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Summary of Contents for Meade LXD 650
- Page 1 INSTRUCTION MANUAL Meade #1697 Computer Drive System ® For LXD 650 and LXD 750 Equatorial Mounts Meade Instruments Corporation...
- Page 2 ONE YEAR from the date of original purchase in the U.S.A. and Canada. Meade will repair or replace a product, or part thereof, found by Meade to be defective, provided the defective part is returned to Meade, freight-prepaid, with proof of purchase.
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Page 3: Table Of Contents
Optional Accessories ....... 18 Meade Customer Service ......18 Appendix A: Precise Polar Alignment . -
Page 4: Introduction
#1697 COMPUTER DRIVE SYSTEM INTRODUCTION The Meade #1697 Computer Drive System (CDS) is easily installed in the Meade LXD 650 and 750 Equatorial Mounts. With a properly polar aligned mount, (see the instruction manual which accompanies the telescope), the #1697 Computer Drive... -
Page 5: Quick Start
Polar align your telescope. See the instructions that accompany the telescope. Turn "on" the #1697 Control Box. The Keypad Display (1), Fig. 6, displays “MEADE” for several seconds as the micro- processor does a self-diagnostic test. diagnostic test is complete, the display shows “TELE- SCOPE”... -
Page 6: Basic Cds Setup
CDS depends on the accuracy of the data that is entered. Once the above information is determined, it is easiest to enter the data into the system while the telescope and CDS are indoors where there is light—do not try to do it outside at night. -
Page 7: Telescope And Cds Alignment
3) Telescope and CDS Alignment. After the basic information has been entered into the system, the CDS is ready for use. With a telescope that has been properly assembled and balanced (as per the telescope's instruction manual), you are ready to begin. Following these steps: Face the field tripod leg (1), Fig. -
Page 8: Using The #1697 Computer Drive System
After centering the pole star, press the ENTER key. The telescope will slew to one of the 33 bright and well known stars as a second alignment star. Appendix B can be used... -
Page 9: Daytime Slewing
The CDS “knows” where the planets are in relation to the Sun, but the telescope does not “know” where the Sun actually is. When the GO TO button is pushed, the telescope will slew to the object by the most direct route, which may move directly over the Sun. -
Page 10: Go To Key
RET key (5), Fig. 8, is used to change the brightness and pulse rate of the optional corded, plug-in style illuminated reticle eyepiece, such as the Meade Modified Achromatic 12mm Illuminated Reticle Eyepiece, or the Meade Series 4000 Plössl 9mm Illuminated Reticle Eyepiece. (See Optional Accessories, page 18.) Pressing either the PREV and... -
Page 11: Rs-232
4. Red LED Indicator (4), Fig. 9: When illuminated, the red LED indicates power to the system. 5. Focuser (5), Fig. 9: The Focuser port accepts optional corded, plug-in style electric focusers, such as the Meade #1207 Electric Focuser, to allow electric focus adjustment control from the CDS Keypad. -
Page 12: Smart
Training the SMART DRIVE: Once polar alignment of your telescope has been completed, the CDS is pointing the telescope to a bright star overhead, near the Celestial Equator. This star may be used, or another, as long as the chosen guide star is near 0 degrees in Declination and more or less overhead in Right Ascension. -
Page 13: Help
HIGH PRECISION Searching ... Display 21 (3) The telescope will slew to the nearest of three bright stars. These three stars are brighter than 3rd magnitude, and are far enough apart to insure that there will only be one in the field of view. -
Page 14: Slew Rate
10) SLEW RATE: Option #10 in the TELESCOPE menu is for changing the slew rate of the CDS telescope. Slowing down the slew rate will result in less noise as the telescope moves and will also use a little less power. To change the slew rate, follow these... -
Page 15: Start Find
RA = 12:27.2* DEC = +13'03 Press ENTER once more to see how far your telescope needs to be moved to acquire the object. The display will show LED bars, each bar represents ten degrees of movement as shown in... -
Page 16: Higher
A. Coordinates Menu Option This option displays the R.A. and DEC coordinates of where the telescope is pointing. If the CDS is moved using the "N", "S", "W" or "E" keys, the coordinate display immediately updates the new position in Right Ascension and Declination. -
Page 17: Mode Three: Clock/Calendar
3. MODE THREE: CLOCK/CALENDAR The continuously operating clock and calendar is the heart of the CDS. At power up, the telescope’s accurate sidereal clock automatically performs orbital calculations of the planets, and figures the correct stellar precession for the CDS's superior pointing ability. -
Page 18: Optional Accessories
Service hours are 8:30 AM to 4:00 PM, Pacific Time, Monday through Friday. designed yield Meade General Catalog smooth, precise For your free copy of the Meade General Catalog write, call, or fax Meade Instruments: Meade Instruments Corporation 6001 Oak Canyon Irvine, CA 92620-4205 Phone: (949) 451-1450 Fax: (949) 451-1460... -
Page 19: Appendix A: Precise Polar Alignment
Fewer tracking corrections are required during the duration of the exposure when the telescope is precisely polar aligned. Precise polar alignment requires the use of a crosshair eyepiece — such as the Meade Illuminated Reticle Eyepiece — and a 2x Barlow lens for increased magnification.
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