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From: dcr3567@ultb.isc.rit.edu (D.C. Richardson)
Newsgroups: comp.sys.amiga
Subject: Re: RGB/View 2000 from RGB Spectrum
Summary: How to use the 'Special Modes' for the Diamond Scan
Message-ID: <2279@ultb.isc.rit.edu>
Date: 21 Feb 90 17:54:41 GMT
References: <3144.AA3144@amigash>
Reply-To: dcr3567@ultb.isc.rit.edu (D.C. Richardson )
Organization: Information Systems and Computing @ RIT, Rochester, New York
Lines: 41


  I just got my Mitsubshi Diamond Scan yesterday, and it's GREAT!
  Flicker w/ VLT is a LOT less, and the Video input (for NTSC) looks
awesome from the VCR.

Questions:  How can I make a switch so I can use the "auto-switch" mode
for switching between NTSC (Pin 9 video), Analog, and OVERLAY mode?  I
was able to hack my cable so I could get NTSC -OR- Analog mode, but it
was rather kludgey.  Any suggestions?  It's a rather pain to yank the
monitor just to watch TV.

Second:  Upon reading the manual included, it said there is an overlay
mode.  I tried the second suggestion of theirs (composite video in the
VIDEO input, and also to pin 9 of analog, and connected pin 21 to 8
[elevating it to HIGH [+5]], and grounded Pin 24 to 10 (which is
grounded loop-style to 3,5,7, etc..)  It didn't work.  The most I got
was NTSC auto-switched.  I didn't try the first suggestion, because I
didn't understand it.

   Is it:  Feed Analog signal to VIDEO -&- connect to pin 11 (Comp out)
     ?  This doesn't seem too logical.. the arrows seem that NTSC goes
into Video, feeds into Pin 9, and RGB .. it gets confusing from there.

The only thing I see that I might have missed is that Pin 6 is the
superimpose control signal.. but I don't understand what it wants from
their chart.  

ANY SUGGESTIONS?  I just *HATE* not knowing what these 'special
features' are like! (besides, it could be a neat 'fake' genlock!)

(PS: The Diamond Scan was bought for $445 (+$10 SHIPPING) from
Compu-Clearance, and took 9 days to get here.  I feel that they were
honest and friendly in every way, as well as having the best price I
could find.)
-I don't use disclaimers.. just take everything with a grain of salt!-

-- 
Daniel C. Richardson
Mechanical Engineering Dept.
Rochester Institute Of Technology 
"To Dream The Impossible Dream Only Takes One Night.. It's Red's Dream"