Meade-instruments LX850 Manuel d'utilisateur

Instruction ManualLX850™ German Equatorial Mount Telescope SystemWith StarLock™

 Telescope Control Panel:A. ON/OFF SwitchB. 12v DC Power ConnectorC. Electronic Focus PortD. Illuminated Reticle Eyepiece Power PortE. 12v DC OutputF

b Viewnder: 8x50, wide-eld sighting scope with crosshairs that enables easy centering of objects in the telescope eyepiece.c Viewnder Colli

StarLock System.2$b StarLock Wideeld OTA: Used to orient the LX850 in relation to the sky.2%a StarLock Connector Panel: Starlock cable connec

You may want to perform the assembly of the LX850 in the light of day to become familiar with the parts and operation before performing observations o

Loosen the two (2) leg lock-knobs on each tripod leg. Adjust the height of the tripod to the desired height and with the tripod head approximately l

latitude scale has markings and a range that start at zero (0) and ends at 70. Turn the Attitude Adjustment Knob until the indicator points to your co

Removing the SaddleYour telescope mount shipped from the factory with the OTA mount saddle attached. You will have to remove it to gain access to the

connector is now ready to be inserted into the RS232 receptacle on the control panel labeled “StarLock.” At this point you will need to reattach the O

dovetail, you may need to relocate both sides of the dovetail receiver rails (Page 9, Fig. 5).• OTAs with a Losmandy®-Style Dovetail: All Meade LX850

OTA. To install StarLock, loosen the two (2) retaining nuts at the side of dovetail adapter, slip in the StarLock assembly, position Starlock so that

To balance the telescope, unlock the Right Ascension or RA clutches (3-Places, Page 14, Fig. 10). When this axis is unlocked, the telescope pivot

21Getting StartedGetting StartedFocusing and Aligning the Viewnder1 . If you have not already done so, insert the Meade eyepiece into the diagonal m

precise focus use the smaller ne focus knob for nal focus. If you have a 2” eyepiece, remove the 1.25” eyepiece adapter from the diagonal by looseni

You are now ready to perform AutoStar’s One-Star alignment procedure. One Star AlignmentTo prepare your telescope for One Star Alignment:1. Plug in t

AutoStar used during the alignment procedure). Press the GOTO key to choose that star.5. The telescope will slew to that star. When slew-ing has been

too far and you need to turn in the opposite direction. Always double check the image in the center of the eld of the eyepiece.g. You may nd af

StarLock Automatic Rate Calibration (ARC)Obtaining best performance from StarLocked telescopes requires that the guiding aggressiveness be optimally s

It is important to understand that menu selections are set in a loop (Page 28, Fig. 38). This means that pressing the Scroll Down key (Fig. 35, #7)

Figure 37: AutoStar LevelsFigure 38: Menus set in loop7. Press MODE once to start moving back up through the AutoStar levels. The rst level up i

Park ScopeStarLock Status Auto Rate Cal. Set RA Rate Set DEC Rate On/Off High Precision HPP Dome DelayReticuleTimer Set Start/StopAlarmEyepi

WARNING!Never use a Meade® LX850 Telescope to look at the Sun! Looking at or near the Sun will cause instant and irreversible damage to your eye. Ey

9. Press the Up or Down Arrow key. Notice that a letter of the alphabet displays. Continue to press one of the Arrow keys until the rst letter of yo

star-type classication, if the object is a star. If further information is available, it displays as scrolling text. Press GO TO. The telescope, if a

such as a description of a planet or star. Press ENTER whenever a hypertext word is on screen and Autostar II goes to the glossary entry for that word

selected telescope.• Max Slew Rate: Sets the upper limit for the slew rate. 3° degrees per second is the fastest setting.• Park Position: Afte

• Tracking Rate: Changes the speed at which the telescope tracks targets in the sky. a. Sidereal: The default setting for Autostar II; sidereal rate

is displayed).Daylight Saving: Enables or disables the Daylight Savings time setting. Note: Daylight Savings Time may be referred to by different na

be accessed directly using the Number keys (commonly referred to as “hot buttons”). The two functions, the Speed mode and the Utility light are descri

Advanced AutoStar FeaturesBefore trying out the examples in this section, familiarize yourself with the basic operations of Autostar II descri

celestial objects (stars, nebulae, planets, etc.) that you can observe, you may eventually want to view objects that are not part of a library. Autost

To GO TO a user-entered object:In this procedure, you will choose an object from the User Object list and GO TO the object.1. With “User Object: Add”

® The name “Meade,” “AutoStar” and the Meade logo are trademarks registered with the U.S. Patent and Trademark Ofce and in principal countries throug

3. Press MODE to pause the Survey. Press Enter to restart the survey at the rst object of the survey.To check on the available amount of memory in Au

7. After you have scrolled to the last item on the “Object Type” list, press MODE twice and the Scroll Down key once. “Browse: Start Search” displays

Alternate Polar Alignments If you would rather set up your telescope without using the One-Star alignment routine, Autostar II offers alternative alig

Easy Polar AlignmentEasy Alignment is similar to Two-Star Polar Alignment, except it requires no knowledge of the night sky. Autostar II, rath

A wide assortment of professional Meade accessories is available for the LX850 telescope models. The premium quality of these accessories is well-suit

lenses with blackened edges, rotating adjustable eyecups. Focal lengths from 5.5mm 1.25” to huge-eld-of-view 30mm 2”.• Xtreme Wide Angle: Xtreme Wid

Storage and TransportWhen the telescope is not in use, store it in a cool, dry place. Do not expose the instrument to excessive heat or moisture. It i

SPECIFICATIONS10 inch Advanced Coma-Free12 inch Advanced Coma-Free14 inch Advanced Coma-Free130mm APOProduct number1008-85-01 1208-85-01 1408-85-01 01

SPECIFICATIONSGerman Equatorial MountProduct number37-0850-00UPC7 09942 60060 5Mount bodyMachined from solid 6061-T6 Aircraft grade Aluminum and stain

49Appendix AAPPENDIX A:Manual Drift AlignmentHow to manually Drift Align the LX850 Telescope (Northern Hemisphere).The LX850 with StarLock is speciall

INTRODUCTIONThe LX850 Telescope Advanced Technology for the Astro ImagerCongratulations on receiving your new LX850 telescope. You’ll nd that this te

APPENDIX B:StarLock UtilityThe StarLock Utility program provides the ability to:• Install Firmware Updates• StarLock Tracking PerformanceMeade is co

THIS PROCESS. Once the new rmware has been successfully burned into the StarLock a message indicating the operation is complete will be posted

In general, if seeing is poor, you will need to reduce your guide rate so you do not chase seeing. Under better conditions you can increase guide rate

53AutoStar #497 HANDBOX53Appendix CAPPENDIX C:Automatic Rate Calibration (ARC)Using StarLock’s Automatic Rate Calibration (ARC) FeatureObtaining best

AutoStar #497 HANDBOXAppendix D54LATITUDE CHARTAPPENDIX D:Latitude Chart for Major Cities of the World To aid in the polar alignment procedure, latitu

55Appendix EADVANCED COMA-FREE OPTICAL SYSTEMAPPENDIX E:Primary Baffle TubeField StopsPrimary MirrorRay (1) Ray (2) (2) (1) (2) (1) Second

AutoStar #497 HANDBOXAppendix F56The following provides guidelines for during your initial set-up of your 12” and 14” ACF LX850 Telescopes. These guid

57NotesNotes

58Recycling InformationRECYCLING INFORMATION (EU Countries only)Correct Disposal of this Product(Waste Electrical & Electronic Equipment)This mark

58Notes59Notes

Meade Instruments introduces the latest in a long line of advanced astronomical products: the LX850™. Using revolutionary new technology, every aspect

MEADE LIMITED WARRANTYEvery Meade telescope, spotting scope, and telescope accessory is warranted by Meade Instruments Corp. (“Meade”) to be free of d

LX850 Key FeaturesB ViewnderD HD-60 25mm Eyepieceo Rear Cell Porto SC Thread to 2” ACC AdapterF Diagonal Mirror ThumbscrewsG 2” Star Diagonal with 1.

LX850 Key FeaturesC Viewnder Collimation Screws2! DEC Drive Power Connector2^ Optical Tube Assembly (OTA)2& Dovetail Plate Safety BoltO StarLock

3#3^3&3# RA Internal Cable Access Port3^ StarLock Counterweight 3& StarLock Counterweight Lock Bolt4! Lock-down set screw for coverFigure 5: S