Manuel d'utilisation / d'entretien du produit NG70-SM du fabricant Meade
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MEADE INSTRUCTION MANUAL 70mm | 2.8" Altazimuth Refracting T elescope NG-70SM www .meade.com NG-70SM_Manual_2008.qxd 3/20/09 4:18 PM Page 1.
W ARNING! Never use a Meade ® T elescope 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.
1 INTRODUCTION Y our telesc ope is an e xc ell ent beginner’ s instrument, and is designed to observe objects in the sky and also on land. It can be your personal window on the univ erse or allows y ou to intimatel y study the behavior of nesting bir ds on a dist ant hillside.
FIGURE 1 Figur e 1: Meade NG-70SM Altazimuth Refracting T el escope Inset A: Red Dot Viewfinder Assembl y Inset B: Altazimuth or Azimuth Mount Inset C: T ripod Legs and Acces sory T ray (Not visible) 1. Eyepiece 2. Red dot viewfinder (see Inset A) 3. Red dot viewfinder alignment scre ws (see Inset A) 4.
ASSEMBLE YOUR TRIPOD The tripod is the basic support for y our tel escope and is shipped with the tripod head and legs unatt ached. N N o o t t e e : : N N u u m m b b e e r r i i n n b b r r a a c c k k e e t t s s , , e e g g . . , , [ [ 3 3 ] ] , , r r e e f f e e r r t t o o F F i i g g .
ALIGN THE RED DOT VIEWFINDER Perf orm the first part of this pr ocedur e during the daytime and the last step at night. 1. Point the tel escope at an easy-to-find land object such as the top of a tel ephone pole or a dis tant mountain or tower .
differ ent ways. 1. T o move the tel escope to an object, simpl y move the t elesc ope tube in the horizontal and/or vertical plane until it is c entered in the r ed dot viewfinder .
object using the viewfinder rather than loc ating with the eyepiece. Line up the object with the viewfinder's r ed dot. Look thr ough the eyepiece: Once y ou have the object lined up in the viewfinder, look thr ough the optical tube’ s eyepiece.
planetoids and other debris l eft over fr om the birth of our sun. Recentl y astronomer s have f ound lar ge objects in this area and they may incr ease the number of planets in our solar system. The four planets cl osest to the Sun ar e rocky and ar e called the inner planets.
cannot be seen fr om Earth at all—the V oyager spacecraft disc over ed the ring after it passed Jupiter and l ooked back at it. It turns out, only with the sunlight shining thr ough them, can the rings be seen. Uranus and Neptune also have f aint rings.
Y ou will also be able to see some nebulas with your scope. Nebula means cl oud. Most nebulas ar e clouds of gas. The two easiest to see in the Northern Hemispher e are the Orion nebula during the winter and the T riffid nebula during the summer . These ar e lar ge clouds of gas in which new stars ar e being born.
tel escopic field of view . This movement is caused by the r otation of the Earth and makes an object mo ve thr ough the tel escope’ s field of view .
Know your observing site: If pos sible, know the loc ation where you will be observing. Pay attention to hol es in the ground and other obstacl es. Is it a location wher e wild animals, such as skunks, snakes, etc.
USE THE SPECIFICA TIONS TO CAL CULA TE THE MAGNIFICA TION OF YOUR EYEPIECE The power of a tel escope is how much it magnifies objects. Y our 25mm eyepiec e magnifies an object 28 times. Y our 9mm eyepiec e magnifies objects 78 times. But if you obtain other ey epieces, you can cal culate how much magnification they have with your tel escope.
• When absolutely neces sary, dust on the fr ont lens should be r emoved with very gentle s trok es of a camel hair brush or blown off with an ear syringe (av ailable at most pharmacies). • Fingerprints and or ganic materials on the fr ont lens may be r emoved with a solution of 3 parts distill ed water to 1 part isopropyl alc ohol.
most cases. Additional Eyepieces (1.25" barr el diameter): F or higher or lower magnifications with the tel escopes that acc ommodate 1.25" ey epieces, Meade Series 4000 Super Plössl ey epieces, availabl e in a wide variety of sizes, pro vide a high le vel of image resolution and c olor corr ection at an economical pric e.
which cannot be disclaimed ar e hereby limited to a term of one y ear from the date of original r etail purchase. This warranty gives y ou specific rights. Y ou may have other rights which vary fr om state to state. Meade r eserves the right to change product specifications or to disc ontinue products without notice.
OBSERVER: OBJEC T NAME: DA TE & TIME OBSERVED: CONSTELLA TION: EYEPIECE SIZE: SEEING CONDITIONS: EXCELLENT GOOD POOR NOTES: DRAWING OF IMAGE OBSERV A TION LOG NG-70SM_Manual_2008.
OBSERVER: OBJEC T NAME: DA TE & TIME OBSERVED: CONSTELLA TION: EYEPIECE SIZE: SEEING CONDITIONS: EXCELLENT GOOD POOR NOTES: DRAWING OF IMAGE OBSERV A TION LOG NG-70SM_Manual_2008.
OBSERVER: OBJEC T NAME: DA TE & TIME OBSERVED: CONSTELLA TION: EYEPIECE SIZE: SEEING CONDITIONS: EXCELLENT GOOD POOR NOTES: DRAWING OF IMAGE OBSERV A TION LOG NG-70SM_Manual_2008.
OBSERVER: OBJEC T NAME: DA TE & TIME OBSERVED: CONSTELLA TION: EYEPIECE SIZE: SEEING CONDITIONS: EXCELLENT GOOD POOR NOTES: DRAWING OF IMAGE OBSERV A TION LOG NG-70SM_Manual_2008.
OBSERVER: OBJEC T NAME: DA TE & TIME OBSERVED: CONSTELLA TION: EYEPIECE SIZE: SEEING CONDITIONS: EXCELLENT GOOD POOR NOTES: DRAWING OF IMAGE OBSERV A TION LOG NG-70SM_Manual_2008.
NG-70SM_Manual_2008.qxd 3/20/09 4:19 PM Page 23.
www .meade.com Meade Instr uments Corporation 27 Hubble, Ir vine, Califor nia 1-800 626-3233 50-08034 NG-70SM_Manual_2008.qxd 3/20/09 4:19 PM Page 24.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Meade NG70-SM c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Meade NG70-SM - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Meade NG70-SM, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Meade NG70-SM va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Meade NG70-SM, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Meade NG70-SM.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Meade NG70-SM. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Meade NG70-SM ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
