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Meade LXD75 instruction manual Instruction Manual, LXD 75 -Series Telescopes

Models: LXD75

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Instruction Manual

Instruction Manual

LXD™ 75 -Series Telescopes

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Meade LXD75 instruction manual Instruction Manual, LXD 75 -Series Telescopes

Contents

LXD 75 -Series Telescopes Instruction ManualPage CONTENTS d BC1 g f e e d BC A B D E F 1&3$Fig. 1d The LXD75-Series Mount insert shows opposite side of Mount Fig. 1e The LXD75-Series Computer Control Panel see 2$ aboveLXD75-SeriesYour Personal Window to the Universe 2$ Computer Control Panel see Fig. 1e Join an Astronomy Club, Attend a Star Party LXD75 TIPSFeatures AUTOSTAR FEATURESI G K J Tour the Cosmos with Just the Push of a ButtonLocal Time and Local Sidereal Time LST Timer and Alarm Status Note Pressing MODE repeatedly while in the “Select Item” level movesPress MODE again to return to the previous menu Autostar to the topmost screen “Select Item Object.”GETTING STARTED How to Assemble Your TelescopeAttach viewfinder bracket Achromatic refractor, Schmidt-Newtonian and A B C D E F Note Remember to turn off the LED when you are not using the reticleBalancing the Telescope Choosing an Eyepiece Aligning the ViewfinderFig. 14b Viewfinder assembly, Newtonian models Too Much Power? Observing by Moving the Telescope ManuallyLXD75 TIPS Slew Speeds Autostar Models Only Activate the Arrow Keys Autostar Models Onlyx sidereal 0.5 arc-min/sec or 0.008/sec Observe the Moon Setting the Polar Home PositionTracking Objects Using Autostars GO TO Capabilities Autostar Models Only Observe a Star using the Automatic Tracking FeatureWhich One’s the Alignment Star? Initializing Autostar Autostar Models Only Moving Through Autostar’s Menus Autostar Models OnlyTraining the Drive Autostar Models Only Go To Saturn Autostar Models Only Easy Alignment Autostar Models OnlyUsing the Guided Tour Autostar Models Only Example Autostar Navigation ExerciseBASIC AUTOSTAR OPERATION A ut o starNavigating Autostar Entering Data into AutostarLook into the Future LXD75 TIPSSelect Item Setup AUTOSTARS MENUSSelect Item Object Select Item EventObject Menu MENUSGlossary Menu Event MenuUtilities Menu Never use a MeadeSetup Menu LXD75 TIPS Observing Considerations c. Custom Allows entry of user-defined tracking rates Note Autostar compensates for daylight savings time, if selected. SeeLXD75 TIPS Surf the WebUSEFUL AUTOSTAR PROCEDURES Adding Observing SitesTo GO TO a user-entered object Using Autostar to Find Objects Not in the LibrariesLandmarks Observing SatellitesTo Add a landmark to the database To Select a landmark from the database To Check on the Available MemoryTo perform a Landmark Survey PHOTOGRAPHY d C BFig. 24 Series 4000 Eyepieces Fig. 25 #140 2x Barlow Lens OPTIONAL ACCESSORIESFig. 26 #905 Variable Polarizer Fig. 27 Series 4000 8 - 24mm Zoom EyepieceFig. 28 Series 4000 Photo-Visual Fig. 29 Series 4000 Nebular Filters Fig. 30 Optional Autostar handbox for EC model users Alignment Collimation of the Schmidt-Newtonian Optical System General MaintenanceMAINTENANCE Fig. 31b The four collimation screws on the diagonal mirror housing b c d e f gAlignment Collimation of the Schmidt-Cassegrain Optical System Fig. 33a Defocused star images. Misaligned 1, 2, Aligned Caution Do not force the three collimationAlignment Collimation of the Newtonian Reflector Optical System Page 6 f/5 Model SN-6AT, SN-6EC Specifications SPECIFICATIONS8 f/4 Model SN-8AT, SN-8EC Specifications 5 f/9.3 Model AR-5AT, AR-5EC Specifications 10 f/4 Model SN-10AT Specifications6 f/8 Model AR-6AT Specifications 6 f/5 Model N-6EC Specifications 8 f/10 Model SC-8AT SpecificationsAutostar Dimensions Autostar SpecificationsMeade Customer Service Inspecting the OpticsAPPENDIX A CELESTIAL COORDINATES Setting CirclesPolar Alignment Locating the Celestial PoleOne-Star Polar Alignment Two-Star Polar AlignmentThe Polar Alignment Viewfinder Method #1 Three-Star Alignment Using AutostarEnhancement Methods APPENDIX B ENHANCING POINTING PRECISIONeyepiece when prompted Method 2 Axis Alignment ProceduresProcedure #2 To correct for elevation misalignment Method 3 Axis Alignment Using Autostar Important Note The Train option overwrites any previous PEC data Method #4 Smart Drive Training Periodic Error CorrectionPEC Update Menu Option PEC Train Menu OptionNORTH AMERICA APPENDIX C LATITUDE CHARTEUROPE SOUTH AMERICAImportant Note APPENDIX D EC HANDBOXLight No Light StatusTo move the telescope using the Electronic Controller See pages 17 and 18 for more informationModes of Operation Slew SpeedsNote The tracking rate can be decreased by up to 65% Note The tracking rate can be increased by up to 65%Tracking Rates Fig. 53 Indicator Light Key for Changing the Polar Mode Changing the Polar ModeNote The tracking rate can be increased by up to 65% Note The tracking rate can be decreased by up to 65%How to Attach the Optical Tube to the Mount APPENDIX E MOUNTING THE MODEL SC-8 SCHMIDT- CASSEGRAIN OPTICAL TUBEAutostar Glossary APPENDIX F BASIC ASTRONOMYObjects in Space The MoonDeep-Sky Objects PlanetsFig. 59 The Pleiades is one of the most beautiful open clusters LXD75 TIPS Further StudyTopics BooksPage 14-7500-01 9/04B MEADE LIMITED WARRANTY