Indivision Scandoubler/FF

[Coolit]

My SD/FF arrived today and I've set it up on my 19" IIyama crt, it does display a picture but its really really really! dark even if I turn the brightness right up on the monitor.

Does anyone know what the problem could be? have you seen this before?

Thanks in advance :-)

[Coolit]

It looks like the problem is my monitor, I hooked it upto a projector via vga and it works great.

Does anyone know which monitors will work with it?

[tonyvdb]

Scandoublers tend to work alot better with LCD monitors I have a Toastscan and it looks dark on my 15"CRT that I use for my A4000D so I just opened up the back of the monitor (not recomended unless you know what you are doing) and turned up the brightness from inside. The scandoublers use a fair bit of power and because of this dont always output what you need to make a CRT work right LCD's tend to need a lower signal and compensate better.

[Hyperspeed]

My Eyetech 'EZ-VGA Plus' Scandoubler/FF takes a few minutes to reach optimum display quality.

When I first boot it's very dark and gradually the display gets brighter. The longer I leave the Amiga powered down, the longer it takes the scandoubler to stop flickering and brighten up.

Maybe I have a duff capacitor in there.

I wonder what A3000 or Picasso-IV users experience with their inbuilt scandoublers/flicker-fixers.

[Argus]

The Amber chip based ff's (A3000 & A2320) and the PicassoIV's ff output bright right away, just like normal 15KHz Amiga video modes.  I think the PicassoIV's is a little better overall, if I were to judge by picture quality and absence of any visible scan lines, etc.  There are three other AA video slot ff/sd's out there for the A4000 (Video Magician, Petsoff's and Power Computing's); they are probably all pretty good and better than the external ff/sd's I've read about.

[Hyperspeed]

Well I have to say that despite the small warmup time I'm quite pleased with my EZ-VGA Plus. It's 16-Bit so it's limited to 65,536 colours as opposed to HAM8's 262,144 but that's not really noticeable. It's the 5:6:5 variety with the emphasis on the green gun so dithering is good.

I'd say they run best in 60Hz NTSC than they do in PAL. I got a lot of visible lines vertically down the screen in PAL modes but in NTSC they vanish completely, everything is crisp.

The only thing about the flicker-fixer is that moving objects such as the ball in Arkanoid might appear jagged and Super-Hi Res modes are a no-go.

[alexh]

I've found that my PicassoIV scandoubler sometimes screws up the early startup menu and gets the lines doubled but on the wrong lines. Motion is also terrible. Same if you boot from a floppy disk. Once it's booted into an RTG mode it's fine. All WHDload and Workbench games are fine..

[AmiDude]

@Argus wrote:

There are three other AA video slot ff/sd's out there for the A4000 (Video Magician, Petsoff's and Power Computing's); they are probably all pretty good and better than the external ff/sd's I've read about.

You forgot to mention the AGA ScandoublerII from CompServ.
It's real 24bit and I'm using it with my standard A4000D.
http://amiga.resource.cx/exp/search.pl?id=scandoubler2

In my other A4000/060 I've got a PicassoIV wich has the
best SD/FF on board of all. About external SD/FF's:
The quality is much less then the internal ones.
Specially the toastscan and clones like the MV1200 and
the Elbox. But if you really want a external SD/FF with
good image quality and no "warming-up" time, then you
should get yourself the "Presenter1 Scart Video to XGA Converter CM345S".
You can read all about it in this thread:

www.amiga.org/forums/showthread.php?t=18582

 :-)