Meade ETX-125PE Manual de Instruções descarregar pdf (Página 3)

Quick-Start Guide . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Chapter 1: Getting Started . . . . . . . . . . . . . . . . . .5

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

The Electronic Controller . . . . . . . . . . . . . . . . . .5

Parts Listing . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Assembly Instructions . . . . . . . . . . . . . . . . . . . .5

Telescope Features . . . . . . . . . . . . . . . . . . . . . . . . .6

Quick Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Telescope Controls . . . . . . . . . . . . . . . . . . . . . .6

Computer Control Panel . . . . . . . . . . . . . . . . . . .6

Electronic Controller Functions . . . . . . . . . . . . . .6

First Observations . . . . . . . . . . . . . . . . . . . . . . .7

Observing with the Electronic Controller . . . .7

The Viewfinder . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Focusing the Viewfinder . . . . . . . . . . . . . . . . . . .8

Aligning the Viewfinder . . . . . . . . . . . . . . . . . . . .8

Using the Viewfinder . . . . . . . . . . . . . . . . . . . . .8

Chapter 2: Telescope Fundamentals . . . . . . . . .9

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Choosing an Eyepiece . . . . . . . . . . . . . . . . . . . .9

Understanding Magnification . . . . . . . . . . . . . . .9

Telescope Mountings . . . . . . . . . . . . . . . . . . . . .9

Terrestrial Observing . . . . . . . . . . . . . . . . . . . .10

Astronomical Observing . . . . . . . . . . . . . . . . . .10

Sidereal Rate . . . . . . . . . . . . . . . . . . . . . . .10

Slew Speeds . . . . . . . . . . . . . . . . . . . . . . .10

The Electronic Controller . . . . . . . . . . . . . . . . . . . .11

Modes of Operation . . . . . . . . . . . . . . . . . . . . .11

Using the Mode Screws . . . . . . . . . . . . . . .11

Electronic Controller Modes . . . . . . . . . . . .11

Chapter 3: Polar Alignment . . . . . . . . . . . . . . . .12

Celestial Coordinates . . . . . . . . . . . . . . . . . . . .12

Locating the Celestial Pole . . . . . . . . . . . . . . . .12

Polar Alignment Procedure . . . . . . . . . . . . . . . .12

Chapter 4: Observing . . . . . . . . . . . . . . . . . . . . . .14

Objects in Space . . . . . . . . . . . . . . . . . . . . . . . . . .14

The Moon . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Planets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Deep-Sky Objects . . . . . . . . . . . . . . . . . . . . . .14

Photography with Both ETX Models . . . . . . . . . . . .15

Chapter 5: Optional Accessories . . . . . . . . . . .16

Chapter 6: Maintenance and Servicing . . . . .19

General Maintenance . . . . . . . . . . . . . . . . . . . .19

Storage and Transport . . . . . . . . . . . . . . . . . . .19

Inspecting the Optics . . . . . . . . . . . . . . . . . . . .19

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . .19

Meade Customer Service . . . . . . . . . . . . . . . . .20

Telescope Specifications . . . . . . . . . . . . . . . . .21

Appendix A: Tracking Motor Speed . . . . . . . .22

Appendix B: Helpful Charts . . . . . . . . . . . . . . . .23

Latitude Chart for Major Cities of the World . . .23

Star Locator . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Appendix C: Precise Polar Alignment;

Setting Circles . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Precise Polar Alignment . . . . . . . . . . . . . . . . . .24

Setting Circles . . . . . . . . . . . . . . . . . . . . . . . . .24

Appendix D: Road Map to the Stars . . . . . . . .25

Appendix E: You and the Universe . . . . . . . . .26

CONTENTS

WARNING!

Never use a Meade

ETX

Astro Telescope

to look at the Sun! Looking at or near the

Sun will cause instant and irreversible

damage to your eye. Eye damage is often

painless, so there is no warning to the

observer that damage has occurred until it

is too late. Do not point the telescope or its

viewfinder at or near the Sun. Do not look

through the telescope or its viewfinder as

it is moving. Children should always have

adult supervision while observing.

® The name “Meade,” the Meade logo, and “ETX” are

trademarks registered with the U.S. Patent Office and in

If you are anxious to use your ETX Astro

Telescope for the first time, b e f ore a

thorough reading of this instruction manual,

see the Quick-Start Guide on page 4.

CAUTION: Use care to install batteries as

indicated by the battery compart m e n t .

Follow battery manufacturers precautions.

Do not install batteries backward or mix

new and used batteries. Do not mix battery

t y p e s . If these precautions are not

followed, batteries may explode, catch fire,

or leak. Improperly installed batteries void

your Meade warranty.

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