Meade DS-2000 instruction manual Altitude vertical and Azimuth horizontal coordinates

Models: DS-2000

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Fig. 4: Secure the tripod: turn the tripod lock knob.

DEFINITION: Throughout this manu- al, you will notice the term "Alt/Az." Alt/Az is frequently used to refer to Altitude (vertical) and Azimuth (horizon- tal). Alt/Az is just one of many methods used by amateur astronomers to help locate stars in the night sky.

Fasten wingnuts

Fig. 3 Attach Tray to the tri- pod: Thread the wingnuts to the bolts (bottom view).

Fig. 4: Secure the tripod: turn the tripod lock knob.

Fig. 5: Attach the mounting arm to the tripod base.

Altitude (vertical) and Azimuth (horizontal) coordinates

Local Time and Local Sidereal Time (LST)

Timer and Alarm Status

Press MODE again to return to the previous menu.

GO TO Key - Slews (moves) the telescope to the coordinates of the currently selected object. While the telescope is slewing, the operation may be aborted at any time by press- ing any key except GO TO. Pressing GO TO again resumes the slew to the object.

The GO TO key also allows you to perform a "spiral search." A spiral search is useful when the telescope slews to an object, but that object is not visible in the eyepiece after the telescope finishes its search. (This sometimes occurs during the alignment procedure.) Press GO TO when the slew is finished and the telescope starts slewing in a spiral pattern at a very slow speed around the search area. Look through the eyepiece and when the object does become visible, press MODE to stop the spiral search. Then use the Arrow keys to center the object.

Arrow Keys - Move the telescope in a specific direction (up, down, left, and right), at any one of nine different speeds. Speed selection is explained in SLEW SPEEDS, page 16. The following functions are also available with the Arrow keys:

Data Entry - Use the Up and Down Arrow keys to scroll through the letters of the alphabet and numerical digits. The Down Arrow key starts with the letter "A" and the Up Arrow key starts with the digit "9." The Left and Right Arrow keys are used to move the blinking cursor left and right across the LCD display.

Alt/Az Alignment - Use the Up and Down Arrow keys to move the telescope ver- tically up and down. The Left Arrow key rotates the telescope horizontally coun- terclockwise, while the Right Arrow key rotates it clockwise.

Tip: When a message is scrolling across the display, press and hold the Up Arrow key to increase the scrolling speed or press and hold the Down Arrow key to decrease the scrolling speed.

,Scroll Keys - Access database options within a selected menu. The menu is displayed on the top line of the screen. Options within the menu are displayed, one at a time, on the second line. Press the Scroll keys to move through the options. Press and hold a Scroll key to move quickly through the options.

The Scroll keys also scroll through the letters of the alphabet and numerical digits.

NOTE: The Scroll Down key and the Down Arrow key move forward through the alphabet & digits (A to Z, 0 to 9). The Scroll Up key and the Up Arrow key move backward (Z to A, 9 to 0). Common symbols are also available in the list.

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 is shown for about two seconds on the display. See SLEW SPEEDS, page 16.

The Speed/? key also accesses the "Help" file. "Help" provides on-screen information on how to accomplish whatever task is currently active.

NOTE: Pressing the Speed/? key very briefly changes the slew speed. Holding down the Speed/? key longer (one to two seconds) accesses the Help function.

If you have a question about an Autostar operation, e.g., INITIALIZATION, ALIGNMENT, etc., hold down the Speed/? key and follow the directions that scroll on the second line of the LCD screen. When a word appears in [brackets], press ENTER to access the Autostar Glossary. A definition or more detailed information is displayed. Press MODE to return to the scrolling Autostar Help display.

When satisfied with the Help provided, press MODE to return to the original screen and continue with the chosen procedure.

Coil Cord (not shown) - Plug the Autostar coil cord into the HBX port (A, Fig. 1c) of the computer control panel of the telescope.

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Meade DS-2000 Altitude vertical and Azimuth horizontal coordinates, Press MODE again to return to the previous menu