's been a long wait.  So now I have matching Viewsonic VA912 
19 monitors.  The second one is not new, but reassigned to me from 
someone else.  Judging from the numbers, it is about the same age as my 
first monitor.

Apparently my PC has an on-board video card, so they connected the 
second monitor via an adaptor card (budget constraints!).  This meant I 
had the first monitor on an analog feed, and the second monitor on a 
digital feed. 

The display on the second monitor is quite different from the first 
monitor in terms of colour, brightness and contrast.  I have tried to 
adjust the second monitor to match the display of the first monitor, but 
I've been unsuccessful.  I've tried the adjustments on the monitor and 
in the driver, but the display on the second monitor is still inferior 
to that on the first monitor.  After complaining to our IST people, they 
fitted a new video card that they happened to have in stock (still 
budget constraints), but I notice that the first monitor is still on 
analog, and the second is still on digital, and I still can't get the 
displays to match.

For many applications this is only a nuisance.  However, for editing 
photographs it is a major problem.  I take quite a few photos for my 
manuals and it is important that the edited versions of the photos I 
take are consistent for colour, brightness and contrast.  This means 
that I cannot currently use the second monitor for editing photos, as 
the same photo looks so different on each monitor.

Is there a way to get the second monitor to match the first one, or am I 
fighting a losing battle trying to get the digital input display to 
match the analog input display?

Any help appreciated.

Thanks

Dave

-- 
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

Dave Reynolds Phone: (64) (3) 358 1029
Senior Technical Author   Fax: (64) (3) 359 4632
Tait Electronics Ltd  Email: [EMAIL PROTECTED]
PO Box 1645
Christchurch
New Zealand


===
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addressee.  It is subject to copyright, is confidential and may be
the subject of legal or other privilege, none of which is waived or
lost by reason of this transmission.
If the receiver is not the intended addressee, please accept our
apologies, notify us by return, delete all copies and perform no
other act on the email.
Unfortunately, we cannot warrant that the email has not been
 altered or corrupted during transmission.
===

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