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Manual de instrucciones National Geographic NG90EQ

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Summary
  • National Geographic NG90EQ - page 1

    NG90EQ Maksutov-Cassegrain Telescope Instructions and Owner’s Manual ...

  • National Geographic NG90EQ - page 2

    2 A. Equatorial mount G. 3X Barlow lens M. Accessory tray screws a. Counterweight H. Main optical unit N. Tripod leg bolts B. Counterweight shaft I. Accessory tray O. Tripod Legs C. Slow-motion control knobs J. Finder scope D. 9mm eyepiece K. 45º Diagonal prism E. 25mm eyepiece L. Mounting plate WARNING! NEVER aim your telescope at the sun or even ...

  • National Geographic NG90EQ - page 3

    3 Introduction Congratulations on your purchase of a precision-crafted NATIONAL GEOGRAPHIC™ telescope. With proper care and handling of your telescope, you will enjoy the pleasure of looking at nature’s wondrous sights thr ough the eye of this instrument for many years. The NG90EQ has been designed to provide views of the moon’s craters, Jupi ...

  • National Geographic NG90EQ - page 4

    4 ASSEMBLY 1) Carefully remove all parts from the cardboard cartons and lay them on a table or on the floor in order to take an inventory of all the pieces. Keep your box for storage or in case you ever need to ship your telescope. 2) Each aluminum tripod leg can extend to almost double its closed length. This enables the height of the telescope to ...

  • National Geographic NG90EQ - page 5

    5 (Fig. 2) (Fig. 3) 5) The main optical unit is attached to the equatorial mount with a black cast metal mounting plate. This mounting plate has f our chromed screws mounted in it. Remove all four screws. The mounting plate has one smooth face and one face with small ridges. Place the smooth face against the underside of the main optical unit. Then ...

  • National Geographic NG90EQ - page 6

    6 7) The counterweight balances your telescope and makes it easy to adjust and position. Hold the counterweight in your hand so you can see through the hole in the weight. Make sure that the black tight ening knob on the counterweight is facing down. When you look through the counterweigh t, if you see that the hole is blocked by a metal rod, slowl ...

  • National Geographic NG90EQ - page 7

    7 10) Remove the plastic dust cap from t he upper eyepiece port and insert the 25-mm eyepiece into the eyepiece holder. Tighten the small set screw to hold the eyepiece securely in place. ( See Fig. 15). (Fig. 15) 11) Remove the plastic dust cap from t he rear eyepiece port and attach the 45º diagonal prism by turning its collar clock wise over th ...

  • National Geographic NG90EQ - page 8

    8 Complete the following settings in daylight: 1) Insert the 25-mm eyepiece into the eyepiece holder. Look at an easily recognizable, stationary object that is at least 500 feet away. Slightly loosen all locking knobs and move the telescope until the object is in the center of the field of view. Then bring the image into focus. 2) Firmly retighten ...

  • National Geographic NG90EQ - page 9

    9 You can also adjust the declination by raising or lowering the angle of the main optical unit until the arrow on the degree scale loca ted on the side of the equatorial mount points toward the north latitude of your observing location. If you do not know your viewing position’s north latitude, you can call a local weather office or airport to f ...

  • National Geographic NG90EQ - page 10

    10 The two eyepiece ports can be used in another way. With an optional camera adapter and appropriate T-ring a 35-mm SLR camera body can be attached to the rear eyepiece port. The 45º diagonal prism must first be re moved. With an eyepiece in the top eyepiece port and a camera body attached to the rear eyepiece port a subject can be observed with ...

  • National Geographic NG90EQ - page 11

    11 The level of magnification required depends on the object being observed. Optimal performance is obtained if the magnification is typically not more than appromiately 30X for every 10 mm of objective lens diameter . Magnification of around 265X or less is ideal for a telescope with a 90-mm diameter objective lens and is best for observing most c ...

  • National Geographic NG90EQ - page 12

    12 When possible, avoid sudden temperature c hanges, as the moisture in the air will condense on the objective lens. Should this o ccur after bringing your telescope inside, leave the lens cap off the objective lens, tilt the objective (front) lens facedown, and wait until the telescope reaches room temperature. USING YOUR TELESCOPE FOR TERRESTRIAL ...

  • National Geographic NG90EQ - page 13

    13 CARE AND CLEANING OF OPTICS Optical components of a telescope get dirty over time. Dirt or dust on a lens should be removed with the utmost care. A considerabl e amount of dirt or dust would have to accumulate on the optical surface before your view would be compromised. 1) Keeping dust caps on during storage and transport will reduce dust colle ...

  • National Geographic NG90EQ - page 14

    14 The popular and more familiar constellations often provide the easiest landmarks to help find the planet’s locations and paths of orbit. Most people have looked up at the sky at night and seen some of the planets without even realizing it. A planet looks like a bright star but does not twin kle like a star does; it looks like a tiny ball. Venu ...

  • National Geographic NG90EQ - page 15

    15 2) Why can’t I see any thing through my telescope? If you see only gray or black when looking through your telescope, even after searching for an object to view, it is very likely that you are using an eyepiece that is too powerful. To solve this problem always start with the lowest power eyepiece first, and only insert the higher-power eyepie ...

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Todos son importantes, pero lo más importante desde el punto de vista del usuario de un dispositivo lo encontraremos en el manual de instrucciones National Geographic NG90EQ.

Un conjunto de documentos determinado como manual de instrucciones se divide también en tipos más detallados, tales como: instrucciones de montaje National Geographic NG90EQ, instrucciones de servicio, instrucciones cortas o instrucciones de usuario National Geographic NG90EQ. Dependiendo de la situación debes buscar el documento que necesitas. En nuestra página puedes consultar el manual de instrucciones más popular del producto National Geographic NG90EQ.

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El manual de instrucciones del dispositivo National Geographic NG90EQ, ¿cómo debería ser?
El manual de instrucciones, también determinado como el manual de usuario o simplemente instrucciones, es un documento técnico que tiene como objetivo ayudar a los usuarios a utilizar National Geographic NG90EQ. Las instrucciones normalmente las realiza un escritor técnico pero en un lenguaje comprensible para todos los usuarios de National Geographic NG90EQ.

El manual de instrucciones completo de National Geographic debe contener unos elementos básicos. Una parte de ellos es menos importante, como por ejemplo: la portada / la página principal o las páginas de autor. Sin embargo, lo demás debe facilitarnos la información más importante desde el punto de vista del usuario.

1. Introducción y pistas sobre cómo orientarse con el manual National Geographic NG90EQ - Al principio de cada manual se deben encontrar las indicaciones acerca de la manera de usar un manual de instrucciones. Debe contener información sobre dónde encontrar el índice National Geographic NG90EQ, preguntas frecuentes o problemas más comunes – son los apartados más buscados por los usuarios de cada manual de instrucciones.
2. Índice - listados de todos los consejos acerca de National Geographic NG90EQ que encontraremos en el documento
3. Consejos de uso de las funciones básicas del dispositivo National Geographic NG90EQ - que deben facilitarnos los primeros pasos durante el uso de National Geographic NG90EQ
4. Troubleshooting - una secuencia sistematizada de acciones que nos ayudará a diagnosticar los problemas más importantes con National Geographic NG90EQ
5. FAQ - las preguntas frecuentes
6. Datos de contacto Información acerca de cómo encontrar los datos de contacto del fabricante / servicio de National Geographic NG90EQ en cada país si no somos capaces de solucionar el problema por nuestra cuenta.

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