Meade DS-2090AT-TC - Manual

9 It is important to understand that menu selections are set in a loop ( Fig. 3 ). This means that pressing the Scroll Down key cycles down through all the available options within a given cate-gory, then returns to the first option. The Scroll Up key cycles up through the options in the oppo-site o...

10 AutoStar Navigation Exercise To demonstrate how the AutoStar menu structure works, the following exercise calculatesSunset time so an evening observing session can be planned. To Calculate Sunset time: 1. Press the MODE key several times, until “Select Item: Object” is displayed. 2. Press the Scr...

11 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 b le V ar ia b...

12 Object Menu Almost all observing with AutoStar is performed using the Object menu category. ( NOTE: Exceptions include Guided Tour and Landmark Survey.) Many AutoStar menu categories contain databases. An AutoStar database is a list of viewable objects, such as stars, planets, comets, nebulae, an...

13 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...

14 Alarm selects a time for an alarm signal as a reminder. To use the Alarm, press ENTER, then choose "Set" or "Start/Stop." N Set : Enter the time of day for the alarm to sound, in hours, minutes, and seconds, then press ENTER. N Start/Stop : Activates the alarm set previously. Use ...

16 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 perfor ming a manual slew past this ...

17 and allows automatic slewing of the telescope to the user-entered coordinates. R.A (RightAscension) and Dec. (Declination) are similar to latitude and longitude, except that they areused to find objects in sky. In order to use this menu option, you first need to look up the R.A and Dec. coordinat...

18 5. Use the Scroll keys to display data about the pass: aos – acquisition of signal and los –loss of signal. If you subtract the aos from the los, you can calculate how long the satellitewill be visible. Location information also displays. 6. "Alarm" displays after the location information...

14-2005-00 05/06 (800) 626-3233 www.meade.com MEADE LIMITED WARRANTY Every Meade AutoStar accessory is warranted by Meade Instruments Corporation (“Meade”) to be free of defects in materi-als and workmanship for a period of ONE YEAR from the date of original purchase in the U.S.A. and Canada. Meade ...