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Hi Bill, it looks like to me that the autoguider isn't calibrated properly. Corrections are often insufficient in RA, and sometimes overshoot a quick jump. The first step is to measure your periodic

Hi Ron, First, Serial/RS232 is fully supported by Gemini-2, not sure why you say it isn't. Ethernet is definitely a better way to go, if you want to get the best out of the PC->Gemini link. Is your PC

Group, I have been trying to use a 14 year old GM8 mount (non-spring loaded worms; non-tucked motors) for variable star analysis. For this analysis, it is not essential that guiding is perfect, but

It might work as you connected them, if one or both ports are auto switching, More than likely, you will need a hub or switch connected between the two. Another possibility is to use a "cross-over"

Hello group, Recently my trusty old Gemini I shot craps after 19 yrs of faithful service. I had to upgrade to the new Gemini 2 and Hand Controller. As you know, the old Gemini I connected to a PC via

Sorry me typing not thinking No a 15 pin VGA will not work as it is 3 rows DB15.?? You need two rows DB15.?? You can buy longer versions of what you have but try to get 2m at least.??? Also

Brendan, Are you saying that a standard VGA cable will work? I have several of those laying around. I don’t understand your comment about “Aldo”. Is that a particular manufacturer? Or is this a

Yes I replaced one for user recently. ?Same issue. ?But they fail near the pins so doing a jumper is not so easy. ? ?DB15 Male /Female 2m or a little more. ? ?Mouser or Digikey. ? There are

Sorry for the delayed answer. Yesterday I was playing with the mount and noticed the North button was working again. After a few experiments I found that it was indeed the cable between the HC and the

I had this exact same problem. I too thought it might be the HC. Turns out all I did was replace the button battery in the main Gemini box (not the HC). Replaced battery and all is well. Scott

So, what happened? -- Chip Louie Chief Daydreamer Imagination Hardware Astrospheric - South Pasadena Astrospheric Signature ( https://www.astrospheric.com/?Latitude=34.114268&Longitude=-118.1400894 )

Brendan, Thanks for the additional info. I will test this tomorrow. Bill

Hi Bill, I'm home now so can attach more info on this: Just remember the "DEC+" out (Pin 9 HC)? becomes DEC "-ve" when "REV DEC" is selected.??? This is why the fault appears to change.?? In

Bill id suggest it’s a cable issue or pin not contacting socket properly. The HC button is ok. ?Selecting “Rev” proves this. ?But it also uses the same “Dec+” wire out as “Dec -“ when

On Tue, Sep 10, 2024 at 02:37 PM, Bill Tschumy wrote: > > Michael Hermann also thinks the logic chip is the likely culprit. ?Can you > even get another of those now a days? > > I did try a CMOS reset

Michael Hermann also thinks the logic chip is the likely culprit. Can you even get another of those now a days? I did try a CMOS reset but that didn't fix the problem. I don’t have another HC cable

Just happens to be one for sale on eBay. (

It could be a broken wire in the HC cable, too. René Am 10.09.24 um 18:44 schrieb Will:

I don't know what is closest to a general reset to factor settings for Gemini 1 but maybe try a "Restore to Defaults" and manually reconfiguring the Gemini-1?? IDK the Gemini hardware but maybe the

Bill, It must be the I.C. (although I have not seen the schematic of the HandBox) as you have eliminated the actual switch with your testing method.? I need to take apart my Handbox to see just what