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ETX-105EC, ETX-125EC instruction manual
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32 pages, 833.82 Kb
Meade Instruments Corporation
Instruction Manual
ETX-90EC Astro
Telescope
ETX-105EC Astro
Telescope
ETX-125EC Astro
Telescope
Contents
Main
Page
WARNING!
1
3
4
QUICK-START GUIDE
5
Page
ETX:Your Personal Window to the Universe
Telescope Controls
Light No. Light Status
GETTING STARTED
Parts List
Assembly Instructions
Join an Astronomy Club Attend a Star Party
Using The Viewfinder
Focusing the Viewfinder
Aligning the Viewfinder
OBSERVA TION TECHNIQUES
Choosing an Eyepiece
Too Much Power?
Understanding Magnification
Terrestrial Observing
Astronomical Observing
Sidereal Rate
The Electronic Controller
Slew Speeds
Modes of Operation
Telescope Mountings
Alt/Az Mode
P
Surf the Web
Celestial Coordinates
Locating the Celestial Pole
Polar Alignment Procedure
Polaris
Little Dipper Big Dipper Cassiopeia
PHOTOGRAPHY
12
64 5
7
OPTIONAL ACCESSORIES
Page
GENERAL MAINTENANCE
Storage and Transport
Inspecting the Optics
Troubleshooting
Unable to see an image through the eyepiece:
Object appears in the viewfinder but not in the eyepiece:
Telescope does not track a celestial object:
Telescope moves off a terrestrial object while observing:
Telescope does not move past a certain point:
Telescope pauses when changing slew direction:
A terrestrial object appears reversed left-for-right:
Meade Customer Service
ETX-90EC Astro Telescope
with encoders, bothaxes
ETX-105EC Astro Telescope
Telescope dimensions: . . . . . . . . . . . . . 43cm x 25cm x 20cm (17 x 10 x 8)
ETX-125EC Astro Telescope
Appendix A: ADVANCED ELECTRONIC CONTROLLER FUNCTIONS
Tracking Motor Speeds
- 26 -
Step 3.
Step 5.
Appendix B: HELPFUL CHARTS
Latitude Chart for Major Cities of the World
City State/Prov./Country Latitude
Star Locator
City State/Country Latitude
Appendix C: PRECISE POLAR ALIGNMENT; SETTING CIRCLES
Setting Circles
Appendix D: YOUAND THE UNIVERSE
OBJECTS IN SPACE
Autostar Glossary
The Moon
Planets
Further Study....
MEADE LIMITED WARRANTY
WARNING