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- Page 1 ASTRO-PHYSICS 600E GERMAN EQUATORIAL WITH GTO SERVO MOTOR DRIVE Model GTOCP2 600EGTO German Equatorial Mount with 130 f6 StarFire EDFS, 9 lb. and 6 lb. Counterweights, 8” Dovetail Plate and Adjustable Wood Tripod March 30, 2000...
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Page 2: Table Of Contents
TABLE OF CONTENTS MODEL 600EGTO PARTS LIST FEATURES AND SPECIFICATIONS INTRODUCTION Why Polar Alignment is Important Compensation for the Earth’s rotation ASSEMBLY INSTRUCTIONS Assemble Pier or Tripod Assemble Mount to Pier or Tripod Altitude and Azimuth Adjustments - Rough Polar Alignment... -
Page 3: Model 600Egto Parts List
600EGTO GERMAN EQUATORIAL MOUNT WITH SERVO MOTOR DRIVE MODEL 600EGTO PARTS LIST 600EGTO Equatorial Head with Servo Drive Motors GTO Servo Drive Electronics Box (Model GTOCP2) and Carrying Bag GTO Keypad Controller with 15’ Coiled Cable Cable to connect GTO Servo Drive Electronics Box to the mount Stainless counterweight shaft with washer stop and black plastic knob (5/16-18 threaded rod) D.C. -
Page 4: Introduction
INTRODUCTION The 600EGTO German equatorial mount offers many fine features to provide superb performance in a compact, portable package. Rigid aluminum castings enclose the worm gears and the right ascension and declination motors. Drive components are protected from dirt and dust, extraneous wires and gearing are eliminated, and the overall appearance is enhanced. -
Page 5: Assembly Instructions
ASSEMBLY INSTRUCTIONS Please read all instructions before attempting to set up your 600EGTO mount. The Model 600EGTO is very rugged, however like any precision instrument, it can be damaged by improper use and handling. Please refer to the following illustrations. The parts are labeled so that we can establish common terminology. -
Page 6: Assemble Pier Or Tripod
Assemble Pier or Tripod Begin by assembling the pier or tripod at the desired observing location. ADJUSTABLE HARDWOOD TRIPOD: Remove the tripod from its carrying case and attach the shelf to each of the three legs with the knobs provided. Adjust legs to the desired height and spread. Lock in position with the hand knobs. PORTABLE PIER: Slide the three legs onto the nubs of the base. -
Page 7: Assemble Cradle Plate (Purchased Separately)
Use the 5mm hex key to loosen the M6 socket head cap screw on each side of the mount base. Loosen the two M12 socket head screws on each side of the mount using the 10mm key provided. If your scope is mounted, support its weight with your other hand since you are loosening a critical bolt. -
Page 8: Right Ascension Axis Clutch Lever
maneuver may be difficult to accomplish with a large, heavy instrument. We prefer this keyhole method to the standard way of completely removing the screws and possibly dropping them in the grass. If you are using a dovetail plate (DOVE08, DOVE15, and DOVELM) on your mount, you will attach your mounting rings to the corresponding sliding bar. -
Page 9: Servo Motor Drive
Drive Cable Connections Attach one end of the cable (included with your mount) to the 10-pin receptacle labeled “Motors” on the GTO Control Panel and the other end to the front panel of the 600EGTO head. Lock all connectors. 12V Connector Place the DC power cord (included with your mount) into the phono plug outlet marked 12V on the GTO Control Panel and lock in place. -
Page 10: Rs-232 Connectors
RS-232 Connectors These serial port connections are used to connect your mount to your PC computer. You must provide your own cables with a 9 pin (DB9) male connector to interface with the GTO panel. We have provided the locking posts to secure the cable firmly. If your serial cable does not have a 9-pin connector, you can use a gender changer or adapter to convert it. -
Page 11: Gto Keypad Controller Operation
MOUNT MAINTENANCE AND ALIGNMENT: Under normal operating conditions, no maintenance is required. Your 600EGTO is a precision instrument with very accurate worm and wheel adjustments. Please be careful if you place the mount on a flat surface, i.e. the ground or trunk of your car. - Page 12 Support@astro-physics.com Recommended reading from our staff: The Backyard Astronomer's Guide, Terence Dickinson and Alan Dyer, Camden House Publishing, 1991The authors, both former editors of Astronomy magazine, offer practical insight into astronomical equipment, finding your way around the sky, polar alignment, using setting circles, and astrophotography. This book provides excellent explanations and is well organized and illustrated.
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Page 13: Installation Of Encoders And Encoder Housings -600E Mount
INSTALLATION OF ENCODERS AND ENCODER HOUSINGS –600E MOUNT ENC600 (purchased separately) Parts List: Right Ascension (R.A.) Encoder housing (black anodized) Declination (Dec.) Encoder housing (black anodized) R.A. Axis Adapter (clear anodized - silver colored), labeled R.A. Dec. Axis Adapter (clear anodized - silver colored), labeled Dec. To install your encoders, first remove the telescope from your mount. -
Page 14: Periodic Maintenance
Thread the R.A. axis adapter into the end of your R.A. axis (if your polar alignment scope is fitted you must remove this first along with the polar alignment scope adapter). Use moderate hand pressure to tighten the R.A. adapter since you may need to remove it to install the polar axis telescope at a later time.
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