• Quick-Start Guide
• Chapter 1: Getting Started
  • Introduction
    • The Electronic Controller
    • Parts Listing
    • Assembly Instructions
  • Telescope Features
    • Quick Tips
    • Telescope Controls
    • Computer Control Panel
    • Electronic Controller Functions
    • First Observations
      • Observing with the Electronic Controller
  • The Viewfinder
    • Focusing the Viewfinder
    • Aligning the Viewfinder
    • Using the Viewfinder
• Chapter 2: Telescope Fundamentals
  • Introduction
    • Choosing an Eyepiece
    • Understanding Magnification
    • Telescope Mountings
    • Terrestrial Observing
    • Astronomical Observing
      • Sidereal Rate
      • Slew Speeds
  • The Electronic Controller
    • Modes of Operation
      • Using the Mode Screws
      • Electronic Controller Modes
• Chapter 3: Polar Alignment
  • Celestial Coordinates
  • Locating the Celestial Pole
  • Polar Alignment Procedure
• Chapter 4: Observing
  • Objects in Space
    • The Moon
    • Planets
    • Deep-Sky Objects
  • Photography with the ETX-90EC
• Chapter 5: Optional Accessories
• Chapter 6: Maintenance and Servicing
  • General Maintenance
  • Storage and Transport
  • Inspecting the Optics
  • Troubleshooting
  • Meade Customer Service
  • Specifications
• Appendix A: Tracking Motor Speed
• Appendix B: Helpful Charts
  • Latitude Chart for Major Cities of the World
  • Star Locator
• Appendix C: Precise Polar Alignment; Setting Circles
  • Precise Polar Alignment
  • Setting Circles
• Appendix D: Road Map to the Stars
• Appendix E: You and the Universe

Related Topics:

• Authorized Dealers
• Meade ETX-90EC and ETX-125EC Astro Telescopes
• Optional Accessories for ETX Telescopes
• #497 Autostar Computer Controller
• Autostar Downloads
• Meade #505 Connector Cable Set Manual
• Index of Instruction Manuals
• General Catalog Index
• Meade Product Repair and Warranty Information