4558RE: [ccd-newastro] Re: ST7E and G-11
- Dec 1, 2001The SBIG relay box will do the job. You must have it or something similar to
use the SBIG cameras with the G-11. And always remember to put both devices
on different power circuits when working off batteries! I recommend one
battery for the mount, and one for everything else. Optimal is at least
three batteries: mount, camera, and the rest of your stuff.
The New CCD Astronomy
From: Jim Rucker [mailto:yvonnejim@...]
Sent: Saturday, December 01, 2001 7:38 AM
Subject: [ccd-newastro] Re: ST7E and G-11
--- In ccd-newastro@y..., "John Smith" <johnzonie@e...> wrote:
> Hi Jim,
> Depending on power systems and grounding, you may run into a problem
> with guiding a G-11 with the ST-7E. Most often, an isolation circuit
> is needed. I built the circuit described at
> and had good luck using it with my ST-8E. Alternatively, you would
> need to purchase SBIG's relay box.
> Some folks have burned out a chip or two in the G-11 due to
> inconsistent grounding. Losmandy gets a fortune for the board,
> although if you are handy, you can change out the chup yourself.
> Best bet - use an isolation circuit!
Thanks, will the relay box from SBIG be as good as an isolation circuit,
or is the relay box the same thing.
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