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Orion XTG manuel d'utilisation

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Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Orion XTG. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Orion XTG ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Orion XTG décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Orion XTG devrait contenir:
- informations sur les caractéristiques techniques du dispositif Orion XTG
- nom du fabricant et année de fabrication Orion XTG
- instructions d'utilisation, de réglage et d’entretien de l'équipement Orion XTG
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Orion XTG ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Orion XTG et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Orion en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Orion XTG, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Orion XTG, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Orion XTG. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    INSTRUCTION MANUAL IN 388 Rev . B 11/10 Customer Support (800 ) 676 -1 343 • E-mail: suppor t@telescope.com Corporate Offices (831) 763-7000 • 89 Hangar W ay , W atsonville, CA 95076 © 2010 Orion T elescopes & Binoculars Orion ® SkyQuest ™ XTg Go T o Dobsonians #8948 XT 8g, #8949 XT 1 0g, #8952 XT 1 2g Providing Exceptional Consumer Opt[...]

  • Page 2

    2 Figure 1. Ov er view of SkyQuest XTg Dobsonian (12" sho wn) Navigation knob Altitude motor housing 12.5mm Illuminated Plössl 1.25" eyepiece Eyepiece rack Dobsonian base P olyeth ylene foam dust guard EZ Finder II 28mm DeepView 2" eyepiece 2" Dual-speed Cra yford focuser Optical tube Handle Handle T ube connecting knob GoT o h[...]

  • Page 3

    3 Congratulations on your purchase of an Orion SkyQuest XTg GoT o Dobsonian. It is an observer’ s dream telesco pe, off ering quality diffr action-l imited optics; a stylish, easy-to-setup base outfitted with automate d, computerize d GoT o technology; and a sturdy design. This high-performance astronomical instrument will provide dazzling views [...]

  • Page 4

    4 Box #2: Dobsonian Base (Refer to Figures 3 and 4) Qty . Description 1 Left side panel (with altitude motor pre-installed) 1 Right side panel 1 F ront panel 2 Side braces (XT12g only , not shown) 1 Baseplate assembly (with azim uth motor pre-installed) 6 Base assembly w ood screws (coarse thread, 47mm long) (Quantity 12 f or XT12g) 8 Base assembly[...]

  • Page 5

    5 Assembly 2. Now that you hav e unpacked the bo xes and familiarized yourself with all the par ts in front of you, it is time to begin assembly . Assembly of the Dobsonian Base The base need only be assembled once, unless you disas - semble it f or long-term storage. The assemb ly process should take about half an hour . All necessar y tools are i[...]

  • Page 6

    6 Carefully position the assembled str ucture onto the top 3. baseplate by aligning the holes in the cutouts of the front and side panels to the corresponding threaded metal col- lar inser ts on the top baseplate (Figure 10). Inser t the base assembly machine scre ws and tighten (Figure 11). Once this setup is complete you may fir mly tighten the s[...]

  • Page 7

    7 ing the six Phillips-head scre ws that connect the end r ing to the tube (Figure 12), and then pulling the end r ing off the tube. W arning: Once the rear end ring is removed fr om the tube, the raw edge of the tube itself will be exposed. Be careful not to cut or otherwise hurt y ourself on the tubeís edge . Also, be careful not to pinch your f[...]

  • Page 8

    8 Connecting the Optical T ube to the Dobsonian Base The telescope is now assembled and ready to be placed into the Dobsonian base. The left altitude hub on the optical tube has a dovetail slot that slides into the altitude axis trunnion on the inside of the left side panel (Figure 17). We recommend orienting the trunnion such that the threaded hol[...]

  • Page 9

    9 the dot, which is pur posefully quite dim. The intensity of the dot is adjusted by tur ning the power knob . For best results when stargazing, use the dimmest possible setting that allows you to see the dot without difficulty . T ypically a dimmer set - ting is used under dark skies and a br ighter setting is needed under light-polluted skies or [...]

  • Page 10

    10 The GoT o 3. Hand Controller The SkyQuest XTg features the SynScan AZ hand controller , which provides two diff erent modes of operation: AutoT racking Mode The SkyQuest XTg base incorporates a quad-encoder design that records the position of the telescope relative to the sky . In the AutoT rac king mode, after a quick initial alignment pro - ce[...]

  • Page 11

    11 scope. The left and right directional buttons can also be used to mov e the text cursor when entering data on the hand con- troller . Scroll Buttons The up and down scroll buttons allow you to move up and down within the menu tree or selections displa yed on the hand controller LCD . Dual Purpose buttons These buttons serve tw o distinct pur pos[...]

  • Page 12

    12 must con ver t into degrees and arcminutes. T o do this simply m ultiply the decimal value by 60. If your viewing location is at latitude 36.95 N y ou would enter a latitude of 36°57’ N [.95 x 60 = 57]. Enter the time zone in which you are obser ving in hours 6. (see Appendix A) , using the scroll ke ys and numer ic ke ypad (+ for east of Pr [...]

  • Page 13

    13 you choose will only affect your alignment star selection; you will still be able to choose stars to view across the entire sky once the alignment is complete. After you hav e selected the region of the sky contain - 3. ing the br ightest star, the hand controller will generate a list of the br ightest stars (magnitude 1.5 or br ighter and betwe[...]

  • Page 14

    14 NO TE: When the power is on, you may choose to adjust the telescope electronically by using the hand control or manually by pushing the tube with your hand. The tele - scope will calculate the coor dinates accordingly and dis- play the inf ormation correctly on the hand controller . NO TE: The hand controlís backlit displa y will become dimmer [...]

  • Page 15

    15 object could be a bright named star , a planet, or an object from the Messier , NGC, or IC catalogs, but not a star from the SA O catalog. Find the ref erence object in the hand controller database 2. and command the telescope to “GoT o” the object. Once the telescope has stopped slewing, press ESC to 3. return to any submenu . Press and hol[...]

  • Page 16

    16 applications that need to communicate with the motor control board directly . Setup Functions The Setup functions allo w you to change an y system variable or information regarding location, time, date, and alignment configurations. T o access the Setup Functions, either press the SETUP b utton on the hand controller or browse to SETUP on the Ch[...]

  • Page 17

    17 is pointed. Y ou ma y press the scroll b uttons to s witch between the diff erent coordinate options. Set Slew Limits: Allows you to set slewing limits of the GoT o base’ s altitude axis, to prev ent the optical tube from colliding with the base. When y ou press ENTER in the Set Slew Limits submenu, you may enable or disable the slew angular l[...]

  • Page 18

    18 Using the User Defined Database The GoT o system allows you to save up to 25 objects in the User Defined Database . Y ou can sav e currently unkno wn objects, unidentifiable objects, current comet and/or aster - oid positions, or you can make a custom list of your fa vorite objects to view f or quick access . Saving an object to the database Pre[...]

  • Page 19

    19 The hand controller will display a list containing the clos- 2. est known object in different catalogs and its distance to the exact location where the telescope is pointed. Use the scroll buttons to vie w these objects. Press 3. ESC to e xit this function. Linking with a Computer The SkyQuest XTg can be connected to a computer via the supplied [...]

  • Page 20

    20 When the download is complete, the Fir mware Loader 6 . will displa y “Update Complete”. The firmware in the computerized GoT o hand controller has now been updated. Y ou can clic k on the “HC V ersion” b utton to confirm the new v ersion n umber of the firmware (and possibly the database, but the hardware version will not change with in[...]

  • Page 21

    21 mirror and the tilt of the primary mirror are the two collimation adjustments that will be done most often. If the entire primar y mirror reflection is not visible in the sec - ondar y mirror , as in Figure 25c, you will need to adjust the tilt of the secondar y mirror . This is done by alter nately loosen - ing one of the three secondar y mirro[...]

  • Page 22

    22 Viewing with Eyeglasses If you wear ey eglasses, you may be ab le to keep them on while you observe, if your ey epieces ha ve enough e ye relief to allo w you to see the whole field of view . Y ou can tr y this by looking through the eyepiece first with your glasses on and then with them off, and see if the glasses restrict the view to only a po[...]

  • Page 23

    23 Astr onomical Obser ving 10. The SkyQuest XTg GoT o Dobsonian provides prodigious capability for obser ving the many wonders of the heav ens, from the major planets to deep-space neb ulas and galaxies. In this section we give you some astronomical obser ving tips and briefly summar ize what y ou can expect to see . Selecting an Observing Site Si[...]

  • Page 24

    24 you’v e centered the object in the ey epiece, you can switch to higher magnification (shor ter f ocal length ey epiece), if you wish. This is especially recommended f or small and br ight objects like planets and double stars. The Moon also takes higher magnifications well. Deep sky objects, howe ver , typically look better at medium or low ma[...]

  • Page 25

    25 that y ou find an observing site well awa y from light pollution. T ake plenty of time to let y our ey es adjust to the darkness. As you become more experienced and y our obser ving skills get shar per , you will be able to ferret out more and more subtle details and structure from these fascinating objects . Beginners are often sur prised to di[...]

  • Page 26

    26 SkyQuest XT8g Primar y mirror : 203mm diameter , parabolic, center-marked Focal length: 1200mm Focal r atio: f/5.9 Focuser: Dual-speed Crayf ord (11:1), accepts 2" and 1.25" ey epieces with included adapter Optical tube material: Rolled steel Azimuth bearing: Thr ust needle bearing Altitude bearing: Ball bear ing Eyepieces: 28mm DeepVi[...]

  • Page 27

    27 SkyQuest XT12g Primar y mirror : 305mm diameter , parabolic, center-marked Focal length: 1500mm Focal r atio: f/4.9 Focuser: Dual-speed Crayf ord (11:1), accepts 2" and 1.25" ey epieces Optical tube material: Rolled steel Azimuth bearing: Thr ust needle bearing Altitude bearing: Ball bear ing Eyepieces: 28mm DeepView , 2" barrel, [...]

  • Page 28

    28 Menu T ree[...]

  • Page 29

    29 Appendix A: Time Zones of the World[...]

  • Page 30

    30 Appendix B: RS-232 Connection The SkyQuest XTg Mount is designed to receive commands sent from a computer’s RS-232 COM por t (via the computer int erf ace cab le) . The hand contro ller wi ll comm unica te with th e computer at 9600 bits/sec, no par ity , no stop bit. All angles are communicated with 16 bits and communicated using ASCII he xad[...]

  • Page 31

    31 Star Char ts[...]

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  • Page 37

    One-Y ear Limited W arranty The Orion XTg GoT o Dobsonians are warranted against def ects in materials or workmanship f or a period of one y ear from the date of purchase . This w arranty is f or the benefit of the original retail purchaser only . During this warranty period Or ion T elescopes & Binoculars will repair or replace, at Or ion’ s[...]