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Instruction Manual

ETX90 Maksutov-Cassegrain Telescopes
with AutoStar #497 Hand Controller

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Содержание EXT90

Страница 1: ...Instruction Manual ETX90 Maksutov Cassegrain Telescopes with AutoStar 497 Hand Controller...

Страница 2: ...taking care not to mix old and new ones or batteries of different types Clean the battery contacts and also those of the device prior to battery installation Ensure the batteries are installed correc...

Страница 3: ...Meade Instruments Corp Patents US 7 277 223 US 7 079 317 US 7 092 156 US 6 304 376 US 6 369 942 US 6 392 799 2011 Meade Instruments Corp CONTENTS Introduction A solid telescope built for a lifetime of...

Страница 4: ...Fork Mounts with standard equipment dual axis drive system and 497 AutoStar Controller The rigid fork mountings of the ETX Maksutov Cassegrain telescope include high torque DC motors on both telescop...

Страница 5: ...the telescope outside into the dark for observing Just follow the simple steps below and you will be up and running before you know it 1 It is best to set up the telescope in twilight or before sunse...

Страница 6: ...ttached to the holder Insert 6 user supplied AA batteries in the holder Refer to the diagram on the holder to orient the batteries properly Replace the holder back into the battery compartment and rep...

Страница 7: ...you can Press 0 to begin Easy Alignment See page 11 for more information Attaching Accessories 8 Be sure the telescope master power switch is in the off position Remove the ETX90 handbox and the coil...

Страница 8: ...idyouinpointingyourtelescope easily It works much like a fighter pilot s heads up display To turn on the Red Dot Finder carefully rotate the power switch until you feel it click on Turning further clo...

Страница 9: ...would be minus 13 degrees West of True North or 347 360 17 347 and you would align your telescope tube along this line Using the AutoStar right arrow slew button to rotate the telescope clockwise unt...

Страница 10: ...country state province and city or zip code are only asked for the first time you turn on the control panel If you wish to change this setting later on use the Site menu See SITE page 32 for more info...

Страница 11: ...epiece field Press ENTER If that area of the sky is obscured by an object you can prompt AutoStar to chose an alternate star by pressing either one of the two Scroll Keys Repeat procedure for the seco...

Страница 12: ...eed to use the Arrow keys to center Saturn precisely in the eyepiece AutoStar then automatically moves the telescope so that it tracks Saturn or whatever other object you may have chosen i e Saturn re...

Страница 13: ...b 9 Horizontal Lock Computer Control Panel ON OFF Switch Auxiliary AUX Port Handbox HBX Port Battery Connector not shown accessible thru battery compartment door on top of base housing LED Base Housin...

Страница 14: ...gure 9 ETX90 Control Panel Figure 8 ETX90 Red Dot Figure 7 ETX90 Bubble Level 2 2 Flip Mirror and Flip Mirror Control Knobs 2 Photo Port 2 Declination Dec Setting Circle on left fork arm 2 Viewfinder...

Страница 15: ...kwise to focus on distant object Meade makes a complete line of accessories to enable you to get the most fun and performance from your ETX90 telescope No matter what you want to accomplish we have th...

Страница 16: ...o place the flip mirror in the down position turn the control until it is horizontal 2 Photo Port Attach any 35mm camera with a removable lens to this port using an optional 64 T Adapter or attach the...

Страница 17: ...Length 1250mm Eyepiece Focal Length 26mm 1250 26 48 1x The magnification is therefore 48 1x Low power eyepieces offer a wider field of view bright high contrast images and long eye relief To find an o...

Страница 18: ...nd spectacular wide field views of the heavens They are made to the same high quality standards as the primary optics in your ETX90 telescope and allow you to get all the performance that the optical...

Страница 19: ...The basic means of photography through any ETX Astro telescope the 64 T Adapter threads to the rear cell of the telescope followed by a T Mount appropriate to the user s brand of 35mm cam era In this...

Страница 20: ...celestial objects to view on any given night of the year Download the latest satellite data and software revisions directly from the Meade website www meade com and share software with other AutoStar...

Страница 21: ...ation Right Ascension and Declination astronomical coordinates Altitude vertical and Azimuth horizontal coordinates Date Site coordinates Local Time and Local Sidereal Time LST Timer and Alarm Status...

Страница 22: ...tion manual If you have a question about an AutoStar operation e g INITIALIZATION ALIGNMENT etc hold down the key and follow the directions that scroll on the second line of the LCD screen When a word...

Страница 23: ...y 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 internal heat produce...

Страница 24: ...vels into AutoStar are traveled each press of the MODE key moves up a level until the top level Select Item is reached Once in the Select Item level press MODE to return to the topmost level Select It...

Страница 25: ...keys to cycle through the list of stars in the constellation from brightest to dimmest Deep Sky is a database of objects outside our Solar System such as nebulae star clusters galaxies and quasars gr...

Страница 26: ...AutoStar 497 MENU TREE Figure 14 The AutoStar 497 Menu Tree AutoStar 497 MENU TREE 26...

Страница 27: ...rocedure Do not move the telescope manually or the alignment will be lost 1 When a desired object is visible in the eyepiece keep pressing MODE until the Select Item Object menu is displayed Press ENT...

Страница 28: ...To use the Timer press ENTER then choose Set or Start Stop Set Enter the time to be counted down in hours minutes and seconds then press ENTER Start Stop Activates the timer set previously Use the Sc...

Страница 29: ...aving is used to enable or disable Daylight Savings time Note Daylight Savings Time may be referred to by different names in various areas of the world Check local time to verify Telescope accesses th...

Страница 30: ...erses the functions of the Left and Right Arrow keys i e the Right key moves the telescope to the left Reverse UP DOWN reverses the functions of the Up and Down Arrow keys i e the Up key moves the tel...

Страница 31: ...are This is useful if one user has downloaded a new version ofAutoStar software from the Meade website www meade com and wants to pass this software along to friends All Everything user defined inform...

Страница 32: ...formation is available on most maps 1 Using the Add option choose a site on the list that is closest to your observing site and press ENTER so that the site is added to your observing sites list Choos...

Страница 33: ...roll Down key once User Object Add displays Press ENTER 5 Name displays on the top line and a blinking cursor on the second line Use the Arrow keys as previously described to enter the name of the obj...

Страница 34: ...ress ENTER 4 Calculating and then Tracking displays If the satellite is going to make a pass Located displays 5 Use the Scroll keys to display data about the pass aos acquisition of signal and los los...

Страница 35: ...are already in the AutoStar database If these commands follow the command AUTO SELECT the object s title displays on line 1 and its description scrolls across line 2 Do not add a description string a...

Страница 36: ...lowed by the name of the desired constellation in quotes For example CONSTELLATION Leo Major NGC xxxx Enter NGC followed by the desired New General Catalog number and AutoStar provides the user with a...

Страница 37: ...ible at this time PICK END AUTO SLEW ON AUTO SLEW OFF With AUTO SLEW ON enabled in the tour AutoStar automatically slews the telescope to objects first before displaying the text description This feat...

Страница 38: ...The object is now stored in memory 9 Landmark Add displays If you wish to add more landmarks repeat steps 5 through 7 To Select a landmark from the database 1 Make sure the telescope is located and al...

Страница 39: ...abase during the Alt Az alignment procedure AutoStar offers two methods described below Two Star Alt Az Alignment Two Star Alignment requires some knowledge of the night sky AutoStar provides a databa...

Страница 40: ...Star then displays a database of stars for the observer to choose from Use the Scroll keys to scroll to a star on the list that you wish to align upon Select a star that you can easily locate in the n...

Страница 41: ...North the telescope is pointed when setting the Home Position Pg 9 Fig 1 Because the other methods use two stars to align upon they are more precise than One Star Alignment Browse This menu allows yo...

Страница 42: ...nding upon the observer s line of sight and the angle of the light may reveal what appear to be scratches dark or Your ETX model telescope is a precision optical instrument designed to yield a lifetim...

Страница 43: ...e the sharpest image To cool down the optics set the bright spots or uneven coatings giving the appearance of poor quality optics These effects are only seen when a high intensity light is transmitted...

Страница 44: ...a and you have a question concerning your ETX90 telescope call the Meade Instruments Customer Service Department at 800 626 3233 Customer Service hours are 7 00 AM to 5 00 PM Pacific Time Monday throu...

Страница 45: ...t Item Setup Setup Align Setup Telescope 3 4 6 ENTER Press the scroll up key once Access the Setup menu Multiple presses Access the Telescope menu 5 ENTER 1 Telescope Telescope Model Telescope Train D...

Страница 46: ...ely a machine made of glass and metal but something far more a window through which the beating heart of the universe might be observed Objects in Space Listed below are some of the many astronomical...

Страница 47: ...turn had ears Saturn s rings are composed of billions of ice particles ranging in size from a speck of dust to the size of a house The major division in Saturn s rings called the Cassini Division is o...

Страница 48: ...r arcseconds 1 3 arcseconds Limiting Visual Stellar Magnitude 11 7 Viewfinder Red Dot Mount Mount Type Dual Fork Altazimuth Power 6 AA Cell Batteries or AC Adapter Battery Life 20 hours Tripod Adjusta...

Страница 49: ...er arcseconds 1 3 arcseconds Limiting Visual Stellar Magnitude 11 7 Viewfinder Red Dot Mount Mount Type Dual Fork Altazimuth Power 6 AA Cell Batteries or AC Adapter Battery Life 20 hours Tripod Adjust...

Страница 50: ...estial sphere So just as an object s position on the Earth s surface can be located by its latitude and longitude celestial objects may also be located using Right Ascension and Declination For exampl...

Страница 51: ...y doesn t slip while you are attaching the telescope 3 Turn the tripod so that the face of the tilt plate points North Figs 20 If you attach the telescope to the tripod indoors be sure to orient the f...

Страница 52: ...AutoStar First choose Polar fromthe Setup Telescope Mount menu The rest of the procedure is almost identical to the Alt Az One Star Alt Az Alignment page 41 except that AutoStar prompts you to point...

Страница 53: ...motor drive be turned on and that a low power eyepiece e g a 26mm eyepiece be employed Then use the following procedure 1 Identify the celestial coordinates R A and Dec of a bright easy to find objec...

Страница 54: ...ity Oklahoma 35 N Ottawa Ontario 45 N Philadelphia Pennsylvania 40 N Phoenix Arizona 33 N Portland Oregon 46 N Salt Lake City Utah 41 N San Antonio Texas 29 N San Diego California 33 N San Francisco C...

Страница 55: ...a factor of 6 3 The secondary mirror light baffle in combination with the anti reflection threads inside the primary mirror baffle produces extremely high contrast astronomical images at the focal pla...

Страница 56: ...4 6 46 4 0 40 4 0 40 44 4 4 44 38 3 8 38 4 4 4 4 4 42 4 2 42 42 36 3 6 36 40 4 0 40 34 3 4 34 38 3 8 38 38 36 3 6 36 36 36 32 32 3232 34 3 4 34 34 30 30 3030 32 3 2 32 32 32 3 2 28 28 2828 1 4 14 14 1...

Страница 57: ...MAGNETIC DECLINATION 57 MAGNETIC DECLINATION WORLD APPENDIX H...

Страница 58: ...t or human health from uncontrolled waste disposal please separate this from other types of wastes and recycle it as required by law Household users should contact either the retailer where they purch...

Страница 59: ...n 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 defec...

Страница 60: ...27 Hubble Irvine California 92618 800 626 3233 www meade com 10 06 11 55 09007 3514 04 15 3514 04 20...

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