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CONTENTS
Introduction ........................................................................................................................5
Unpacking ..........................................................................................................................5
Assembly: 60mm and 70mm models ................................................................................5
Assembly: 80mm, 90mm, 114mm, and 127mm Models ....................................................7
Balancing the Tube in the Mount........................................................................................7
Attaching the Viewfinder ....................................................................................................7
Focusing the Viewfinder ................................................................................................9
Aligning the Viewfinder ..................................................................................................9
Observing Through the Telescope......................................................................................9
The Focuser and the Eyepiece-Holder ........................................................................10
Astronomical Observing................................................................................................10
Eyepieces and Magnification........................................................................................10
The Barlow Lens ..........................................................................................................10
A Note About Power......................................................................................................11
Collimation of the Telescope's Optical System ................................................................11
Maintenance......................................................................................................................11
Questions and Repairs ................................................................................................11
Appendix 1: Optical Alignment of 114mm and 127mm Models: ......................................13
Appendix 2: Telescope Control Systems ..........................................................................15
#490 Manual Slow-Motion Control set ........................................................................15
#492 Dual-Motor Electronic Control System................................................................15
To Install the #492 System ..........................................................................................15
Operating Notes on the #492 Dual-Motor Electronic Control System ........................17
#493 Autostar Computer Control System ....................................................................18
To Install the #493 System ..........................................................................................18
Appendix 3: Optional Electronic and Computer Drive Systems ......................................19
#490 Manual Control Set..............................................................................................19
#492 Dual-Motor Electronic Control System................................................................19
#493 Autostar Computer Control System ....................................................................19
#495 Autostar Handbox................................................................................................19
#497 Autostar Handbox................................................................................................19
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