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Article View: comp.sys.amiga.tech
Article #10064

Re: video signal question

#10064
From: Hedley Davis
Date: Tue, 18 Oct 1988 14:50
23 lines
1463 bytes
In article <57593SAM103@PSUVM> SAM103@PSUVM.BITNET writes:
>
>      I have a zenith monitor, VM131, i believe. The specs say it uses
>TTL analog signals for the red, green, and blue feeds. Can I connect
>this monitor to an amiga? And if so will I be able to get all of the colors?
>If this will not work, I would appreciate an explanation. Thanks for your
>time.    SAM103@PSUVM

I have never heard of 'TTL analogue' signals. TTL usually refers to a
digital ( on/off ) type of signal, as opposed to the continous analogue
variety. It is possible that your monitor accepts either type ( in which
case it most likely has a switch for selecting them ).

The amiga puts out three TTL level sync signals. Horizontal and vertical
sync, or composite sync. Most likely your monitor accepts composite
sync, although it might require the separate horizontal and vertical
sync. The key issue here is that the monitor must be a 15.75 khz
horizontal scan rate monitor. Check the spec.

As for the video, if the monitor accepts analogue RGB, you should be
in fat city with all the colors.

Hedley
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Message-ID: <5023@cbmvax.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cbmvax!hedley
References: <57593SAM103@PSUVM>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cbmvax!hedley
From: hedley@cbmvax.UUCP (Hedley Davis)
Newsgroups: comp.sys.amiga.tech
Subject: Re: video signal question
Message-ID: <5023@cbmvax.UUCP>
Date: 18 Oct 88 14:50:02 GMT
References: <57593SAM103@PSUVM>
Reply-To: hedley@cbmvax.UUCP (Hedley Davis)
Organization: Commodore Technology, West Chester, PA
Lines: 23