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Meade Instruments CorporationInstruction Manual16” LX200 Schmidt-Cassegrain Telescope

- 10 -You can see CNTR (center) and GUIDE motions only whilelooking through the telescope. The red LED light next to theappropriate key (3, Fig. 6) li

- 11 -g . Use the number keys to enter your longitude as above. Whencomplete, the display will look like Display 7.Display 7h. Press ENTER to complete

- 12 -c. Loosen the R.A. lock-knob (2, Fig. 5) and rotate thetelescope so that the R.A. Vernier pointer (4, Fig. 5) andthe Hour Angle (H.A.) pointer (

- 13 -The telescope will automatically begin to track objects. Fromthis point, move the telescope only through the hand controller.Manual movements by

4. Which Alignment Method to UseEach of the three methods described above has advantagesand disadvantages. The following table summarizes thesepropert

- 15 -Speed Keys (SLEW, FIND, CENTER, and GUIDE)The SLEW, FIND, CENTER, and GUIDE keys (6, Fig. 7) let youset the rate of movement (slew) speed in the

A connector for RS-232 communication even lets you performevery function of the keypad from your personal computer.ON/OFF SwitchWhen you move the ON/O

MODE FUNCTIONSTo view the separate modes within the LX200 system, pressthe MODE key ( it is located between the ENTER and GO TOkeys at the top of the

- 18 -This shows the alignment error that may have been madeduring your initial setup. Re-center the Pole Star duringeach interval using the pier

2. Using the HOME Alignment Routine: Using the HOMEalignment routine requires only two steps (assuming theSEThas been performed). First, before turnin

NOTE: Instructions for the use of optional accessoriesare not included in this manual. For details see theMeade General Catalog.The Meade Schmidt-Cass

- 20 -j. SLEW RATE: Option #10 in the TELESCOPE menu is forchanging the slew rate of the telescope. Slowing down theslew rate results in less noise wh

You can use the object library in the following ways:Directly access the library by using the M, STAR, or CNGCkeys (see THE LX200 KEYPAD HANDCONTROLLE

d. PARAMETERS: Press ENTER at the PARAMETERS menuto find options that let you set such parameter limitations onthe objects that you wish to locate as

- 23 -magnitude.8. FA I N T E R : You may also adjust the upper level ofbrightness with the FAINTER menu file option, (you mayfind few applicat

- 24 -battery-replacement information). Mode Four:TIMER/FREQ1. The TIMER OptionThe TIMER menu option is for accurately timing differentobserving or im

- 25 -the image starts to become fuzzy as you work into highermagnifications, then back down to a lower power (as whenthe optometrist asks, “Is this l

- 26 -APPENDIX A: EQUATORIAL USECelestial CoordinatesCelestial objects are mapped according to a coordinate systemon the Celestial Sphere. This is the

- 27 -d. The telescope slews to Polaris’ position. Using the azimuthand latitude controls on the permanent pier, center Polarisin the field of view. D

- 28 -APPENDIX B:LX200 ALIGNMENT STAR LIBRARYAND STAR CHARTS:Alignment StarsThe LX200 utilizes the following 33 bright, well known stars tocalibrate t

- 29 -Star Charts(for Northern Hemisphere Observers)NORTHMay 7:00 to 9:00NORTHJune 7:00 to 9:00SOUTHWESTMarch 7:00 to 9:00NORTHApril 7:00 to 9:00SOUT

WARNING!Never use the LX200 telescope to look at the Sun! Looking at or near the Sun will cause instantand irreversible damage to your eye. Eye damage

- 30 -NORTHJuly 7:00 to 9:00NORTHSeptember 7:00 to 9:00NORTHWESTNovember 7:00 to 9:00SOUTHEASTDecember 7:00 to 9:00NORTHOctober 7:00 to 9:00NORTHAugu

APPENDIX C:LX200 64,359-OBJECT LIBRARYThe LX200 64,359-object library is a collection of the moststudied and wonderful objects in the sky. The library

The CNGC distinguishes the following object types.About the Index Catalog (IC)The IC reproduces the complete Index Catalog of a variety ofobjects that

The CNGC CatalogCNGC# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTS0045 00 14.0 -23 10 486 10.4 GALAXY S- IV-V UGC A4

CNGC Catalog (continued)CNGC# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME QTAGS COMMON NAME/COMMENTS1746 05 03.6 +23 49 2520 6.1p OPEN CLUS c 1 S

CNGC Catalog (continued)CNGC# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTS2437 07 41.9 -14 49 1620 6.1v OPEN CLUS sp=

CNGC Catalog (continued)CNGC# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTS4349 12 24.2 -61 54 960 7.4v OPEN CLUS c 1 S

CNGC Catalog (continued)CNGC# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME QTAGS COMMON NAME/COMMENTS5927 15 28.0 -50 40 720 8.3v GLOB CLUS b 2 ST

CNGC Catalog (continued)CNGC# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME QTAGS COMMON NAME/COMMENTS6523 18 03.2 -24 23 5400 5.2 OPEN CLUS + ENE

- 39 -CNGC Catalog (continued)CNGC# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME QTAGS COMMON NAME/COMMENTS6981 20 53.5 -12 33 354 9.4v GLOB CLUS

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5What is the LX200? An Overview. . . . . . . . . . . . . . . 5 . . . 1. Hea

The Star Catalog STAR# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTS* 1 00 08.3 +29 06 2.1v STAR B8.5p IV:(Hg+Mn) Alp

The Star Catalog (continued)STAR# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTS* 61 06 22.9 +22 31 2.8v STAR M3 IIIab

The Star Catalog (continued)STAR# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME QTAGS COMMON NAME/COMMENTS*121 12 26.6 -63 06 50 1.3v STAR B0.5 IV

The Star Catalog (continued)STAR# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME QTAGS COMMON NAME/COMMENTS*181 16 41.3 +31 36 11 2.8v STAR G1 IV +

The Star Catalog (continued)STAR# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTS*241 22 05.8 -00 19 3.0v STAR G2 Ib Alp

The Star Catalog (continued)STAR# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTS*301 12 26.6 -63 06 47 1.6 STAR 1.6:2.

The M (Messier) CatalogM# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTSM 1 05 34.5 +22 01 360 8.4 PLAN NEB EMIS SN

The M (Messier) Catalog (continued)M# RA DEC SIZE MAG TYPE & DESCRIPTION ALT NAME QTAGS COMMON NAME/COMMENTSM 61 12 22.0 +04 28 360 9.7 GALAXY S

APPENDIX D:MAINTAINING YOUR LX200Keeping Your Telescope Clean and DryPreventive maintenance is the best course for keepingastronomical equipmen

You can clean the interior of the optical system yourself or haveit done professionally. If you do it yourself, handle the opticsvery carefully. Any i

- 5 -INTRODUCTIONAs a new LX200 owner, you are preparing for a journey into theuniverse with the most advanced amateur telescope everproduced. This in

5. If, while turning, you feel the screw get very loose, tighten theother two screws by equal amounts. If while turning, the set-screw gets too tight,

APPENDIX E:LX200 PERSONAL COMPUTER CONTROLRemote operation of a computerized telescope has been only adream for most amateur astronomers. The realizat

To enter the test program, first load BASIC or GWBASIC(whichever your computer system uses), then type in the LX200T E S T program. When complete,

Command :Gt#Returns sDD*MM#Gets the latitude of the currently selected site.Command :St sDD*MM#Returns OkSets the latitude of th

Command :Sh DD#Returns OkSets the current “higher” limit.Command :Go#Returns DD*#Gets the current “lower” limit.Command :S

- 55 -LX200 Demo ProgramThe RS-232 interface communicates with your computer at9600 baud rate, parity = None, 8 data bits, 1 stop bit. Forthose who

- 56 -telpos:LOCATE 6, 7: PRINT "TELESCOPE POSITION";c$ = "#:GR#": PRINT #1, c$; : d$ = INPUT$(8, 1): RAL$ = LEFT$(d$, 3):RAM$ = M

- 57 -status:LOCATE 1, 7: PRINT "SITE"c$ = "#:Gt#": PRINT#1, c$; : d$ = INPUT$(7, 1): RAL$ = LEFT$(d$, 3):RAM$ = MID$(d$, 5, 2): L

- 58 -drawbox:REM LOCATE BOXSTX, BOXSTY:REM BOX$ = CHR$(201)REM FOR I = 1 TO BOXWIDE: BOX$ = BOX$ + CHR$(205): NEXTREM PRINT BOX$;RETURNhelp:LOCATE 14

- 59 -APPENDIX F:LX200 SPECIFICATIONSTelescope 16”LX200 f/10Optical Design Schmidt-CassegrainCatadioptricClear Aperture 406mm (16")Primary Mirror

- 6 -16” LX200 uses only one motor to track, and in this caseSmart Drive corrects for periodic error in one axis only.Smart Drive uses a model of the

Ver 01099 Part no. 14-108MEADE LIMITED WARRANTYEvery Meade telescope, spotting scope, and telescope accessory is warranted by Meade Instrume

Commercial shipment of the 16" LX200 Telescope without thesafety bolt in place and packed in the original factory suppliedshipping containers as

Attaching the 16” Drive Basea. Rotate the field tripod so that one leg is pointingapproximately South (it need not point exactly South).b. Po

Southern Hemisphere OperationThe 16” LX200 is shipped with the North/South jumper set forNorth (i.e., with the jumper on one pin only). This jumper is