Re: [ap-gto] 900GTO & meridian


Aug 31, 2001

 


----------------------------

#3381 Aug 31, 2001

I needed to start a long imaging session and needed to advance the

meridian which I did by setting the time 1 1/2 hours ahead...this

worked fine. Then, I immediately reset to the correct time so I

wouldn't forget later.



4 hours later, I finished and did the "Park" routine...the scope

thought it was upside down and started to slew underneath the mount.



Did I do anything wrong or does the "park" routine get messed up

after a time change?



Thanks,

Randy



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#3382 Aug 31, 2001

In a message dated 8/31/2001 7:37:58 AM Pacific Daylight Time,

rjnulman@... writes:



> I needed to start a long imaging session and needed to advance the

> meridian which I did by setting the time 1 1/2 hours ahead...this

> worked fine. Then, I immediately reset to the correct time so I

> wouldn't forget later.

>

> 4 hours later, I finished and did the "Park" routine...the scope

> thought it was upside down and started to slew underneath the mount.

>

> Did I do anything wrong or does the "park" routine get messed up

> after a time change?

>

>



If you did a recal after resetting the time back to the correct time, then

the servo would have assumed that the scope was on the other side. This

difficulty has been fixed in the new version of the chip. Also, in the new

keypad program it is now easy to advance the meridian without messing with

the clock time. The display allows you to enter from 1 to 6 hours of meridian

delay, either east or west. The mount will then keep track of your position

and will park properly.



Roland Christen





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