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ASTRO-PHYSICS GTO - What if I Lose My Calibration; Specify Mount Type

ASTRO-PHYSICS GTO
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47
1. Go to Park / Mount Opt. Menu. (Main Menu → 2=Setup → 4=Park / Mount Opt.)
2. Choose 5=Calibrate menu. You have two choices. Refer to the appropriate sections in the Normal Startup Sequence
section.
a) 1=N Polar Calibrate
b) 2=2 Star Calibrate
What if I lose my calibration?
Assuming that the mount itself did not move and you are polar-aligned, you can use the sync function as described under
Advanced Features later in the manual. This is the quickest and easiest method.
Alternatively, go to calibrate Menu as described above and follow the “N Polar Calibrate” or “2-Star Calibrate” procedure.
Since you will already be polar aligned and your location has been selected, you are simply telling the mount where it is
pointing. No further adjustments should be needed. Note: do not use the solar system objects in these routines since the
R.A./Dec. positions change with time.
Specify Mount Type
This setting is made at Astro-Physics. To check or make corrections, follow this
procedure.
1. Go to the Park/Mount Options Menu. Main Menu → “2=Setup” → :4=Park/
Mount Opt”.
2. Press “6=Mount Type”. Notice that the number eld changes each time you
press 6.
Scroll through choices – Continue to press “6” to choose: AP400, AP600E, AP900, AP1200, Mach1, AP1100, AP1600 and
AP3600. If you own a mount produced by Parallax Instruments or Mountain Instruments, check with them for your proper
setting.
0, 1, 2, 3, 4 =Mount Park
5=Calibrate Menu
6=Mount Type: AP1600
Park / Mount Options Menu

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