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LXD75 instruction manual
Models:
LXD75
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Specifications
Error codes
Appendix C Latitude Chart
Warranty
Dimension
Maintenance
Select Item Setup
b Viewfinder assembly, Newtonian models
Useful Autostar Procedures
Method #4 Smart Drive Training Periodic Error Correction
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Contents
Instruction Manual
LXD 75 -Series Telescopes
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CONTENTS
e d B
d BC1 g f e
Fig. 1d The LXD75-Series Mount insert shows opposite side of Mount
1&3$
C A B D E F
Fig. 1e The LXD75-Series Computer Control Panel see 2$ above
LXD75-SeriesYour Personal Window to the Universe
2$ Computer Control Panel see Fig. 1e
LXD75 TIPS
Join an Astronomy Club, Attend a Star Party
I G K J
AUTOSTAR FEATURES
Features
Tour the Cosmos with Just the Push of a Button
Press MODE again to return to the previous menu
Note Pressing MODE repeatedly while in the “Select Item” level moves
Local Time and Local Sidereal Time LST Timer and Alarm Status
Autostar to the topmost screen “Select Item Object.”
How to Assemble Your Telescope
GETTING STARTED
Attach viewfinder bracket Achromatic refractor, Schmidt-Newtonian and
Balancing the Telescope
Note Remember to turn off the LED when you are not using the reticle
A B C D E F
Fig. 14b Viewfinder assembly, Newtonian models
Aligning the Viewfinder
Choosing an Eyepiece
LXD75 TIPS
Observing by Moving the Telescope Manually
Too Much Power?
x sidereal 0.5 arc-min/sec or 0.008/sec
Activate the Arrow Keys Autostar Models Only
Slew Speeds Autostar Models Only
Tracking Objects
Setting the Polar Home Position
Observe the Moon
Which One’s the Alignment Star?
Observe a Star using the Automatic Tracking Feature
Using Autostars GO TO Capabilities Autostar Models Only
Moving Through Autostar’s Menus Autostar Models Only
Initializing Autostar Autostar Models Only
Training the Drive Autostar Models Only
Easy Alignment Autostar Models Only
Go To Saturn Autostar Models Only
Using the Guided Tour Autostar Models Only
BASIC AUTOSTAR OPERATION
Autostar Navigation Exercise
Example
A ut o star
Look into the Future
Entering Data into Autostar
Navigating Autostar
LXD75 TIPS
Select Item Object
AUTOSTARS MENUS
Select Item Setup
Select Item Event
MENUS
Object Menu
Utilities Menu
Event Menu
Glossary Menu
Never use a Meade
Setup Menu
LXD75 TIPS Observing Considerations
Note Autostar compensates for daylight savings time, if selected. See
c. Custom Allows entry of user-defined tracking rates
Surf the Web
LXD75 TIPS
Adding Observing Sites
USEFUL AUTOSTAR PROCEDURES
Using Autostar to Find Objects Not in the Libraries
To GO TO a user-entered object
To Add a landmark to the database
Observing Satellites
Landmarks
To perform a Landmark Survey
To Check on the Available Memory
To Select a landmark from the database
d C B
PHOTOGRAPHY
Fig. 26 #905 Variable Polarizer
OPTIONAL ACCESSORIES
Fig. 24 Series 4000 Eyepieces Fig. 25 #140 2x Barlow Lens
Fig. 27 Series 4000 8 - 24mm Zoom Eyepiece
Fig. 28 Series 4000 Photo-Visual Fig. 29 Series 4000 Nebular Filters
Fig. 30 Optional Autostar handbox for EC model users
MAINTENANCE
General Maintenance
Alignment Collimation of the Schmidt-Newtonian Optical System
b c d e f g
Fig. 31b The four collimation screws on the diagonal mirror housing
Alignment Collimation of the Schmidt-Cassegrain Optical System
Caution Do not force the three collimation
Fig. 33a Defocused star images. Misaligned 1, 2, Aligned
Alignment Collimation of the Newtonian Reflector Optical System
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8 f/4 Model SN-8AT, SN-8EC Specifications
SPECIFICATIONS
6 f/5 Model SN-6AT, SN-6EC Specifications
6 f/8 Model AR-6AT Specifications
10 f/4 Model SN-10AT Specifications
5 f/9.3 Model AR-5AT, AR-5EC Specifications
8 f/10 Model SC-8AT Specifications
6 f/5 Model N-6EC Specifications
Meade Customer Service
Autostar Specifications
Autostar Dimensions
Inspecting the Optics
Setting Circles
APPENDIX A CELESTIAL COORDINATES
One-Star Polar Alignment
Locating the Celestial Pole
Polar Alignment
Two-Star Polar Alignment
Enhancement Methods
Method #1 Three-Star Alignment Using Autostar
The Polar Alignment Viewfinder
APPENDIX B ENHANCING POINTING PRECISION
Method 2 Axis Alignment Procedures
eyepiece when prompted
Procedure #2 To correct for elevation misalignment
Method 3 Axis Alignment Using Autostar
PEC Update Menu Option
Method #4 Smart Drive Training Periodic Error Correction
Important Note The Train option overwrites any previous PEC data
PEC Train Menu Option
EUROPE
APPENDIX C LATITUDE CHART
NORTH AMERICA
SOUTH AMERICA
Light No
APPENDIX D EC HANDBOX
Important Note
Light Status
Modes of Operation
See pages 17 and 18 for more information
To move the telescope using the Electronic Controller
Slew Speeds
Tracking Rates
Note The tracking rate can be increased by up to 65%
Note The tracking rate can be decreased by up to 65%
Note The tracking rate can be increased by up to 65%
Changing the Polar Mode
Fig. 53 Indicator Light Key for Changing the Polar Mode
Note The tracking rate can be decreased by up to 65%
APPENDIX E MOUNTING THE MODEL SC-8 SCHMIDT- CASSEGRAIN OPTICAL TUBE
How to Attach the Optical Tube to the Mount
Objects in Space
APPENDIX F BASIC ASTRONOMY
Autostar Glossary
The Moon
Fig. 59 The Pleiades is one of the most beautiful open clusters
Planets
Deep-Sky Objects
Topics
Further Study
LXD75 TIPS
Books
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MEADE LIMITED WARRANTY
14-7500-01 9/04B