Meade ETX-80AT-TC - Manuals

6 Fig. 1 : The ETX-80AT Telescope. TELESCOPE FEATURES 1. Eyepiece2. Eyepiece holder thumbscrew3. 90° Eyepiece holder4. Rear Cell Port5. Flip mirror control (inset)6. Flip Barlow 7. Battery compartment 8. Fork arms9. Optical tube 10. Objective lens cell11. Base/Holes for tripod bolts12. Dust cap13. V...

7 Fig. 2 : The AutoStar Handbox (see page 10). Fig. 1c : The battery compartment. Fig. 1b : The computer control panel: A - HBX port; B - LED; C - On/Off;D - AUX port. Fig. 3 : The tripod. h 1^ A B C D 2) 1* 2! 2@ 2# 2% 1( 2$ 18. AutoStar 19. Bubble level compass20. Tripod base21. Adjustable legs22....

8 Fig. 4a: Flip mirror control in the “up”position. Fig. 4b: Flip mirror control in the “down”position. ETX: Your Personal Window to the Universe The Meade ETX-80AT is an extremely versatile, high-resolution telescope with features similarto those once available only with larger and more specialized...

9 1% Focus Knob : Moves the telescope’s objective lens ( 10, Fig. 1 ) in a finely-controlled motion to focus an image. The ETX-80AT telescope can be focused on objects from a distance ofabout 17 ft. to infinity. Rotate the focus knob clockwise to focus on distant objects, andcounterclockwise to focu...

10 Fig. 5: #494 AutoStar Handbox. Tour the Cosmos with Just the Push of a Button Control of the ETX-80AT is through the operation of the standard-equipment #494 AutoStar.Nearly all functions of the telescope are accomplished with just a few pushes of AutoStar’s but-tons. Some of the major features o...

11 The AutoStar Computer Controller provides control of virtually every telescope function withina compact handbox. AutoStar has soft-touch keys designed to have a positive feel. The LCD(Liquid Crystal Display) is backlit with a red LED (Light Emitting Diode) for easy viewing in thedark. The backlit...

12 H Speed/? Key : Pressing the Speed/? key cycles through the nine slew speeds that move the telescope. Each time the Speed/? key is pressed briefly, the current slew speed isshown for about two seconds on the display. See SLEW SPEEDS, page 15. The Speed/? key also accesses the "Help" file....

13 Parts Listing Getting the telescope ready for first observations requires only a few minutes. When first open-ing the packing box, note carefully the following parts: • The ETX Astro Telescope with fork mount system, built-in flip barlow. • #882 Standard Field Tripod with carry case • Accessory t...

14 8. Plug in the handbox: Make sure that the computer control panel power switch is in the OFF position. Remove AutoStar from the packing materials and plug it into the HBX port. Flip the Power Switch on the computer control panel to the ON position. The copyrightmessage lights on AutoStar’s LCD di...

16 NOTE: AutoStar requests theCountry/State, City,and Telescope Modelinformation only thefirst time AutoStar isactivated. If you wishto change this informa-tion, use the "Site" and"Telescope Model"options in the Setupmenu. The device that sup-plies the Time andDate is preset at the O...

17 7. Set Your Location or Zip Code: The Location screen displays. This screen asks you if you wish to choose either the zip code of your observing location or the location ( i.e., entering the city and state or country of your observing location). Press Up to select the zip codeoption or down to en...

18 Easy Alignment After you initialize the system, AutoStar displays “Easy Align.” The fastest and easiest way tostart observing with AutoStar is with Easy Alignment. During Easy Alignment, AutoStar automatically picks two alignment stars from its database ofcelestial objects. It will then slew the ...

19 4. Press ENTER. “Calculating” displays. Then “Saturn” and a set of coordinates displays.Saturn’s (and other planets’) coordinates change throughout the year. 5. Press GO TO. “Saturn: Slewing...” displays and the telescope slews until it finds Saturn. Youmay need to use the Arrow keys to center Sa...

20 AUTOSTAR MENUS T o night's Best H o w F ar is F ar A Star's Lif e D o wnloaded T ours U s er-created T ours Solar System M e rcur y Etc . M o on A s teroids C omets C onstellations A n dromeda Etc . Dee p S k y N amed Obj ect G ala x ies N e b ulae M e ssier Etc . Star N amed S A O C atalog D o u...

21 It is important to understand that menu selections are set in a loop ( Fig. 19 ) . This means that pressing the Scroll Down key ( 6, Fig. 5 ) cycles down through all the available options within a given category, then returns to the first option. The Scroll Up key ( 6, Fig. 5 ) cycles up through ...

22 To Calculate Sunset time: 1. Press the MODE key several times, until “Select Item: Object” is displayed. 2. Press the Scroll Down key once to display the “Event” option in the “Select Item” menu. 3. Press the ENTER key to choose the "Event" option and move down a level. "Event:Sunrise...

23 Object Menu Almost all observing with Autostar is performed using the Object menu category. ( NOTE: Exceptions include Guided Tour and Landmark Survey.) See GO TO SATURN , page 18, for an example of observing using the Object menu. Also see TAKE A GUIDED TOUR , page 19. Many Autostar menu categor...

24 Event Menu The Event menu provides access to dates and times of astronomical events. The Event data-base includes: Sunrise and Sunset calculates the time that the Sun rises or sets on the current date. Find rise and set times for other dates by entering a new date into the “Setup: Date” menu. See...

25 Timer selects a countdown timer. This feature is useful for functions such as astrophotography and tracking satellites. See OBSERVING SATELLITES , page 29. To use the Timer, press ENTER, then choose “Set” or “Start/Stop." N Set : Enter the time to be counted down, in hours, minutes, and secon...

26 Date changes the date used by Autostar. This function is useful to check events in the past or future. For example, set the Date menu for a day three months in the future. Then check the"Select Item: Event" menu for the Sunset time on that date. See EVENT MENU , page 24. Time changes the ...

27 N Quiet Slew : Sets the maximum slew rate to 1.5° for quieter operation. N Max Elevation : Allows you to enter a value in degrees that sets a limit as to how far the optical tube can swing upward during a programmed slew. (Note that it does not preventyou from performing a manual slew past this l...

28 Terrestrial Observing The ETX-80AT makes an excellent high-resolution, terrestrial (land) telescope. Viewing terres-trial objects requires looking along the Earth's surface through heat waves. These heat wavesoften cause degradation of image quality. Low power eyepieces, like the MA 25mm eyepiece...

29 Two-Star Alt/Az Alignment Two-Star Alignment requires some knowledge of the night sky. AutoStar provides a database ofbright stars and two stars from this database are chosen by the observer for alignment. 1. Perform steps 1 through 8 as described in the EASY ALIGNMENT PROCEDURE , page 18. 2 . Al...

30 8. Use the Arrow keys to center the object in the eyepiece to view the object. Satellite orbitschange and new satellites (including the Space Shuttle) are launched. Visit the Meadewebsite ( www.meade.com ) approximately once a month to get updated information and instructions on how to download t...

32 Fig 27: #827 Right-Angle Viewfinder. A wide assortment of professional Meade accessories are available for the ETX-80AT. Meadeaccessories greatly extend many important applications to the telescope, from low-power,wide-field terrestrial viewing to high-power lunar and planetary observing. The pre...

33 General Maintenance The ETX-80AT telescope is a precision optical instrument designed to yield a lifetime of reward-ing applications. Given the care and respect due any precision instrument, your telescope willrarely require factory servicing or maintenance. Maintenance guidelines include: 1. Avo...

34 Troubleshooting The following suggestions may be helpful with operation of the ETX-80AT. The power indicator light on the telescope does not come on or there is no responsewhen pressing AutoStar Arrow keys: • Verify that the Computer Control Panel power switch ( C, Fig. 1b ) is in the ON position...

35 Meade Customer Service If you have a question concerning your ETX-80AT, contact the Meade Instruments CustomerService Department at: Telephone : (800) 626-3233 Customer Service hours are 8:00 AM to 5:00 PM, Pacific Time, Monday through Friday. In theunlikely event that the ETX requires factory se...

36 Although AutoStar's database contains more than 1400 objects (stars, nebulae, planets, etc.)that you can observe, you may eventually want to view objects that are not part of the database.AutoStar provides a feature that allows you to enter an object's R.A and Dec coordinates in the"User: Obj...

37 Polar Alignment The great majority of ETX-80AT owners will find itunnecessary ever to Polar align the telescope. Withthese ETX telescope models the standard-equip-ment Autostar controller allows the telescope to beused in the altazimuth (Alt/Az) orientation for allobserving purpose. This section ...

38 e.g., the Declination of the North Celestial Pole is +90°, with Declination South of the celestial equatorindicated with a “–” sign, e.g., the Declination of the South Celestial Pole is –90°. Any point on the celes-tial equator itself which, for example, passes through the constellations Orion, V...

39 UNITED STATESCity State Latitude Albuquerque New Mexico 35° N Anchorage Alaska 61° N Atlanta Georgia 34° N Boston Massachusetts 42° N Chicago Illinois 42° N Cleveland Ohio 41° N Dallas Texas 33° N Denver Colorado 40° N Detroit Michigan 42° N Honolulu Hawaii 21° N Jackson Mississippi 32° N Kansas ...

40 Train the telescope motors using AutoStar. Perform this procedure after RESET or if you are experiencing any point-ing accuracy problems. Figure 33 depicts the complete Drive Training procedure. Note: Use a terrestrial object, such as a telephone pole or lamp post, to train the drive. Complete th...

41 In the early 17th century, Italian Scientist Galileo, using a crude telescope considerably small-er than the ETX-80AT, turned it to look towards the sky instead of distant trees and mountains.What he saw, and what he realized about what he saw, forever changed the way mankindthought of the univer...

Part no . 14-6882-00 07/00 (800) 626-3233 www.meade.com MEADE LIMITED WARRANTY Every Meade telescope, spotting scope, and telescope accessory is warranted by Meade Instruments Corporation (“Meade”)to be free of defects in materials and workmanship for a period of ONE YEAR from the date of original p...