Instruction ManualETX®Premier Edition Telescope SeriesAutoStar®— LNT™— SmartFinder™™
10B 2-Line LCD Display: This screen displays AutoStar's menus and informationabout the telescope.• Top line:Lists the primary menu.• Bottom line:
11Also, use the Arrow keys to scroll through numbers 0 through 9 and the alphabet.The Down Arrow key begins with the letter "A;" the Up Arro
12GETTING STARTEDFig. 5: Battery installation.Fig. 6: Spread tripod legs.Fig. 7: Slide spreader on rod.Parts ListingGetting the telescope ready for fi
134. Place the 26mm eyepiece (12, Fig. 15) into the eyepiece holder on the telescope and tighten the attachment thumbscrew (13, Fig. 15) to a "fi
14Fig. 20a & 20b: Jupiter: Examplesof the right amount of magnification and too muchmagnification.Fig. 19: Meade SuperPlössl eyepieces.Too Much Po
15OBSERVINGObserving by Moving the Telescope ManuallyIf you wish to observe a distant land object, such as a mountain top or a bird, you canobserve by
16Slew SpeedsAutoStar has nine slew speeds that move the optical tube at rates that are directly proportional to the sidereal rate and have been calcu
17Initializing AutoStar for the First TimeThis section describes how to initialize AutoStar. Perform this procedure the first timeyou use AutoStar or
18Which One’s the Alignment Star?If you’re not familiar with objects in the night sky, how can you be sure if the starin your eyepiece is really the a
195.Use the Arrow keys (5,Fig. 2) to locate a bright star in the night sky. Use thesmartfinder (2, Fig. 1a) to help line up on the star. You may choos
AUTOSTAR OPERATIONObjectEvent Guided ToursGlossaryUtilitiesSetup20DateTimeDaylight SavingTelescopeTargetsetc. Setup AlignFig. 27b: Menu
21Tip:When multiple choicesare available within amenu option, the currentoption is usually displayed first and highlighted by a rightpointing arrow (&
22 Tonight's Best How Far is Far A Star's Life Downloaded Tours User-created ToursSolar System MercuryEtc. Moon AsteroidsCometsConstellation
23Want to learn more aboutObserving Satellites? Seepage 32.Use the OBJECT menuto select an object from thedatabase.When your telescope isaligned and y
24WARNING!Never useyour ETXTelescope tolook at the Sun! Lookingat or near the Sun willcause instant and irreversible damage toyour eye. Eye damage iso
25Tip:The Contrast Adjustmentfeature is usually onlyrequired in very coldweather.If you adjust the contrastso that you can no longerread the display,
26Sleep Scope is a power saving option that shuts down AutoStar and the telescopewithout forgetting its alignment. With "Sleep Scope" select
27J Tracking Rate: Changes the speed at which the telescope tracks targets in thesky.a.Sidereal: The default setting for AutoStar; sidereal rate is th
28J Add:Scroll through the list of Countries/States. Press ENTER when the site youwish to add displays.Then choose the desired city in the same manner
29Before trying out the examples in this section, familiarize yourself with the basic operations of AutoStar described earlier in this manual. The fol
Quick-Start Guide ... 4Telescope Features ...
30Using AutoStar to Find Objects Not in the DatabaseIn this procedure, you will enter coordinates of celestial objects that do not appear inany of the
313.Select a satellite from list and press ENTER.4. "Calculating..." and then "Tracking..." displays. If the satellite is going t
32Interactive Mode: Tour name appears on the first line of the AutoStar display and thename of the object displays on line 2. To display descriptive t
33The following commands specify objects that are already in the AutoStar database. Ifthese commands follow the command AUTO SELECT, the object's
34STAR "name"Enter STAR followed by the name of the desired star in quotes. For example: STAR"Vega"LANDMARK az alt "title&quo
35To Add a landmark to the database:In this procedure, you will store the location of terrestrial landmarks in AutoStar'smemory.1. Set the telesc
36displays information about an object in its database that is closest to the one youqueried about.IMPORTANT NOTE: For this function to operate proper
37One-Star Alt/Az Alignment One-Star Alignment requires some knowledge of the night sky. AutoStar provides adatabase of bright stars. One-Star Alignme
382. Look through the reticle. Use the Arrow keys to keep the star centered in the reticlecross-hairs. AutoStar displays a count of the 150 positions
39Photography with a 35mm Camera Photography through your ETX model requires the addition of the optional #64 T-Adapter (see OPTIONAL ACCESSORIES, pag
QUICK-START GUIDE2Make sure that the computer control panel power switch(F) is in the OFF position. Remove the Autostar®handboxand the coiled cord fro
40Photography through a long lens, such as the ETX, requires special technique forgood results.The photographer should expect to use several rolls fil
41• If the camera is not directly coupled to the eyepiece, keep it as close to the eyepiece as possible and center the image to be photographed to min
42OPTIONAL ACCESSORIESA wide assortment of professional Meade accessories are available for the for ETXtelescopes. Meade accessories greatly extend ma
43#932 45° Erecting Prism:All ETX models include an internal optically-flat mirror toreflect light to the telescope’s 90° astronomical observing posit
44MAINTENANCEYour ETX model telescope is a precision optical instrument designed to yield a lifetime of rewarding observations. Given the care and res
45Storage and TransportWhen the telescope is not in use, store it in a cool, dry place. Do not expose the instru-ment to excessive heat or moisture. I
46Object appears in the SmartFinder but not in the eyepiece:• The SmartFinder is not properly aligned with the telescope (see ALIGNINGSMARTFINDER,page
47SPECIFICATIONSSpecifications:ETX-90PE Astro TelescopeOptical design . . . . . . . . . . . . . . . . . . . . Maksutov-CassegrainPrimary mirror diamet
48SmartFinder. . . . . . . . . . . Red dot projected onto finder’s lensLNT Module . . . . . . High accuracy, temperature-compensated. . . . . . . . .
49AutoStar SpecificationsProcessor ...68HC11, 8MHzFlash Memory ...
5AutoStar then displays: “Location Option: 1-Zipcode 2-City”.This option allows you to choose how you wish to enter thelocation of your observing site
50Equatorial AlignmentIn equatorial (or "polar") Alignment, the telescope is oriented so that the horizontal and vertical axes of the telesc
51However, owners who wish to perform astrophotography or use the Meade LPI or DeepSky Imager (see PHOTOGRAPHY WITH MEADE’S AUTOSTAR SUITE, page 41, f
525. Press ENTER repeatedly until “Setup: Align” displays.6. Press the Scroll Down key repeatedly until "Setup:Telescope" displays. Press EN
53Setting CirclesThe ETX models are equipped with R.A. and Dec. setting circles (13 and 16, Fig. 1a) toaid in locating faint celestial objects when th
54APPENDIX B: LATITUDE CHARTLatitude Chart for Major Cities of the World To aid in the polar alignment procedure (see page 51), latitudes of major cit
55Train the telescope motors using AutoStar. Perform this procedure if you are experiencing any pointing accuracy problems. Fig.53 depicts the complet
APPENDIX D:CHANGING THELNT MODULE BATTERY56The LNT Module uses a lithium coin CR2023 battery that will last about 5 years andis installed with the ori
57APPENDIX E:BASICASTRONOMYFig. 57: The Moon. Notethe deep shadows in thecraters.In the early 17th century Italian Scientist Galileo, using a telescop
58Fig. 60: The Pleiades isone of the most beautifulopen clusters.Tip:Enter a date in the Datemenu and you can determine if a planet(s)—or any other ob
TELESCOPE FEATURES61261641573Features of the ETX-90PE, ETX-105PE and ETX-125PE are identical,with the exception of the size ofoptical tube.81418Fig. 1
14-1010-29 10/04 MEADE LIMITED WARRANTYEvery Meade telescope, spotting scope and telescope accessory is warranted by Meade Instruments Corporation (“M
MEADE ETX: YOUR PERSONALWINDOW TO THE UNIVERSEThe Meade Premier Edition ETX-90PE, ETX-105PE and the ETX-125PE areextremely versatile, high-resolution
8j Horizontal (R.A.) Lock:Controls the manual horizontal rotation of the telescope.Loosen the horizontal lock counterclockwise to unlock the telescope
9Fig. 4: The AutoStar Handbox.AUTOSTAR FEATURES1479J8356LKWant to learn more aboutdownloading the latestupdates of AutoStarsoftware from theMeade webs
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