Orion #10134 XT8g manuel d'utilisation

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Un bon manuel d’utilisation

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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.

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Tout d'abord, le manuel d’utilisation Orion #10134 XT8g devrait contenir:
- informations sur les caractéristiques techniques du dispositif Orion #10134 XT8g
- nom du fabricant et année de fabrication Orion #10134 XT8g
- instructions d'utilisation, de réglage et d’entretien de l'équipement Orion #10134 XT8g
- 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 #10134 XT8g 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 #10134 XT8g 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 #10134 XT8g, 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 #10134 XT8g, 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 #10134 XT8g. 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 . C 06/12 Customer Support (800 ) 676 -1 343 • E-mail: support@telescope.com Corporate Offices (831) 763-7000 • 89 Hangar W ay , Watsonville, CA 95076 © 2010-2012 Orion T elescopes & Binoculars Orion ® SkyQuest ™ XTg Go T o Dobsonians #10134 XT 8g, #10135 XT 1 0g, #10136 XT 1 2g Providing Exceptional Consum[...]

  • Page 2

    2 Figure 1. Ov er view of SkyQuest XTg Dobsonian (12" shown) Navigation knob Altitude motor housing 12.5mm Illuminated Plössl 1.25" ey epiece Eyepiece rac k Dobsonian base P olyeth ylene foam dust guard EZ Finder II 28mm DeepView 2" ey epiece 2" Dual-speed Cra yford f ocuser Optical tube Handle Handle T ube connecting knob GoT [...]

  • Page 3

    3 Congratulations on y our purchase of an Orion SkyQuest XTg GoT o Dobsonian. It is an obser ver’ s dream telescope, off ering quality diffraction-limited optics; a stylish, easy-to-setup base outfitted with automated, computerized Go T o technology; and a sturdy design. This high-performance astronomical instrument will provide dazzling views of[...]

  • 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 2. Assembly Now that y ou have unpac ked the bo xes and f amiliarized yourself with all the parts in front of you, it is time to begin assembly . Assembly of the Dobsonian Base The base need only be assembled once, unless y ou disas - semble it f or long-term storage. The assembly process should take about half an hour . All necessar y tools are [...]

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    6 3 . Carefully position the assembled structure onto the top 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 ma y firmly tighten the s[...]

  • Page 7

    7 ing the six Phillips-head screws that connect the end ring to the tube (Figure 12), and then pulling the end ring off the tube. W arning: Once the rear end ring is remo ved from the tube, the raw edge of the tube itself will be exposed. Be careful not to cut or otherwise hurt yourself on the tubeís edge. Also, be careful not to pinc h your finge[...]

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    8 Connecting the Optical T ube to the Dobsonian Base The telescope is now assemb led and ready to be placed into the Dobsonian base. The left altitude hub on the optical tube has a dov etail slot that slides into the altitude axis tr unnion on the inside of the left side panel (Figure 17). W e recommend orienting the tr unnion such that the threade[...]

  • Page 9

    9 the dot, which is pur posefully quite dim. The intensity of the dot is adjusted by turning the power knob . F or best results when stargazing, use the dimmest possible setting that allo ws 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 3. The GoT o Hand Controller The SkyQuest XTg f eatures the SynScan AZ hand controller, which provides two diff erent modes of operation: AutoT racking Mode The SkyQuest XTg base incor porates a quad-encoder design that records the position of the telescope relative to the sky . In the A utoT rac king mode, after a quick initial alignment pro - [...]

  • Page 11

    11 scope. The left and right directional b uttons 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 b uttons allow you to mo ve up and down within the menu tree or selections displa yed on the hand controller LCD . Dual Purpose buttons These buttons serve two distinct purpo[...]

  • Page 12

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

  • Page 13

    13 you choose will only aff ect your alignment star selection; you will still be ab le to choose stars to view across the entire sky once the alignment is complete. 3 . After you ha ve selected the region of the sky contain - ing the brightest star , the hand controller will generate a list of the brightest stars (magnitude 1.5 or br ighter and bet[...]

  • Page 14

    14 NO TE: When the power is on, y ou may choose to adjust the telescope electronicall y by using the hand control or manually b y pushing the tube with yo ur hand. The tele - scope will calculate the coordinates accor dingly and dis- play the inf ormation correctly on the hand controller . NO TE: The hand controlís bac klit display will become dim[...]

  • 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. 2 . Find the ref erence object in the hand controller database and command the telescope to “GoT o” the object. 3 . Once the telescope has stopped slewing, press ESC to return to any submenu . 4 . Press [...]

  • Page 16

    16 applications that need to communicate with the motor control board directly . Setup Functions The Setup functions allow y ou to change any system variable or inf or mation regarding location, time, date, and alignment configurations. T o access the Setup Functions, either press the SETUP button on the hand controller or browse to SETUP on the Ch[...]

  • Page 17

    17 is pointed. Y ou may press the scroll buttons to s witch between the diff erent coordinate options. Set Slew Limits: Allows y ou to set slewing limits of the GoT o base’ s altitude axis, to pre vent the optical tube from colliding with the base. When y ou press ENTER in the Set Slew Limits submenu, y ou may enable or disab le the slew angular [...]

  • Page 18

    18 Using the User Defined Database The GoT o system allows you to sa ve up to 25 objects in the User Defined Database. Y ou can sav e currently unknown objects, unidentifiab le objects, current comet and/or aster - oid positions, or y ou can make a custom list of your f av orite objects to view f or quick access . Saving an object to the database 1[...]

  • Page 19

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

  • Page 20

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

  • Page 21

    21 mirror and the tilt of the primar y 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 alternately loosen - ing one of the three secondar y mirro[...]

  • Page 22

    22 Viewing with Eyeglasses If you w ear eyeglasses , you ma y be able to keep them on while you observe , if your ey epieces hav e enough eye relief to allo w you to see the whole field of vie w . Y ou can tr y this by looking through the ey epiece first with your glasses on and then with them off , and see if the glasses restr ict the view to only[...]

  • Page 23

    23 10. Astronomical Obser ving The SkyQuest XTg GoT o Dobsonian provides prodigious capability f or obser ving the many wonders of the heav ens, from the major planets to deep-space nebulas and galaxies . In this section we giv e you some astronomical obser ving tips and briefly summar ize what y ou can expect to see . Selecting an Observing Site S[...]

  • Page 24

    24 you’v e centered the object in the ey epiece, you can s witch to higher magnification (shor ter focal length e yepiece), if you wish. This is especially recommended f or small and br ight objects like planets and doub le stars. The Moon also takes higher magnifications well. Deep sky objects, ho wev er , typically look better at medium or low [...]

  • Page 25

    25 that you find an observing site well awa y from light pollution. T ake plenty of time to let your e yes adjust to the darkness. As you become more e xperienced and your obser ving skills get shar per , you will be ab le to ferret out more and more subtle details and structure from these fascinating objects . Beginners are often sur prised to dis[...]

  • 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 W orld[...]

  • 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 interf ace cable). The hand controller will communicate with the computer at 9600 bits/sec, no parity , no stop bit. All angles are communicated with 16 bits and communicated using ASCII he xadecimal. [...]

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    31 Star Char ts[...]

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