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ASTRO-PHYSICS
Mach1GTO GERMAN EQUATORIAL WITH
GTOCP3 SERVO MOTOR DRIVE
MACH1GTO PARTS LIST
1
Mach1GTO German Equatorial Head with Servo Drive Motors
1
Stainless counterweight shaft with washer stop and black plastic knob (knob has 1/4” thread)
1
GTO Control Box (Model GTOCP3) with pouch and control box-to-pier adapter (CBAPT)
1
Y cable – R.A. portion is 24.5” long and Dec portion is 40.5” long
1
D.C. power cord (cigarette lighter adapter on one end) - 8’ long
1
GTO Keypad controller with 15’ coiled cable and Instruction Manual
1
PulseGuide™
by Sirius Imaging – remote control utility for Windows™ PC’s (CD-ROM)
1
Hex key set
In order to assemble your mount fully, you will need the following items sold separately:
•
Telescope mounting plate – many choices to fit your telescope and observing needs. See detailed section later
in this manual.
•
Pier or Tripod
o
6”
Eagle
Adjustable Folding Pier (EAGLE6)
o
Astro-Physics 6” Portable Pier – 6 sizes from 24” to 62” tall (6X##PP)
o
Adjustable Wood Tripod (AWT000)
o
Adjustable Aluminum Tripod (SDS400) This tripod can be used, but is not recommended for heavier
loads.
o
Adapt to your own custom pier or tripod with our Tripod Adapter (ADATRI)
•
Counterweights – 6 lb. (6SLCWT) and 9 lb. (9SLCWT) are available. (5 lb., 10 lb. and 18 lb. with optional
counterweight shaft – see below.)
•
Portable rechargeable 12 volt battery pack or a power converter to convert your household AC current to DC
current of 12 – 16 volts at a minimum of 5 amps. We offer a 13.8 volt 5 amp converter (PS138V5A) and a 15
volt 10 amp converter (PS15V10A).
Many of these items will be discussed throughout these instructions. Several additional options are available:
•
Optional 10.7” total length x 1.875” diameter Counterweight Shaft (M1053) and Safety Stop (M12676) for use
with 5 lb. (5SCWT), 10 lb. (10SCWT) and 18 lb. (18SCWT) counterweights. Handy for travel or if you already
own a 900 or 1200 series mount.
•
Polar Alignment Scope with Illuminator (PASILL4) – for quick and easy polar alignment
•
Pier accessory trays: A flat accessory tray with raised sides, a tray with eyepiece holes, a control box adapter
bracket and two support bar options are now available to fit the 6”
Eagle
Adjustable Folding Pier, some sizes of
the 6” Portable Pier and both tripods. They are handy and attractive places to keep your eyepieces and other
astro-gadgets close at hand! The Control Box Adapter is included in mounts shipped starting in April, 2007.
•
Santa Barbara Instrument Group CCD Imaging cameras, STV, ST-4 Autoguider or other imaging camera- if you
plan to pursue CCD imaging or astrophotography
•
PEMPro™ (Periodic Error Management Professional) is a Windows software application that makes it easy to
characterize and reduce periodic error. PEMPro™ will analyze the performance of any mount that is equipped
with a CCD camera and compatible camera control software. PEMPro™ gives you powerful tools to program
your mount's periodic error correction firmware to achieve the best possible performance for your mount.
PEMPro™ dramatically improves guided and unguided imaging resulting in better images and fewer lost
exposures. While the periodic error of your
Mach1GTO
will be 7 arc seconds or less, you can reduce it even
further to maximize performance without auto-guiding.
Note on Encoders:
Mounted encoders can not be used with the
Mach1GTO
They are not needed since the go-to
functions of the mount are so much more accurate. The encoder that is built into the servo motor itself has a resolution of
0.05 arc seconds vs. 324 arc seconds for mounted encoders.
For a complete catalog of our
Mach1GTO
accessories, visit our website – www.astro-physics.com
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