Re: Using an oscope as a monitor

From: Joel Griffin Dodd <griffindodd_at_gmail.com>
Date: Sun Oct 20 2013 - 13:45:49 EDT

Woot! I have something! I had to hold in the beam find button all the time
for it to stay on screen but I think I can see some rather garbled looking
vector tests! Uploading a video to youtube now
On Oct 20, 2013 10:32 AM, "Rodger Boots" <rlboots2@gmail.com> wrote:

> With probes disconnected you should have a bright dot in the center of the
> screen. Adjust channel 1& 2 sensitivity to .5V (for starters) and adjust
> positions to center the dot. If you don't see a dot try holding the beam
> finder button while centering. It shouldn't matter on a analog scope, but
> try setting scan speed to something like 5mS per division (yeah, I realize
> it shouldn't matter, but it can affect internal blanking and on a digital
> scope will make a lot of difference to find the correct sampling time).
>
> Once you have a nice bright centered dot connect your probes to the game
> boards X & Y test points and you should at least get something usable on
> the screen.
> On Oct 20, 2013 12:12 PM, "Joel Griffin Dodd" <griffindodd@gmail.com>
> wrote:
>
>> I'm tryjng to use my oscope as a vector monitor to check my star wars
>> boards.
>>
>> For those of you that do this coild you tell me your settings. I have a
>> 100mhz 2 channel tektronix 2337 and 1x - 10x 100mhz probes.
>>
>> I set the scope to XY input and see the trigger light on but can't seem
>> to get any image. I have plenty of activity on my x and y outs on my board.
>> Also do I ground my probes to the board when doing this
>>
>

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Received on Sun Oct 20 13:45:51 2013

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