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Meade LX90 User Manual

Meade LX90
60 pages
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Instruction Manual
8" LX90 Schmidt-Cassegrain Telescope
AutoStar
®
— LNT
— SmartFinder

Table of Contents

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Meade LX90 Specifications

General IconGeneral
Focal Length2000 mm
Focal Ratiof/10
Optical DesignSchmidt-Cassegrain
GoToYes
Database30, 000+ objects
Tracking RatesSidereal, Lunar, Custom
GPSOptional
Power Requirement12V DC
Aperture203 mm (8 inches)
Mount TypeFork
Eyepiece26 mm Super Plössl
Motor DriveDC Servo Motors

Summary

Quick-Start Guide

Attaching the Tripod to the Telescope

Describes how to attach the tripod to the telescope assembly.

Telescope Features Overview

AutoStar Features

Basic AutoStar Operation

AutoStar Navigation Exercise

Practice navigating AutoStar menus to calculate sunset time.

Configuring the SmartFinder Red Dot

Instructions for adjusting the SmartFinder's red dot intensity and blink rate.

Getting Started

Attaching the Tripod to the Telescope Assembly

Detailed steps for attaching the telescope mount to the field tripod.

Assembling Your Telescope

Choosing an Eyepiece

Using the SmartFinder

Guide to using the SmartFinder for object location and aiming.

Alignment Procedures

Aligning SmartFinder and Viewfinder

How to align the SmartFinder and viewfinder with the main telescope.

Observing with Your Telescope

Astronomical Observing

Automatic Object Tracking

How to enable and use the telescope's automatic tracking feature.

Initializing AutoStar

Step-by-step guide for the initial setup and configuration of AutoStar.

Automatic Alignment Procedures

Performing Automatic Alignment

Detailed steps for the telescope's automatic alignment process.

Go To Saturn Example

Using the Guided Tour Feature

AutoStar Menu Navigation

Entering Data into AutoStar

How to input numbers and text, and move the cursor in AutoStar.

Menus and Menu Options

Setup Menu Options

Telescope Motor and Alignment Settings

Adjusting motor performance, alignment, and tracking for precision.

Advanced Setup Options

Custom Object Data Entry

Satellite Observation Guide

Custom Guided Tour Creation

Advanced Alignment and Identification

Alignment and Database Search

Two-Star Alt/Az Alignment

Aligning the telescope using two bright stars for precise pointing.

Telescope Maintenance

Optical Collimation

Essential procedures for aligning the telescope's optical system.

Inspecting the Optics

Checking Telescope Movement

Appendix A: Equatorial (Polar) Alignment

Polar Alignment Procedures

AutoStar Polar Alignment Methods

Using Easy, One-Star, and Two-Star methods for polar alignment.

Wedge and Pole Alignment

Appendix C: Training the Drive

Appendix D: Changing the LNT Module Battery

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