Meade LX200 CLASSIC, Instruction Manual

Page 1: ...Meade Instruments Corporation Instruction Manual 16 LX200 Schmidt Cassegrain Telescope ...

Page 2: ...ex secondary mirror multiplies the effective focal length of the primary mirror and results in a focus at the focal plane with light passing through a central perforation in the primary mirror The 16 model includes an oversize 16 375 primary mirror yielding a fully illuminated field of view significantly wider than is possible with standard size primary mirrors Note that light ray 2 in the figure ...

Page 3: ...Meade 16 LX200 Schmidt Cassegrain Telescope 1 Viewfinder Dew Shield 2 Viewfinder Collimation Screws 3 Declination Dec Setting Circle 4 Dec Vernier Pointer 5 Focus Knob 6 Right Ascension R A Lock 7 R A Slow Motion Control Knob 8 R A Vernier Pointer 9 R A Setting Circle 10 Power Panel 11 Keypad Hand Controller 12 Diagonal Mirror 13 Eyepiece 14 Bubble Level 15 Hour Angle H A Pointer 16 Drive Base 17 ...

Page 4: ...16 POWER 18vDC Port 16 Keypad Port 16 Reticle Port 16 Focuser Port 16 RS 232 Port 16 Field De Rotator Port 16 12vDC Output 16 Mode Functions 17 Mode 1 Telescope Object Library 17 A Telescope Menu File 17 B Object Library Menu File 20 Mode 2 Coordinates GO TO 23 1 Coordinates Menu File 23 2 GO TO Menu Option 23 Mode 3 Clock Calendar 23 Mode 4 TIMER FREQ 24 1 TIMER Menu Option 24 2 FREQ Menu Option ...

Page 5: ...precise corrections at 2x sidereal speed 2 Built in 64 359 Object Library Enter into the keypad any object from the following object libraries press GO TO and the telescope automatically slews to the object at up to 4 per sec and centers it in the main telescope field The object libraries are as follows 15 928 SAO stars Smithsonian Astrophysical Observatory Catalog of Stars all stars brighter than...

Page 6: ... the view depending on your line of sight and the angle the light is coming from may reveal what would appear to be scratches dark or bright spots or just generally uneven coatings giving the appearance of poor surface quality These effects are only seen when a high intensity light is transmitted through lenses or reflected off the mirrors They can be seen on any high quality optical system includ...

Page 7: ...the legs apart to a fully open position Thread in the two lock knobs 5 Fig 2 for each tripod leg near the foot of each leg These lock knobs are used to fix the position of the inner tripod leg sections These sections are used to level the telescope described below NOTE Tightening to a firm feel is sufficient Over tightening may result in stripping of the knob threads or damage to the tripod legs I...

Page 8: ...s been pre focused at the factory However should it become necessary to adjust the focus follow these steps a Loosen the focus lock ring 17 Fig 1 b While looking at a star rotate the dew shield 1 Fig 1 until the star is in focus this refocuses the objective lens c When the dew shield is rotated to the sharpest focus for your eye tighten the focus lock ring against the dew shield to fix its positio...

Page 9: ...Dec and R A locks Precisely center the image by using the keypad arrow keys to move the telescope The focus knob 5 Fig 1 is located at the four o clock position as you face the rear cell of the telescope Precise motion of the telescope primary mirror focuses the image As you turn the focus knob there are no externally moving parts Turning the focus knob counter clockwise you are focusing towards t...

Page 10: ...proceeding You should find the position of your observing site to within one or two minutes of arc in both latitude and longitude Many automobile pilot and topographical maps as well as most atlases show latitude and longitude in 15 minute increments or better The accuracy of the LX200 will depend on how close you get so take a little time to get as accurate as you can Once you ascertain the above...

Page 11: ...Time GMT time zone shift by looking up your time zone in the following table For example If you live in the Pacific Time Zone and you are on Daylight Time the GMT time shift is 7 hours f Use the number keys to enter the GMT time zone shift determined from the table above Press ENTER when done the display will go back to Display 8 If you are using the LX200 East of Greenwich England you must enter ...

Page 12: ...hat prevents the optical tube assembly from slewing past 90 altitude to protect the viewfinder from hitting the fork arm The LX200 tracks an overhead object but it does so by moving higher in altitude up to the illegal position then the drive speeds up and moves 180 in azimuth so that the optical tube assembly can now be lowered in altitude to keep up with the overhead object Confusion arises beca...

Page 13: ...or have not entered it into the LX200 s memory NOTE In all alignment procedures be sure the telescope is rotated so that the power panel is facing North 1 1 Star Alignment with Known SITE The 1 star alignment routine is explained in detail in Setting Up the Telescope page 11 2 2 Star Alignment at Known SITE To use the 2 star alignment procedure at a known site follow these steps 1 Select 2 star al...

Page 14: ...you requested To edit a value press and hold the ENTER key until you hear a double beep and a blinking cursor appears in the display The ENTER key is used in certain additional situations which are described in detail later MODE Key The MODE key 2 Fig 7 cycles through the five modes of the LX200 It is used to exit from specific menu files GO TO Key The GO TO key 3 Fig 7 causes the LX200 automatica...

Page 15: ...ocusing press and hold the FOCUS key and then press and hold the PREV or NEXT keys for near and far focus MAP Key The MAP key 11 Fig 7 turns on and off the red LED flashlight which is located at the top of the keypad The deep red LED light will protect your night vision while you search for an accessory or examine a star chart Object Keys M STAR and CNGC The M Messier objects STAR stars and planet...

Page 16: ...table Power 18 vDC Port The power 18vDC port 9 Fig 8 accepts either the standard equipment AC converter or the optional DC power cord The acceptable voltage range under load is from 12 to 18 volts Keypad Port The keypad port 6 Fig 8 is a 4 pin phone jack connector socket designed to accept standard 4 pin phone jack cords One end of the supplied coiled cord plugs into the keypad port the other end ...

Page 17: ...n menu selection of the TELESCOPE file demonstrates the unique ability to transform the LX200 into an altazimuth celestial tracking telescope a polar equatorial celestial tracking telescope or a land spotting scope with electric altazimuth movements within three options These options are ALTAZ POLAR and LAND When you enter correct local time latitude and longitude see QUICKSTART page 9 you are rea...

Page 18: ...ctional showing lower case lettering in the displays and a beep if you try to enter one of them The LX200 slews at any one of the four speeds SLEW FIND CNTR and GUIDE when you press the appropriately marked key on the left side of the keypad Altazimuth coordinate readings can still be displayed in the COORDINATES mode see Mode Two page 23 Refer to QUICK START page 9 for the LAND menu option for fu...

Page 19: ...C command 0 3 arc sec resolution encoders and high speed DC servo motors you can now place objects in the telescope s field of view with one arc minute or better pointing accuracy This makes critical image placement applications such as CCD imaging possible Normal telescope pointing accuracy is better than five arc minutes when you perform a casual alignment This is more than accurate enough for m...

Page 20: ...D DE ROTATOR FDR option is available only in the ALTAZ mode Selecting this option activates the field de rotator socket on the power panel When it is active the display shows the number of arc seconds of field rotation for the part of the sky to which the telescope is pointing When not using the de rotator turn off this function Field rotation can range from almost no rotation at certain parts of ...

Page 21: ...t If you do not wish to view this object press NEXT again If you wish to return to a previously viewed object press the PREV key until the desired catalog number is displayed and press the GO TO key If you have set some limitations in the PARAMETERS option the telescope will find only those objects within your chosen confines If you find that the object is not well centered in the eyepiece after y...

Page 22: ... is three fists high you would set 15 in the HIGHER option Once the setting is finalized press ENTER 4 LOWER The LOWER menu file option sets the zenith limit setting for the telescope At power up the setting is 90 which assumes that you point the telescope straight up If however you have instruments on the telescope which will not clear the fork arms or if you want to avoid the 10 field de rotator...

Page 23: ...asing to 00 and 00 minutes as you move the telescope level with the horizon then as the LX200 moves below 00 00 it will give minus altitude readings Display 33 shows the altazimuth coordinate display Display 33 When you slew in one direction in ALTAZ the RA and DEC displays change at the same time The ALT and AZ displays change only in the direction that the telescope is slewing NOTE Only the Dec ...

Page 24: ...cts you may need either to dim or turn off the keypad red LCD backlighting To do so press the MODE key until the display goes blank This is the OFF option To set the keypad brightness press the ENTER key and adjust the brightness with the PREV and NEXT keys To exit press the MODE key This brightness setting also dims the power panel power LED and ammeter NOTE The backlighting is done by edge light...

Page 25: ...through an eyepiece depends on eyepiece design Actual Field your actual field of view depends on the eyepiece and the telescope Calculate the Actual Field of a telescope with a given eyepiece by dividing the Apparent Field of the eyepiece by the power obtained using that 8 f 10 10 f 10 12 f 10 16 f 10 Eyepiece Apparent Field Power Actual Field Power Actual Field Power Actual Field Power Actual Fie...

Page 26: ...e telescope with the North Celestial Pole Using the LX200 in POLAR Mode The Meade 16 LX200 is an ALTAZ telescope with little need to mount it as an equatorial telescope The LX200 computer and optional field de rotator allow tracking slewing to objects and long exposure astrophotography all in the ALTAZ mode In the past these operations required the telescope to be mounted as an equatorial telescop...

Page 27: ...orizontally to change the polar alignment Reposition the telescope s East West polar axis orientation until the start stops drifting North South Track the star for long enough to be certain that its Dec drift has ceased NOTE Figs 11 12 13 and 14 show the telescope pointed in the 90 position not the 0 position that is required for drift method alignment This is done to illustrate the position of th...

Page 28: ... 35 5 26 43 ALTAIR 226 0 8 AQUILA 19 50 8 08 52 ANTARES 177 0 9 SCORPIUS 16 29 5 26 26 ARCTURUS 147 0 0 BOOTES 14 15 7 19 11 BETELGEUSE 56 0 4 ORION 05 55 2 07 25 BOGARDUS 58 2 6 AURIGA 05 59 8 37 13 CANOPUS 63 0 7 CARINA 06 24 0 52 42 CAPELLA 42 0 1 AURIGA 05 16 6 46 00 CASTOR A 78 1 9 GEMINI 07 34 6 31 53 DENEB 232 1 3 CYGNUS 20 41 5 45 17 DENEBOLA 114 2 1 LEO 11 49 1 14 34 DIPHDA 8 2 0 CETUS 00...

Page 29: ...Star Charts for Northern Hemisphere Observers NORTH May 7 00 to 9 00 NORTH June 7 00 to 9 00 SOUTHWEST March 7 00 to 9 00 NORTH April 7 00 to 9 00 SOUTHEAST January 7 00 to 9 00 SOUTH February 7 00 to 9 00 ...

Page 30: ... 30 NORTH July 7 00 to 9 00 NORTH September 7 00 to 9 00 NORTHWEST November 7 00 to 9 00 SOUTHEAST December 7 00 to 9 00 NORTH October 7 00 to 9 00 NORTH August 7 00 to 9 00 ...

Page 31: ... conditions Only for very small objects was a higher power eyepiece used Your VQ rating of a particular object will vary largely due to sky conditions If the object has been rated by observation an upper case character ABCDEFG is used for the VQ on the CNGC listing If the object has not been observed the VQ has been estimated by a computer program from the object type size and brightness and the V...

Page 32: ...below 903 is the Moon TYPE LEGEND DESCRIPTION 0 None Unverified Southern Object 1 OPEN Open Cluster 2 GLOB Globular Cluster 3 DNEB Diffuse Nebula 4 PNEB Planetary Nebula or SN Remnant 5 GAL Galaxy 6 OPEN DNEB Open Cluster Diffuse Nebula 7 None Non Existent Object 8 STAR Star 9 MULTI STAR Multiple Star A MULTI GAL Multiple Galaxy Usually Interacting B DNEB Dark Nebula in front of Diffuse Nebula C G...

Page 33: ... 37 41 3000 5 7v OPEN CLUS sp A5 c 1 ST 1200ly 0869 02 19 1 57 09 1800 4 3p OPEN CLUS sp B1 A 1 ST Double Cluster h Per 7kly 0884 02 22 5 57 07 1800 4 4p OPEN CLUS sp B0 A 1 ST Double Cluster x Per 8kly 0925 02 27 3 33 35 588 10 0 GALAXY S B c II III UGC 1913 c 5 ST 9 8x6 0 0956 02 32 4 44 38 480 8 9p OPEN CLUS c 1 S 0957 02 33 6 57 31 660 7 6v OPEN CLUS c 1 ST 1023 02 40 5 39 04 522 9 5 GALAXY E7...

Page 34: ... 21 1680 5 1v OPEN CLUS sp B5 CNGC 2168 C 1 ST M35 2800ly 2169 06 08 4 13 58 420 5 9v OPEN CLUS c 1 ST 2175 06 09 8 20 19 1080 6 8v OPEN CLUS ENEB c 6 ST Red Faint Low Contrast 2194 06 13 8 12 49 600 8 5v OPEN CLUS c 1 ST 2204 06 15 7 18 39 780 8 6v OPEN CLUS c 1 ST 2215 06 20 8 07 17 660 8 4v OPEN CLUS c 1 ST 2232 06 26 8 04 44 1800 3 9v OPEN CLUS sp B1 b 1 S 1600ly 2237 06 30 3 05 03 4800 7 4 OP...

Page 35: ... RNEB OPEN c 6 ST 9kly 3328 10 43 2 64 24 3000 1 9v OPEN CLUS II 3 m IC 2602 b 1 ST 3351 10 43 9 11 42 444 9 7 GALAXY S B b II UGC 5850 C 5 ST M95 7 4x5 1 Near M96 3368 10 46 7 11 49 426 9 2 GALAXY Sbp UGC 5882 C 5 ST M96 7 1x5 1 Near M95 3372 10 45 1 59 41 7200 5 3 DIFF ENEB OPEN CLUS HII A 6 ST Eta Carina Nebula Red 9kly 3379 10 47 8 12 35 270 9 3 GALAXY E1 2 SYS UGC 5902 CA ST M105 4 5x4 0 3496...

Page 36: ...UGC 7989 C 5 ST 11 0x7 9 4736 12 50 9 41 08 660 8 2 GALAXY Sb p II UGC 7996 C 5 ST M94 11 0x9 1 4755 12 53 6 60 21 600 4 2v OPEN CLUS sp B3 c 1 ST Jewel Box 6800ly 4762 12 53 0 11 14 522 10 2 GALAXY SB0 UGC 8016 c 5 ST 8 7x1 6 4826 12 56 7 21 41 558 8 5 GALAXY Sb UGC 8062 C 5 ST M64 9 3x5 4 Black Eye Gal 4833 12 59 4 70 52 810 7 4v GLOB CLUS b 2 ST 4852 13 00 1 59 36 660 8 9p OPEN CLUS c 1 ST 4945...

Page 37: ...1 17 04 8 37 53 480 5 4v OPEN CLUS ENEB c 6 ST 6284 17 04 5 24 45 336 9 0v GLOB CLUS c 2 ST 6293 17 10 3 26 34 474 8 2v GLOB CLUS c 2 ST 6304 17 14 6 29 28 408 8 4v GLOB CLUS c 2 ST 6316 17 16 6 28 08 294 9 0v GLOB CLUS c 2 ST 6322 17 18 5 42 57 600 6 0v OPEN CLUS c 1 ST 6333 17 19 2 18 31 558 7 9v GLOB CLUS CNGC 6333 D 2 ST M9 6341 17 17 2 43 09 672 6 5v GLOB CLUS sp F1 CNGC 6341 D 2 ST M92 X Ray...

Page 38: ...4 18 45 4 09 24 900 8 0v OPEN CLUS CNGC 6694 D 1 ST M26 6705 18 51 1 06 16 840 5 8v OPEN CLUS sp B8 CNGC 6705 C 1 ST M11 Very rich 5600ly 6709 18 51 5 10 21 780 6 7v OPEN CLUS c 1 ST 6712 18 53 1 08 43 432 8 2v GLOB CLUS c 2 ST 6715 18 55 2 30 28 546 7 7v GLOB CLUS CNGC 6715 D 2 ST M54 6716 18 54 6 19 53 420 6 9v OPEN CLUS c 1 ST 6720 18 53 5 33 02 150 9 7p PLAN NEB RING LIKE CNGC 6720 B 4 ST M57 ...

Page 39: ...4 6v OPEN CLUS CNGC 7092 D 1 ST M39 7093 21 39 1 57 30 3000 3 5v OPEN CLUS DNEB II 3 m n IC 1396 b 6 ST 7099 21 40 3 23 11 660 7 5v GLOB CLUS CNGC 7099 D 2 S M30 7143 21 53 4 47 16 540 7 2v OPEN CLUS DNEB IV 2 p n IC 5146 c 6 ST 7160 21 53 7 62 36 420 6 1v OPEN CLUS c 1 ST 7202 22 10 5 52 50 480 9 0p OPEN CLUS II 1 p IC 1434 c 1 ST 7209 22 05 2 46 30 1500 6 7v OPEN CLUS c 1 ST 7243 22 15 3 49 53 1...

Page 40: ... ST 29 03 54 2 31 54 130 2 9v STAR B1 Ib B8 V Zeta Per A 9 ST B 9 2 30 03 57 8 40 01 90 2 9v STAR B0 5 IV B9 5 V Epsilon Per A 9 ST B 7 9 31 03 58 0 13 30 3 0v STAR M0 5 III IIIb Gamma Eri 8 ST Zaurak 32 04 34 0 55 02 2 3 3v STAR A0p III Si B9 IV Alpha Dor AB 9 ST A 3 8 B 4 3 33 04 35 9 16 31 0 9v STAR K5 III Alpha Tau A 8 ST Aldebaran 34 04 49 9 06 57 3 2v STAR F6 V Pi 3 Ori 8 ST Hassaleh 35 04 5...

Page 41: ...Hya 8 ST 89 08 59 3 48 03 40 3 1v STAR A7 IVn M1 V Iota UMa A 9 ST Talitha BC 10 8 90 09 08 0 43 25 2 2v STAR K4 Ib IIa Lambda Vel 8 ST Suhail 91 09 13 3 69 44 1 7v STAR A1 III Beta Car 8 ST Miaplacidus 92 09 17 1 59 17 2 2v STAR A8 II Iota Car 8 ST Turais 93 09 21 1 34 23 3 1v STAR K7 IIIab Alpha Lyn 8 ST 94 09 22 1 55 01 2 5v STAR B2 IV V Kappa Vel 8 ST 95 09 27 6 08 39 2 0v STAR K3 II III Alpha...

Page 42: ...0v STAR A7 III IV Gamma Boo 8 ST Seginus 149 14 35 5 42 10 2 4 STAR B1 5 IVpne Eta Cen 8 ST 150 14 39 8 60 51 210 0 0v STAR G2 V K4 V Alpha Cen A 9 ST Rigel Kentaurus B 1 3 151 14 39 8 60 51 210 1 3v STAR K4 V G2 V Alpha Cen B 9 ST A 0 0 152 14 41 9 47 24 2 3v STAR B1 5 III Alpha Lup 8 ST 153 14 42 5 64 59 160 3 2v STAR A7p Sr K5 V Alpha Cir 9 ST B 8 6 154 14 46 6 27 04 30 2 4v STAR K0 II III A0 V...

Page 43: ...46 40 3 1v STAR M3 5 IIIab G8 IV Eta Sgr A 9 ST B 8 3 210 18 21 0 29 50 2 7v STAR K2 5 IIIa Delta Sgr 8 ST 211 18 21 3 02 54 3 3v STAR K0 III IV Eta Ser 8 ST 212 18 24 2 34 23 1 9v STAR A0 IIInp shell Epsilon Sgr 8 ST Kaus Australis 213 18 28 0 25 25 2 8v STAR K1 IIIb Lambda Sgr 8 ST Kaus Borealis 214 18 37 0 38 47 0 0v STAR A0 Va Alpha Lyr 8 ST Vega 215 18 45 7 26 59 3 2v STAR B8 5 III Phi Sgr 8 ...

Page 44: ...S 1860 9 ST 1980 2 4 234 270 02 37 0 24 39 383 6 6 STAR 6 6 7 4 276 ADS 1982 9 ST 1973 Yellow pBlue 271 02 43 3 03 15 28 3 6 STAR 3 6 6 2 297 ADS 2080 9 ST 1974 Yellow Ashen 272 03 14 1 00 11 11 8 8 STAR 8 8 8 8 139 ADS 2416 9 ST 1980 1 0 144 273 03 17 8 38 38 8 7 8 STAR 7 8 8 3 259 ADS 2446 9 ST 1980 0 9 265 274 03 35 0 60 02 14 6 8 STAR 6 8 7 6 261 ADS 2612 9 ST 1980 1 3 258 275 03 34 5 24 28 7 ...

Page 45: ... 7 1 7 3 069 ADS 10279 9 ST 1980 1 3 069 325 17 05 4 54 28 19 5 7 STAR 5 7 5 7 025 ADS 10345 9 ST 1980 1 9 042 326 17 15 4 26 35 48 5 1 STAR 5 1 5 1 151 ADS 10417 9 ST Orange Orange 327 17 14 7 14 24 47 3 2 STAR 3 2 5 4 107 ADS 10418 9 ST 1968 Yellow Blue 328 17 23 7 37 08 40 4 6 STAR 4 6 5 5 316 ADS 10526 9 ST 1964 329 18 01 5 21 36 65 5 1 STAR 5 1 5 2 258 ADS 10993 9 ST 1953 Yellow pRed 330 18 0...

Page 46: ... CLUS CNGC 6626 D 2 ST M28 M 29 20 23 9 38 32 420 6 6v OPEN CLUS CNGC 6913 D 1 ST M29 M 30 21 40 3 23 11 660 7 5v GLOB CLUS CNGC 7099 D 2 S M30 M 31 00 42 8 41 17 10680 3 5 GALAXY Sb I II UGC 454 B 5 ST M31 Andromeda Gal 178x63 M 32 00 42 8 40 53 456 8 2 GALAXY E2 UGC 452 C 5 ST M32 Comp of M31 7 6x5 8 M 33 01 33 9 30 40 3720 5 7 GALAXY Sc II III UGC 1117 C 5 ST M33 Triangulum Gal 62x39 M 34 02 42...

Page 47: ...GC 7494 C 5 ST M84 5 0x4 4 Near M86 M 85 12 25 5 18 11 426 9 2 GALAXY Ep 2 SYS UGC 7508 CA ST M85 7 1x5 2 M 86 12 26 3 12 56 444 9 2 GALAXY E3 UGC 7532 C 5 ST M86 7 4x5 5 M 87 12 30 9 12 23 432 8 6 GALAXY E1 E0 2 SYS UGC 7654 DA ST M87 7 2x6 8 CNGC 4471 M 88 12 32 1 14 25 414 9 5 GALAXY Sb I MULTI ARM UGC 7675 D 5 ST M88 6 9x3 9 M 89 12 35 7 12 33 252 9 8 GALAXY E0 UGC 7760 D 5 ST M89 4 2x4 2 M 90...

Page 48: ...all of the ingredients used in commercial lens cleaners Pure isopropyl alcohol 90 or more will clean most residual film build up on optical surfaces and metal surfaces too The Three Part Solution You can remove organic materials e g fingerprints on the front lens with a solution of 3 parts distilled water to 1 part isopropyl alcohol A single drop of biodegradable dishwashing soap may be added per ...

Page 49: ...he optics to the same high precision that is performed at the Meade Instruments Optical Laboratories To check the collimation of your LX200 center a bright star that is overhead or use a hot spot of sunlight reflected from a chrome car bumper or a telephone pole insulator with the supplied 26mm eyepiece To evaluate the alignment let the telescope either cool down or warm up to the ambient temperat...

Page 50: ...cross bar connecting the fork arm Behind the Power Panel The LX200 power panel houses the backup replaceable battery 1 Fig 17 for the clock and calendar and a replaceable standard 3 0 amp slow blow fuse 2 Fig 17 The long life lithium battery Panasonic CR2032 3vDC or Duracell DL2032B is stored behind the front panel of the drive base The battery requires replacement every few years Replace the batt...

Page 51: ...e above items are available at most electronics hardware stores Fig 18 shows the LX200 pinouts for the six line telephone connector The table below shows standard IBM compatible DB 9 and DB 25 serial port pinouts and how to connect them to the LX200 six line modular connector NOTE Only 3 wires are required LX200 TEST Program Once you have the RS 232 cable constructed test it with the following pro...

Page 52: ...enths of minutes sDD MM Example 45 59 Range 90 00 90 00 Signed degrees and minutes the represents ASCII 223 which appears on the handbox as a degree symbol DDD MM Example 254 09 Range 000 00 359 59 Unsigned degrees and minutes HH MM SS Example 13 15 36 Range 00 00 00 23 59 59 Hours minutes and seconds MM DD YY Example 02 06 92 Range 01 01 00 12 31 99 see description Month day and year The two digi...

Page 53: ... Command Sw N Returns Ok Sets the maximum slew rate to N per second where N is 2 through 4 4 Home Position Command hS Returns Nothing Starts a home position search and saves the telescope position NOTE All commands except Q and h are disabled during the search Command hF Returns Nothing Starts a home position search and sets the telescope position according to the saved values NOTE All commands ex...

Page 54: ...th the Lo and Ls commands see below Command LI Returns obj info Gets the current object information Command Lo N Returns Ok Sets the NGC object library type 0 is the NGC library 1 is the IC library and 2 is the UGC library This operation is successful only if you have a version of the software that includes the desired library Command Ls N Returns Ok Sets the STAR object library type 0 is the STAR...

Page 55: ...they appear through the telescope This software is available for Windows 3 1 or higher including Windows 95 The program follows Fig 19 Epoch 2000sk software CLS DEFINTA X counter 0 O P E N COM2 9600 N 8 1 CD0 CS0 DS0 OP0 RS TB2048 RB2 048 FOR RANDOM AS 1 KEY ON KEY 1 ON KEY 1 GO TO ON KEY 1 GOSUB key1 KEY 2 ON KEY 2 SYNC ON KEY 2 GOSUB KEY2 KEY 3 ON KEY 3 SLEW ON KEY 3 GOSUB key3 KEY 4 ON KEY 4 FI...

Page 56: ... m IF key t THEN INPUT Enter Star number m o LS m IF key c THEN INPUT Enter CNGC number m o LC m IF key p THEN INPUT Enter Planet number m o LS m o o PRINT 1 o LOCATE 21 15 PRINT PRINT 1 LI info INPUT 33 1 REM LOCATE 10 20 PRINT info OBDRAW LOCATE 6 31 PRINT O B J E C T I N F O R M AT I O N LOCATE 7 31 PRINT Object LEFT info 9 LOCATE 8 31 PRINT Rating MID info 10 7 LOCATE 9 31 PRINT Magnitude MID ...

Page 57: ...T i FOR i 1 TO 30000 NEXT i FOR i 1 TO 30000 NEXT i FOR i 1 TO 30000 NEXT i FOR i 1 TO 30000 NEXT i FOR i 1 TO 30000 NEXT i LOCATE 22 20 PRINT RETURN key3 PRINT 1 RS LOCATE 24 1 PRINT LOCATE 24 18 PRINT CHR 219 CHR 178 CHR 176 CHR 176 CHR 178 CHR 219 RETURN KEY4 PRINT 1 RM LOCATE 24 1 PRINT LOCATE 24 26 PRINT CHR 219 CHR 178 CHR 176 CHR 176 CHR 178 CHR 219 RETURN KEY5 PRINT 1 RC LOCATE 24 1 PRINT ...

Page 58: ...OX RETURN help LOCATE 14 10 PRINT E W N S keys move telescope SPACE BAR stops LOCATE 15 10 PRINT M key to enter Messier object LOCATE 16 10 PRINT T key to enter sTar LOCATE 17 10 PRINT P key to enter Planet 900 orbit LOCATE 18 10 PRINT C key to enter Cngc object LOCATE 19 10 PRINT X to End program RETURN END ...

Page 59: ...ift software Smart Drive Motor Drive Gear Diameter 11 0 Worm Gear Manual Slow Motion Controls Dec and R A Hand Controller Motorola 68HC05 microcontroller 2 line x 16 alphanumeric character display 19 button keypad red LED backlit Main Controller 16 MHz 68301 microprocessor 1 Meg program memory 64K RAM 4096 byte non volatile memory EEROM Telescope Size Swung Down 18 x 26 x 51 Maximum Slew Speed 4 p...

Page 60: ...ng or by calling 949 451 1450 Each returned part or product must include a written statement detailing the nature of the claimed defect as well as the owner s name address and phone number This warranty is not valid in cases where the product has been abused or mishandled where unauthorized repairs have been attempted or performed or where depreciation of the product is due to normal wear and tear...