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darylf96
Pooh-Bah
Reged: 08/28/04
Loc: Danville, California
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Help! Problem Updating Nexstar HC
#3026603 - 04/05/09 09:18 PM
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Could sure use some help! I am trying to update my Nexstar nand controls for both CGE and CG5A scopes so I can use the new Allstar Alignment routine. I downloaded the Celestron HC Update program, plugged in the HC to my serial port, powered up the HC (only had the electronics unit, so the RA and Dec cables not connected to motor ports)and held down the Info and Undo buttons as instructed, but neither of my HCs would enter into "Program Mode". Pretty sure my connection to the PC was OK, because I tried both the PC serial port on COM1 and my serial-to USB cable, which made COM3 active on the Celestron HC Update software. If anyone can help I'd be greatful.
Daryl
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Doug6952
Pooh-Bah
Reged: 07/24/08
Loc: West Milford, NJ
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Re: Help! Problem Updating Nexstar HC
[Re: darylf96]
#3026693 - 04/05/09 10:09 PM
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I belive you have to be holding down the buttons while you turn the mount on.
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darylf96
Pooh-Bah
Reged: 08/28/04
Loc: Danville, California
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Re: Help! Problem Updating Nexstar HC
[Re: Doug6952]
#3026816 - 04/05/09 11:35 PM
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Hi,Doug:
Yeah, I had this right, held the two buttons during power-up of the mount. I am thinking that my cable may be defective or not the right configuration. I ordered a new one that is made specifically for the Celestron. I have so many cables that I'm not sure what the cable I'm using was originally for! May have different pin settings or may not be making contact, though it fits the HC just fine. I'm pretty sure that the HC must recognize the connection before it will initiate the download, and this is apparently not happening. So the cable may be the culprit. Thanks for your response!
Daryl
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rmollise
Postmaster
Reged: 07/06/07
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Re: Help! Problem Updating Nexstar HC
[Re: Doug6952]
#3027223 - 04/06/09 08:34 AM
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Quote:
I belive you have to be holding down the buttons while you turn the mount on.
Yep. And the HCs have to be the programmable version, of course.
And, yep, you have to use the Celestron cable (or make one yourself).
Edited by rmollise (04/06/09 08:35 AM)
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mclewis1
Thread Killer
Reged: 02/25/06
Loc: New Brunswick, Canada
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Re: Help! Problem Updating Nexstar HC
[Re: rmollise]
#3027523 - 04/06/09 11:22 AM
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Daryl,
You can check your cable(s) against the pinouts listed on Mike's site http://www.nexstarsite.com/PCControl.htm
Personally I'd verify that the PC to HC connection works with something like ASCOM and a freeware planetarium program before I'd try HCUpdate. Yes it's a bit more complicated (more s/w components) but I like to ensure a solid connection before I mess with firmware.
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