[sac-forum] Re: Anybody Got an Idea?
- From: "Richard Harshaw" <rharshaw2@xxxxxxx>
- To: <sac-forum@xxxxxxxxxxxxx>
- Date: Sun, 4 Nov 2007 20:45:00 -0700
It is set at 9600. That's what the old setup used and it was fine.
DH
-----Original Message-----
From: sac-forum-bounce@xxxxxxxxxxxxx [mailto:sac-forum-bounce@xxxxxxxxxxxxx]
On Behalf Of Tim Jones
Sent: Sunday, November 04, 2007 6:14 PM
To: sac-forum@xxxxxxxxxxxxx
Subject: [sac-forum] Re: Anybody Got an Idea?
Richard Harshaw wrote:
> Hi, All.
>
> I have a Celestron C11 on a CI700 mount with an NGC-Max digital setting
> circle control. I used to use it with an old Laptop using TheSky 6.0. My
> old laptop had a serial port on it, so the RS-232 cable was a direct
> connect. All was going well until my laptop entered a black hole this
> summer.
>
> The new one, of course, does not have a serial port ("What's that?" asked
> the clerk.) So I got one of Thomas Hilton's RS-232 to USB converter
> adapters and installed it on my new laptop (a Dell Vostro).
>
> I set up TheSky's Telescope setup dialogs as I had before, but now when I
> sync the laptop with the scope, strange things happen. At sync, the Warp
> (or "difference") is in good agreement with the NGC Max. But when I start
> to slew, the RA and DEC readouts (in Telescope, Digital Setting Circle
mode
> in TheSky) change WAY too fast. For instance, a slew of 30 minutes in RA
> causes a 4 HOUR change in the readout, and a slew of 20 degrees in DEC
> causes a 40 or 50 degree change in the readout.
>
> I am at a loss to figure this out, having tried all sorts of tweaks in the
> setup dialog. My encoders are hi res (4,000 tics per rev).
>
> Anybody have any suggestions?
>
Check your comms rate. It's probably set to 115K, try dropping it to
38.4K, or even 9600.
Tim
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