Manuale d’uso / di manutenzione del prodotto 21077 del fabbricante Celestron
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1 Models #21077 / #21016 / #31027 / #31056 / #91510 INSTRUCTION MANUAL • • • • C80-HD Refractor Telescope • • • • C102-HD Refractor Telescope • • • • C114-HD Reflector Telescop.
2 IDENTIFYING PA RTS OF FIGURE 1 1. Star Diagonal (Refractors only ) 13. Latitude Scale 2. Eyepiece 14. Altitude Adjustm ent Screw 3. Fin derscope 15. Tripod Mounti ng Head 4. Fin der Bracket 16. Tripod 5. Focus er 17. Tripod Support Brace 6. T ube Rings 18.
3 C114-HD & C150-HD Figure 1C CG-4 EQ M ount . 8. 9. 10. 11. 12. 13. 14. 15 16. 17. 18. 19. 21. 20. 22. 23. 24. 25..
4 INTRODUCTION Congra tulatio ns on your p urchase and welcome to the Celestron world of as tronomy . If y ou’re a new comer to the h obby of ast ronomy , some of the terms and telescope com ponents des cribed in this instructi on manual may be new to you.
5 azimu th adj ustm ent bo lts. It m ay be necessary to partially u nscrew the bolts to allow th e metal peg to fully extend into the altazimu th housing. 4. Tighten the knob located on the u nderside of the tripod head. This w ill hold the equatorial m ount firm ly to th e tripod head.
6 Before you attach the optical tube, m ake s ure that the declination and right asc ension clam ps are tight. The optic al tube attaches to the m ount via two rings that are m ounted on the tube of the telescope. T o mount the teles cope tube: 1. Loosen the k nobs on the side of the r ings.
7 2. Lock the R.A. clamp to hold the teles cope in place. 3. Release the DEC clamp and position the telescope so that it is parallel to the ground. 4. GRADUALLY release the telescope tube to see wh ich way it “rolls.
8 2. Moun t the finders cope bracket (#4) by m ounting the bracket over t he studs protru ding from the tube and tightening it d own with the supplied nuts. 3. Slide the rubber O- ring over the ey epiece end of the f inderscope and roll it 2/3 of the w ay u p the fin d erscope.
9 Image orienta tion through the finder will be inver ted (i. e., upsid e down and b ackwards left-to-ri ght). T his is normal for any finderscope that is used straight-through. B ecause of this, it may take a f e w minutes to fam iliarize yourself w ith the directional change each screw makes on th e finderscope.
10 The celestial meridian s of longitude are called "coordinates of rig ht ascensi on (R.A.)", and lik e the Earth's long itude meridians they extend from pole to pole. There are 24 major R A. coordinates , evenly spaced aroun d the 360º equator, one every 15º.
11 Dipper will change during the year and throughout the course of the night. W hen the Big Dipper is low in the sky (i.e., near the horizon) it may be diffic ult to locate. Figure 6 Figure 7 To make finding a nd tr acking the stars e asier , a r ough po lar a lignment is r equir ed.
12 5. Using th e altitude and azimu th adjustmen t screws (#14 & #20), move the m ount un til P olaris is in the fie ld of vi ew of the finde rsco pe. Ro ugh adj ustments in a zimuth can be made by moving the tripod. 6. Center Polaris usin g the altitude and azimu th controls.
13 6. Hold the telescope an d release the R.A. clam p. 7. Move the telescope in R.A . until the indicator points to the correct coordinate. 8. Lock the R .A. clamp to prevent the telescope from slipp ing in R.A. The telescope will track in R.A. as long as the m otor dr ive is operating.
14 4. Move the telescope in R.A . using the slow motion control handle un til the three on the vernier scale lin es up w ith one of the mark s on the R.A. setting circle. Remem ber, the R.A. indicator mu st stay betw een the 18 h 50 m mark and the 19 h 00 m mark on the R.
15 The best way to re-collimate is with a good collim ation tool. Celestron offers a New tonian Collim ation Tool (#94183) w ith detailed in structions th at mak e it an easy ch ore.
16 Motor Drive (#93517) - This single-axis u nit runs off D- cell ba tteries. It compen sates for the Earth's rotation keepin g celestial objects centered in the f ield of view . T his m akes observin g much more enjoyable as it elim inates th e constant u sage of the s low m otion controls .
17 CELESTRON TW O YEA R W A RRA NTY A. Ce lestro n war rants this telesco pe to be fre e from defects in m aterials and w orkmans hip for tw o ye ars. Cele stron w ill re pa ir or repl ace such product o r part there of w hich, upon inspection by Cele stron, is f ound to be defe ctive in material s or workma nship .
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 Celestron 21077 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 Celestron 21077 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Celestron 21077 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Celestron 21077 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Celestron 21077, 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 Celestron 21077.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Celestron 21077. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Celestron 21077 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.
