[sac-forum] Re: Anybody Got an Idea?

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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