Manuale d’uso / di manutenzione del prodotto 9025 del fabbricante Orion
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2 Figure 1. Skywatcher 90 EQ P ar ts Diagram T ube ring mounting plate Dec. lock knob Dec. setting circle R.A. lock knob R.A. slow-motion control Counterweight loc king thumbscrew Counterweight Counte.
3 1. Par ts List Qty . Description 1 Optical tube assembly 1 German-type equator ial mount 2 Slow-motion control cab les 1 Counterweight 1 Counterweight shaft 3 T r ipod legs 1 Accessor y tra y with m.
4 finder scope or ey epieces with your fingers. The optical sur- f aces hav e delicate coatings on them that can easily be damaged if touched inappropriately . NEVER remov e any lens assembly from its housing f or any reason, or the product war- ranty and return policy will be void.
5 rotate freely about the R.A. axis. Rotate it until the coun- terweight shaft is parallel to the g round (i.e., horizontal). 2. Now loosen the counterweight loc king thumbscrew and slide the weight along the shaft until it e xactly counterbal- ances the telescope.
6 scale is set at the latitude of your observing site. If you don’t know y our latitude, consult a geogr aphical atlas to find it. F or example , if your latitude is 35° Nor th, set the pointer to +35.
7 Figure 1 the telescope is pointed nor th as it w ould be during polar alignment. The counterweight shaft is oriented down- ward. But it will not look like that when the telescope is pointed in other directions. Let’ s say y ou want to vie w an object that is directly ov erhead, at the zenith.
8 F or e xample , the Skywatcher 90 EQ, which has a f ocal length of 910mm, used in combination with a 25mm ey epiece , yields a power of 910 ÷ 25 = 36x.
9 published monthly in Astronomy , Sky & T elescope , or other astronomy magazines to locate them. V enus, Mars, J upiter , and Saturn are the br ightest objects in the sky after the Sun and the Moon. Not all f our of these planets are normally visi- ble at an y one time.
10 the planet to be photographed and the ISO of the film being used. “Piggybacking” Photography The Moon and planets are interesting targets f or the budding astrophotographer , but what’ s next? Literally thousands of deep-sky objects can be captured on film with a type of astrophotograph y called “piggybac king.
11 ing optical surf aces with your fingers , as skin oil may etch optical coatings. T o remove fingerpr ints or smudges from a lens, use photo- graphic-type lens cleaning fluid and lint-free optical lens cleaning tissue.
12 Figure 2c. Prepar ing the telescope to be balanced on the Dec. axis by first releasing the Dec. lock knob . Figure 2d. Balancing the telescope with respect to the Dec. axis. As shown here , the telescope is out of balance (tilting). Figure 2e. T elescope is no w balanced on the Dec.
13 RIGHT ASCENSION AXIS Declination (Dec.) slow motion control Latitude adjustment t-bolt Azimuth adjustment knob R.A. lock knob Declination (Dec.) setting circle Right ascension (R.A.) setting circle Right ascension (R.A.) slow motion control Latitude locking t-bolt Latitude scale Figure 3.
14 Figure 5a. T elescope pointing south. Note that in all these illustrations, the mount and tripod remain stationary; only the R.A. and Dec. axes are mo ved. Figure 5b . T elescope pointing north. Figure 5c. T elescope pointing east. Figure 5d. T elescope pointing west.
15 One-Y ear Limited W arranty This Orion Skywatcher 90 EQ is warr anted against defects in materials or workmanship f or a period of one year from the date of purchase.
During recent production of our Skywatcher 90 EQ (#9024), Explorer 90 AZ (#9025), and Shor tT ube 80 (#9086) tele- scopes, we de veloped an improv ed design for the finder scope brac ket. The new design mak es aiming the finder scope much easier , since it requires adjustment to only two alignment screws instead of three .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Orion 9025 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Orion 9025 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Orion 9025 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Orion 9025 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Orion 9025, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Orion 9025.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Orion 9025. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Orion 9025 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
