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Celestron Advanced GT mount firmware upgrade problem
Posted 22 May 2011 - 11:22 AM
I have successfully upgraded the MC control software which went without a hitch but upgrading the Hand controller to v4.19 is proving impossible.
I have tried all combinations UNDO+INFO = ‘transmit data’ message and running the HCcontrol upgrade software. Yes, I downloaded the correct GEM v4.19 firmware selecting the correct USB virtual COM port etc. But every time I am getting an error message to say I must press UNDO+INFO on the hand controller in order to active the ‘transmit data’ mode. The comms through the laptop must be OK otherwise the MC control firmware could not have been transferred and installed in the mount. So does any know what is going on?? It is not a WIN 7 problem as I tried on a WIN XP laptop with the same results.
Posted 22 May 2011 - 11:54 AM
Posted 22 May 2011 - 01:51 PM
Posted 23 May 2011 - 10:07 AM
Maybe a different USB-serial lead, such as the FTDI version, might work. Someone else would have to confirm that though as I don't have anything other than the prolifics.
Canon 350D (self modded)
Baader Hyperion 8mm
Stuff that came with my scopes - 10mm 25mm
Grampion 10x50 Binoculars
Posted 24 May 2011 - 09:01 PM
Managed to use a computer fitted with a RS323 serial port but running Ubuntu. Configued the serial port, downloaded the HC updater 1.1.14 and GEM 4.19 firmware. Put HC in ‘transmit data’ mode and BINGO! It worked ...up to a point. We got as far as block 09C4 and the thing froze when verified got the following error on the PC:
“Found difference at Bank: 0,block:16”
Now the HC is locked in ‘Transmit data’ mode and unable to run any firmware but at least it points to there being an incompatibility somewhere between Celestron’s HC com port and USB-to-serial conversion. Why don’t Celestron produce the HC with a USB port it would save all these problems???? No PC has had a serial port for years!
Now how do I reinstate the firmware?
Posted 25 May 2011 - 08:15 AM
Didn't realise they made PCMCIA Serial port cards!! That could solve all the issues. I'll give it a try and report back. Hopefully this problem and its eventual solution will help other 'night hawks'.
Posted 25 May 2011 - 04:07 PM
Posted 28 May 2011 - 11:14 AM
Solution: forget Serial-to-USB. Purchase a good quality Serial port PCMCIA card for an XP laptop. Hand controller updates, verifies and works like a dream! GEM Version 4.19 SORTED!
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