Meade DS-2000 Series Скачать руководство пользователя | Manualshive

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Looking at or near the

Sun

will cause

irreversable

damage to your eye. Do not point this telescope at or near the

Sun. Do not look through the telescope as it is moving.

SPECIFICATIONS

DS-2090MAK

Optical design . . . . . . . . . . . . . . . . . . . . Maksutov-Cassegrain
Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90mm (3.5”)
Focal length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250mm
Focal ratio (photographic speed). . . . . . . . . . . . . . . . . . . f/13.8
Near focus (approx) . . . . . . . . . . . . . . . . . . . . . . 11.5 ft (3.5m)
Resolving power . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 arc secs
Multi-coated optics . . . . . . . . . . . . . . . . . . . . . . . . . . . standard
Limiting visual stellar magnitude (approx.) . . . . . . . . . . . . 11.7
Image scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.16°/inch
Maximum practical visual power with supplied eyepieces
SP26mm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48X
SP9.7mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129X
Optical tube dimensions

(dia. x length) . . . . . . . . . . 12.0cm x 35.6cm (4.75” x 14”)

Viewfinder. . . . . . . . . . Red dot finder or right-angle 8 x 21mm
Telescope mounting . . . . . . . . . . Single-arm, motorized Alt-Az
Battery (user-supplied) . . . . . . . . . . . . . . . . . . . . . . . . . 8 x AA

Accessories . . . . . . Bubble level/compass, Instruction Manual

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Содержание DS-2000 Series

Страница 1: ...Instruction Manual DS 2000 Series Altazimuth Maksutov Cassegrain Telescopes MEADE COM...

Страница 2: ...on of the image In the refracting telescope light is collected by a 2 element objective lens and brought to a focus at F In contrast the reflecting telescope uses a concave mirror for this purpose F E...

Страница 3: ...ing Satellites 36 Appendix D Training the Drive 37 Appendix E Battery Replacement 38 Appendix F How to Manually Set the Time and Date 38 Appendix G Electronic Controller DS 2000EC Users Only 39 Option...

Страница 4: ...the optical tube Place the base of the optical tube A over the slot on the mounting plate B Thread the two lock knobs C through the slot on the mounting plate and into the screw holes in the base of t...

Страница 5: ...ry holder back into the battery compartment Replace the cover 7 Connect Autostar Be certain that the power switch J on the computer control panel is in the OFF position Plug the coil cord of the Autos...

Страница 6: ...e Lock Knob 17 Battery Compartment 18 Azimuth Setting Circle 19 Tripod Legs 20 Inner Support Struts 21 Mounting Lock Knobs 22 Accessory Tray 23 Accessory Tray Attachment Bolts 24 Tripod Legs Locks 25...

Страница 7: ...the manual vertical movement of the telescope Turning the Altitude lock counterclockwise unlocks the telescope enabling it to be freely tilted by hand on the vertical axis Turning the Altitude lock c...

Страница 8: ...11 for more information Note It is not necessary to remove the tray each time you collapse the tripod The tray is designed to be collapsed with the legs 2 Tripod Legs Locks 3 Lift the lock up to loos...

Страница 9: ...Sync feature is accessed by mistake press MODE to return to the previous screen See HIGH PRECISION page 27 for more details about this feature MODE Key Returns to the previous menu or level The MODE...

Страница 10: ...Allows you to scroll through menu options The menu is displayed on the top line of the screen and the options within the menu are displayed one at a time on the second line Press and hold a Scroll key...

Страница 11: ...firm feel only do not overtighten While observing you may wish to loosen this knob and rotate the mounting arm assembly and optical tube on the horizontal axis 5 Attach the Mounting Plate If your tel...

Страница 12: ...e Red Dot Viewfinder Because the main telescope has a fairly narrow field of view locating objects directly in the main telescope can sometimes be difficult The red dot viewfinder Fig 13 projects a sm...

Страница 13: ...er called a Barlow lens Consisting of a lens mounted in a 4 long 10cm tube the Barlow doubles or triples the power obtained when an eyepiece is used alone In the example above a 25mm eyepiece results...

Страница 14: ...If the image is fuzzy or ill defined reduce to a lower power eyepiece where the heat waves do not have such an effect on image quality Observing in early morning hours before the ground has built up i...

Страница 15: ...he view No shadows are seen during a full Moon causing the overly bright surface to appear flat and rather uninteresting Consider the use of a neutral density Moon filter when observing the Moon Not o...

Страница 16: ...ge 27 1 Tighten Locks Tighten the Altitude lock 10 Fig 1 and tripod base lock knob 26 Fig 1 2 Plug in Autostar Make sure the telescope power switch is in the OFF position Plug Autostar into the HBX po...

Страница 17: ...e Autostar s Arrow keys to center the star in the eyepiece 10 To Start Tracking Once the star is centered press ENTER to select Astronomical The telescope s tracking motors then engage It may take the...

Страница 18: ...sed on the date time and location entered The alignment stars may change from night to night All that is required is for the observer to center the selected stars in the eyepiece when prompted NOTE Th...

Страница 19: ...rocedure as described below remains the same just choose a different object in step 3 1 After the telescope is aligned Select Item Object displays Press ENTER 2 Object Solar System displays Press ENTE...

Страница 20: ...level press MODE to return to the topmost level Select Item Object Autostar Navigation Exercise To demonstrate how the Autostar menu structure works the following exercise calculates Sunset time so a...

Страница 21: ...mbers and Text into Autostar To enter numbers and text Use the Up and Down Arrow keys to scroll through numbers 0 9 and the alphabet The Down Arrow key begins with the letter A the Up Arrow key begins...

Страница 22: ...ing objects such as the International Space Station the Hubble Space Telescope Global Positioning System GPS satellites and geosynchronous orbit satellites User Objects allows the user to define and s...

Страница 23: ...g a new date into the Setup Date menu See DATE page 25 Moonrise and Moonset calculates the time that the Moon rises or sets on the current date Find rise and set times for other dates by entering a ne...

Страница 24: ...N and OFF When ON is dis played press ENTER to activate the alarm When the alarm time arrives Autostar beeps Press ENTER to deacti vate the alarm Eyepiece Calc calculates information about an eyepiece...

Страница 25: ...that date See EVENT MENU page 23 Time changes the time entered into Autostar Setting the correct time is critical for Autostar to properly calculate locations and events Time may be set to 24 hour mo...

Страница 26: ...uilding is obstructing the telescope For example you might begin to track the satellite at 15 altitude instead of 5 See OBSERVING SATELLITES page 36 for more information about satellites Calibrate Mot...

Страница 27: ...s moving DS 2000 TIPS Surf the Web One of the most exciting resources for astrono my is the Internet The Internet is full of web sites with new images discoveries and the lat est astronomical informat...

Страница 28: ...ecting Prism The 90 diagonal provided with DS 2000 Series refractors results in upright but reversed viewing of land subjects The 928 45 Erecting Prism 1 25 orients the image correctly in terrestrial...

Страница 29: ...nd electronic circuitry Collimation DS 2000 refracting telescopes are optically aligned collimated at the factory prior to shipment and it is never necessary to re collimate the optics of these models...

Страница 30: ...cause irreversable damage to your eye Do not point this telescope at or near the Sun Do not look through the telescope as it is moving 2 1 3 3 2 1 2 3 4 5 1 2 1 2 3 2 1 2 3 4 3 6 2 5 1 4 Fig 23 Fig 24...

Страница 31: ...irror tilt screws are located behind the primary mirror at the lower end of the main tube See Fig 25 Before adjusting the primary mirror tilt screws first unscrew by several turns use either a hex wre...

Страница 32: ...c speed f 13 8 Near focus approx 11 5 ft 3 5m Resolving power 1 3 arc secs Multi coated optics standard Limiting visual stellar magnitude approx 11 7 Image scale 1 16 inch Maximum practical visual pow...

Страница 33: ...r or right angle 8 x 21mm Telescope mounting Single arm motorized Alt Az Battery user supplied 8 x AA Accessories Bubble level compass Instruction Manual 494 Autostar Processor 68HC11 8MHz Flash Memor...

Страница 34: ...nd its Declination 50 Right Ascension R A This celestial version of longitude is measured in units of hours hr minutes min and seconds sec on a 24 hour clock similar to how Earth s time zones are dete...

Страница 35: ...row keys to enter the digits for the Declination coordinate of your object If necessary use the Scroll Keys to change to When you are finished press ENTER 8 Autostar then prompts you to enter the size...

Страница 36: ...g tree or hill press ENTER and Autostar starts to move the telescope along the expected satellite track When the track clears the obstruction press ENTER again to pause the telescope then continue wit...

Страница 37: ...gives only the briefest introduction to astron omy If you are interested in pursuing further studies a few topics are suggested below that are worth reading up on Try looking up some of these topics i...

Страница 38: ...w key to move to the next position 8 JAN is now highlighted Press the Scroll Up key until MAR displays Press the Right Arrow key to move to the next position 9 2 is now highlighted The date display no...

Страница 39: ...y to change the speed at which the telescope slews to an object Each press of the SPEED key changes the slew speed to the next slower setting If the controller is already on the slowest slew speed lig...

Страница 40: ...y on the Electronic Controller and the telescope slews momentarily in the vertical and horizontal directions to test the motors 8 When the test is complete light 1 remains on lights 2 3 and 4 turn off...

Страница 41: ...r s Glossary feature The Glossary menu provides an alpha betical listing of definitions and descriptions of common astronomical terms Access directly through the Glossary menu or through hypertext wor...

Страница 42: ...her side Fig 36 In 1610 Galileo the first person to observe Saturn through a telescope did not understand that what he was seeing were rings Instead he believed that Saturn had ears Saturn s rings are...

Страница 43: ......

Страница 44: ...Goods Authorization RGA number must be obtained from Meade by writing or calling 800 626 3233 Each returned part or product must include a written statement detailing the nature of the claimed defect...

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