- Optical Vision Ltd
Contents
1. adjustment screws H 12 Carefully nudge the telescope in horizontal motion using only one finger while observing the movement of Polaris through the eyepiece Fig A 7 This is to determine which direction left or right moves Polaris closer to the center of the eyepiece 13 Next step is to adjust the adjustment screws on the mounting plate according to your finding from step 12 If Polaris moves toward the center when the telescope is nudged toward your right hand side You will need to loosen the adjustment screws near the front of the tube and tighten the ones closer to the back of the tube Fig A 8 and vise versa Fig A 9 Look into the eyepiece Adjust the screws just enough to place Polaris HALF the distance back to the center Fig A 10 FFig A 10 Place Polaris here Polaris Xe 14 Repeat step 7 to 13 until Polaris remains in the center of the eyepiece or moves slightly around the center when the mount is rotate about the R A axis S This calibration method can be applied on both refracting and reflecting telescopes Optical path of different telescope designs does not affect how the telescope tube and tube rings should be adjusted on the mounting plate III APPEND XB PERIODIC ERROR CORRECTION Periodic Errors are found in almost all worm gears due to slight eccentricities and misalignments The PEC Periodic Error Correction Training function provides a manual correcting method to reduce the2. In the Setup Menu choose Set Tracking then PEC Sidereal SynScan will play back the corrections you made during the PEC training cycle and start tracking with periodic error compensated The SynScan will continue to track in the PEC Sidereal mode until another VZ tracking mode is selected If the power is turned off while the SynScan is under S the PEC Sidereal mode the hand control loses synchronization with the R A worm gear and the PEC Training will have to be performed again when the power is turned back on To avoid this be sure to return the telescope to its home position by selecting PARK SCOPE under the UTILITY FUNCTIONS before turning off the power APPENDIX C RS 232 CONNECTION The SynScan hand control must be set to RS 232 mode in order to establish a RS 232 connection with a PC Under the UTILITIES menu in the SynScan hand control select RS232 and press ENTER will launch the RS 232 mode Once in the RS 232 mode the SynScan hand control will communicate with the PC at 9600 bits sec no parity and stop bit All angles are communicated with 16 bit numbers INITIALIZATION 1 PC sends one byte 63 ASCII to check whether the SynScan is ready 2 SynScan responds with one byte 35 ASCII 4 when SynScan is ready to respond CZ All INITIALIZATION steps are recommended but not necessary GoTo R A Dec positions 1 INITIALIZATION 2 PC sends 82 ASCII R 3 PC sends the R A high b
3. Recall Object 11 TECHNICAL SPECIFICATIONS SynScan SPECIFICATIONS Power Supply Motor type and resolution Slew speeds Gear Ratio Tracking Rates Tracking Modes Alignment Method Database Pointing Accuracy 11 to 15 V DC 2Amp Tip positive Microstep driven 1 8 stepper motors Resolution 0 144 arc sec or 9 024 000 steps rev Rate 0 0 5X Rate 1 1X Rate 2 8X Rate 3 16X Rate 4 32X Rate 5 64X Rate 6 400X Rate 7 500X Rate 8 600X Rate 9 800X 705 Sidereal Lunar Solar R A tracking One Star Alignment Two Star Alignment Three Star Alignment 25 user defined objects Complete M NGC and IC catalogues Total 13 436 objects Up to 1 arc min 12 APPENDIX A ENHANCING THE PRECISION Generally speaking the SynScan produces pointing and tracking accuracies edaquate for most applications However if higher precision is required for example for astro photography accurate polar alignment and cone error calibration may be required See the manual for HEQ5 and EQ6 mount for information on accurate polar alignment using the polarscope Cone Error Calibration Cone error is a common inaccuracy found on all German equatorial mount It is a result from the optical axis not being aligned to the R A axis of the mount This affects the pointing accuracy of the SynScan Three Star Alignment automatically compensates for the Cone error If you choose One Star or Two Sta
4. amplitude of the worm errors By recording a full cycle of guiding actions versus motor shaft angle SynScan can work to compensate for the drifting in the RA sidereal tracking caused by the periodic errors Below describes a step by step procedure on how to perform the PEC i PEC Training function is recommended for advanced users interested in long exposure astrophotograhy only Careful guiding is required Regular sidereal tracking is adequate for all casual visual use of the SynScan and PEC Training is not required Co Required accessory Illuminated reticle eyepiece with double crossline pattern capable of producing at least 300X magnification in combination with your telescope The true field of view should not exceed 10 arc min See Choosing the appropriate eyepiece for more information on calculating the field of view PEC Training 1 Perform the accurate Polar Alignment method see HEQ5 EQ6 manual 2 Slew or manually point the telescope to a star with smaller DEC coordinate This object will be used as the guide star 3 Activate Sidereal Tracking from the Setup Menu see Setup Functions Once the tracking has started press ESC to go back to the Setup Menu 4 Rotate the reticle eyepiece until one set of the lines becomes parallel to or matches the R A movement of the telescope see step 2 to 4 of the Cone Error Calibration for more information on how this is done 5 Move the guide star back at the center of the eyepi
5. ENTER to proceed Begin Alignment Press ENTER to proceed to the Plane of local horizon alignment procedure Press ESC will exit to the main menu see SynScan Menu Tree Plane of Celestial Equator The hand control s red light will become dimmer and the key pads will turn off if idle for 30 seconds Pressing any key turns it back on Enter the telescope s current latitudinal and longitudinal position using the numeric keypad First enter the longitudinal coordinate followed by the latitudinal coordinate Use the scroll keys to choose between W or E and N or S Pressing the left or right directional keys will move the cursor to the previous or next number Press ENTER to confirm Enter your current time zone in hours see Appendix B using the scroll keys and numeric key pad for East for West Press ENTER to confirm Enter the date in the following format mm dd yyyy using the numeric keypad Press ENTER to confirm Enter your current local time using the 24 hr time mode e g 2 00PM 14 00 Press ENTER to view the time you entered If it is incorrect press ESC to go back to the previous screen If correct press ENTER again to proceed to the daylight saving setting Press ENTER if you are currently on Daylight Savings time Using the scroll key to scroll down to NO and press ENTER if you are on regular time After setting the daylight saving SynScan will take you to the alignment
6. TELESCOPE TO LOOK DIRECTLY AT THE SUN PERMANENT EYE DAMAGE WILL RESULT USE A PROPER SOLAR FILTER FIRMLY MOUNTED ON THE FRONT OF THE TELESCOPE FOR VIEWING THE SUN WHEN OBSERVING THE SUN PLACE A DUST CAP OVER YOUR FINDERSCOPE OR REMOVE IT TO PROTECT YOU FROM ACCIDENTAL EXPOSURE NEVER USE AN EYEPIECE TYPE SOLAR FILTER AND NEVER USE YOUR TELESCOPE TO PROJECT SUNLIGHT ONTO ANOTHER SURFACE THE INTERNAL HEAT BUILD UP WILL DAMAGE THE TELESCOPE OPTICAL ELEMENTS ntroduction to the SynScan The SynScan is a precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures such as planets nebulea star clusters galaxies and much more The hand control allows you to point your telescope at a specific object or even tour the skies at the touch of a button The user friendly menu system allows automatic slewing to over 13 400 objects Even an inexperienced astronomer can master its variety of features in a few observing sessions Below is a brief description of the individual components of the SynScan hand controller Powering the SynScan The SynScan should be powered by 11 15V DC power supply tip positive capable of producing continuous current of minimum 2 amps Correctly plug the power cord into the 12V DC outlet on the the mount See Fig a and b for HEQ5 mount Fig a 1 and b 1 for EQ6 mount Flip the Power Switch to the on position to turn on the power 6 The power indicator wil
7. as the first alignment star Using the scroll keys choose a star you are most familiar with and press ENTER The telescope will start slewing towards it When the telescope stops slewing adjust its position with the directional keys until the star is centered on the crosshairs in the finder scope Now look through the eyepiece and adjust the telescope so that the object is centered in the field of view of the eyepiece Press ENTER to confirm 3 SynScan will provide a list of objects for the second alignment star Choose a star using the scoll keys and press ENTER Repeat the centering procedure for the second star and press ENTER to confirm 4 Once completed SynScan will display Alignment Successful One Star Alignment One Star Alignment is the easiest and quickest alignment method It requires only one alignment star Below describes a step by step procedure on how to perform the One Star Alignment 1 Make sure the telescope has been polar aligned 2 Inthe alignment screen select 1 Star Align using the scroll keys Press ENTER to confirm 3 The SynScan will provide a list of stars available in your current sky for alignment Using the scroll keys choose a star you are most familiar with and press ENTER When the telescope stops slewing adjust its position with the directional keys until the star is centered on the crosshairs in the finderscope Now look through the eyepiece and adjust the telescope so that the object is cent
8. control operations E See Appendix C for more 6 Do not disengage the SynScan unit before information on RS 232 you disengage the program Doing so may connection cause some programs to freeze Auto Guiding GP The SynScan has a designated autoguider interface on the mount for use with 1 NC an auto guider see Fig a a 1 The pin outs on the 6 pin modular connector is 2 Ground ST 4 compatible and can be used for most autoguiders on the market Refer to 3 RA left Fig o when connecting the autoguider cable to the SynScan and calibrating the ee aoa autoguider Relay box can be added for extra protection Note that the four inputs 6 RA right are active low with internal pull ups Guiding speed can be adjusted using the 65432 Auto Guide Speed function in the Setup Menu 10 SETUP MODE UTILITY FUNC TOUR OBJECT IDENTIFY CATALOGUE Date Show Position Time Display Time Solar System Observ Site Park Scope Mercury Daylight Saving RS 232 Venus Mars Alignment PEC Training Jupiter 1 Star Align Saturn 2 Star Align Uranus 3 Star Align Neptune Set Backlash oon Set Tracking Sidereal Rate Named star Lunar Rate IC Catalogue Solar Rate NGC Catalogue PEC Sidereal Rate Single Star Stop Tracking Double Star Auto Guide Speed Globular Star 1X 0 75X Uncertain Star 0 5X Galaxies 0 25X Cluster Nebula Reflection Nebula Planetary Nebula Open Clusters User Defined Input Coordinate
9. its position with the directional keys until the star is centered on the crosshairs in the finder scope Now look through the eyepiece and adjust the telescope so that the object is centered in the field of view of the eyepiece Press ENTER to confirm Ez The slewing speed can be adjusted by pressing on the RATE button Then choose a number between 0 slowest 9 fastest CF SynScan will beep once when it has finished slewing to an object Do not try to adjust the telescope before you hear the beep SynScan will only respond to the ESC key while slewing 3 SynScan will provide a list of objects for the second alignment star Choose a star using the scoll keys and press ENTER Repeat the centering procedure for the second star and press ENTER to confirm 4 SynScan will once again provide a list of objects for the third alignment star Choose a star from the list and press ENTER Once again repeat the centering procedure for the third alignment star 5 Once completed SynScan will display Alignment Successful Two Star Alignment Two Star Alignment requires only two alignment stars but may produce lesser pointing accuracy than the Three Star Alignment Below describes a step by step procedure on how to perform the Two Star Alignment 1 In the alignment screen select 2 Star Align using the scroll keys Press ENTER to confirm 2 The SynScan will provide a list of stars available in your current sky for you to choose
10. now access and view the 13 400 different objects in the SynScan database There are three methods of selecting a celestial object to view SHORTCUT KEYS TOUR Takes you on a preset tour across your current sky It GD Fig i will automatically choose from the database the brightest and most beautiful deep sky objects for your viewing pleasure Use the down scroll key to view through the deep sky objects Choose the desired object by pressing ENTER It will show the coordinate of the chosen object Pressing ENTER once more will CC cause the telescope to slew to the object M NGC IC These shortcut keys give you access to the most popular celestial catalogues to date Each Catalogue has a set number of objects to choose from Use the numeric keys to O CA select an object by entering its number Pressing ENTER will display its coordinate Primary information such as size magnitude and constellation are obtained by pressing the scroll Fio keys Pressing ENTER once more will cause the telescope to slew to the object CD CE PLANET This shortcut key takes you straight to the Planets TD o sub menu in the database Use the scroll keys to scroll through Ts CS the list of planets in our solar system Press ENTER to view its v CD oy coordinates and ENTER once more to slew to the planet 8 USER This will take you to the database that you have defined for yourself You can enter a new location or recall the objects O CA tha
11. the different types of functions available to you and their purposes Date Allows you to change the date entered at the initial setup Time Allows you to change the current time Observing site Allows you to change the current location Daylight Savings Allows you to change the Daylight Savings option Alignment Allows you to perform the star alignment See Alignment Set Backlash This feature allows you to insert a value for each axis to compensate for its backlash For better pointing accuracy it is important that the backlash value is set to be equal or greater than the real amount of backlash between the gears If the real amount of backlash is unknown we recommend that you set the value to 5000 equivalent to approx 0 2 First set the value for R A Press ENTER to proceed to Dec Set Tracking Sid Rate This activates tracking in Sidereal rate R A Tracking Lunar Rate This activates tracking in Lunar rate R A Tracking Solar Rate This activates tracking in Solar rate R A Tracking PEC Sidereal Rate Sidereal rate with Periodic Error Compensation Stop Tracking This stops the tracking instantly Auto Guide Speed When using an autoguider this sets the guiding speed to 1X 0 75X 0 5X or 0 25X sidereal rate U sing the User Defined Database SynScan allows you to save up to 25 objects in the user defined database Saving an object to the database D 1 Press the USER key Fig l or select
12. INSTRUCTION MANUAL synscan NIZ TABLECF CONTENTS i Ske 2 a A mii ic anii nl i iai aia 3 Introduction to the SynScan 3 Powering the SynScan 3 SynScan Hand Control 3 HANDCCNTROLCPERATION 5 UT ee A d A eu ina i Aa mi di ic d uta aaa 5 Star Alignment ones 6 OBJECT CATALOGE 8 Object database in the EQ6 SynScan 8 Selecting an Object 8 OTHER FEATURES 9 Whility FUNCIONS 4232435 S5 SSee E Sti eS Ne Aas Sate 9 Setup Functions 9 Using the User Defined Database 5mm mmnm Hmmm 9 Identifying an Unknown Object 10 Linking with a Computer ______ n 10 Auto Guiding 10 SynScan MENUTREE 11 TECHNICAL SPECIFICATIONS 2 22222222255 12 APPEND XA ENHANCING THEPRECISION I APPEND XB PERIODIC ERROR CORRECTION IV APPENDIXC RS 232 CONNECTICN i ai VI APPENDIX D STANDARDTI MEZONES CF THEWORLD VII NEVER USE YOUR
13. USER DEFINED under the object catalogue Press ENTER 2 Choose INPUT COORDINATE and press ENTER to confirm 3 You can choose to enter the location by its R A and Dec or telescope C altitude and azimuth coordinates Press 1 R A and Dec or 2 Alt Azimuth to make your selection By defalt SynScan will display the current R A Dec or Alt Az coordinates Change the coordinates using the numeric keypad and scroll keys Press ENTER to save Ww CA 4 The SynScan will ask you to choose a number between 1 to 25 Select the number you wish to represent the coordinate using the scroll keys Press ENTER to confirm Once a number is given to the coordinate the hand control will display View Object Pressing ENTER will cause the telescope to slew to the coordinate Press ESC to exit Selecting an user defined object 1 Press the USER key or select USER DEFINED under the object catalogue Press ENTER 2 Choose RECALL OBJECT and press ENTER to confirm 3 Select the number representing the object you wish to view using the scroll keys Pressing ENTER will show its coordinate Press ENTER again to choose the object 4 The SynScan will display View Object Pressing ENTER will cause the telescope to slew to the coordinate Press ESC to exit Identifying an Unknown Object PF ig SynScan has the ability to identify the unknown object the telescope is currently pointing at To do so simply 1 Press the D key Fig m
14. ece view using the direction keys 6 On the hand control select PEC Training in the Utility Functions and press ENTER Ee Utility Functions can be easily accessed by pressing the UTILITY quick reference hotkey on the keypad 7 Select the R A guide speed for the PEC training 8 The SynScan hand control will display the current time once the guide speed is selected indicating that the recording has begun 9 Using the LEFT or RIGHT direction key only move the telescope so the guide star remains at the center of the eyepiece view Fig D D 1 Repeat whenever necessary D D je RA e R A The Guide star drifts Adjust the telescope to move the away from the center guide star back to the center IV 10 For 8 minutes 10 minutes and 30 seconds for HEQ5 the EQ6 SynScan hand control records the manual guiding actions in order to characterize the periodic errors Pressing ESC will stop the recording immediately and exit from the PEC training function Guiding actions are recorded even when the PEC training is stopped midway In this case the PEC Sidereal tracking will not be accurate until a full cycle of the PEC training is performed 11 The SynScan will beep and display Record completed when the training time is up Press any key to exit from the PEC training Play back the PEC record PEC tracking can be activated under the Setup Menu or pressing the SETUP quick reference hotkey on the keypad when needed
15. he telescope is being rotated eyepiece view 5 Point the telescope to North and set the latitude scale to your local latitude using the altitude adjustment T bolts or place Polaris on the crosshair of the polarscope if your polarscope is perfectly aligned with the rotation axis of the mount 6 Loosen the R A lock knob and rotate the telescope around the R A axis until the counterweight shaft is parallel to the ground Fig A 2 7 Using the Dec direction key on the hand control adjust the telescope in Dec so Polaris sits on the R A lines of the reticle eyepiece Fig A 3 8 Without moving the R A axis adjust the azimuth control knobs to bring Polaris to the center of the eyepiece Fig A 4 Adjustment in Dec axis using the hand control may be necessary Dec Polaris O RA Place Polaris on the R A line 9 Loosen the R A lock knob and carefully rotate the telescope 180 in R A axis Fig A 5 This should be done as accurate as possible using the R A setting circle 10 Once again adjust the telescope in Dec so Polaris sits on the R A lines of the reticle eyepiece see Fig A 3 11 Now take a closer look at the mounting plate underneath the telescope tube There should be a set of screws on each end next to the tube ring locking screws Fig A 6 If your mounting plate does not have these screws or screw holes you will need to make modification to the plate tube ring locking screw adjustment screws
16. iece view without adjusting the Dec axis it is likely that cone error exists in your telescope setup Calibration Procedure 1 Insert the illuminated reticle eyepiece Make sure that T Required accessory Illuminated the telescope is properly set up and balanced and the reticle eyepiece with double finderscope is perfectly aligned with the telescope tube crossline pattern Depending on the design of your mounting plate Lo Step 2 to 4 is to identify R A and Dec movements dovetail bar modifications may in the reticle eyepiece If you are already familiar be required See step 10 for the with the movements you may skip to step 5 required mechanism on the mounting plate 2 Find any bright star and place it in the center of the eyepiece view 3 Look into the eyepiece Move the telescope in R A axis using the R A direction keys on the hand control Fig A 109 while carefully observing the movement of the star movement 4 Keep moving the the telescope in R A axis back and k of the star forth to keep the star within the eyepiece view Rotate the eyepiece until the movement of the star becomes ee parallel to or matches any set of the lines Fig A 1 Sa This set of lines will represent R A movement in the e course of this procedure and the perpendicular lines rotate eyepiece will represent Dec movement Tigthen the set screws this way to secure the eyepiece in place Make sure that the eyepiece will remain stationary when t
17. l flash when the power is low Continue to use the battery at this point may damage the battery The power indicator will flash rapidly when the power is extremely low Continue to use the same battery may damage the SynScan system S ynscan Hand Control The SynScan hand control cable for the HEQ5 has a RJ 45 connector on both ends Plug one end into the hand control Fig c and the other into the outlet on the mount Fig b Push the connector into the outlet until it clicks into place The SynScan cable for the EQ6 mount has a RJ 45 connector on one end and DB9 on the other Plug the RJ 45 connector into the hand control Fig c Push the connector into the outlet until it clicks into place Plug the DB9 connector into the outlet on the mount Tighten the screws to secure the connector in place Fig a 1 The RJ 11 4 pin port is used for RS 232 communications between the SynScan and a computer see Linking with a Computer The DC power port allows independent use of the SynScan hand control for users who wish to browse the database without connecting to the telescope Fig c to power supply HEQ5 Bird s eye view power switch to power supply power indicator power switch e LAR RJ 45 RJ 11 DC power port Z 6 The DC power port on the hand control is for hand control stand alone applications only For telescope applicaions use the 12V DC outlet on the mount The SynScan Hand Con
18. menu If a mistake was entered into the SynScan hand control press the ESC key to go back to the previous menu and press ENTER to start again Apparent movement of stars Star Alignment In order for the SynScan to correctly point to objects in the sky it must first be aligned to one to three known positions stars in the sky As the Earth rotates on its axis every 24 hours astronomical objects appear to move through the sky following an arc With the supplied information the telescope can replicate a model of the sky and the movements of astronomical objects There are three ways to align the SynScan depending on your demand for accuracy If you are using the SynScan for the first time we recommend that you begin with the Three Star Alignment In most cases this produces the most accurate alignment among the three methods Before performing any of the alignment methods be sure that your finderscope is well aligned with the telescope tube Below describes a step by step procedure on how to perform the Three Star Alignment Three Star Alignment 1 Inthe alignment screen select 3 Star Align using the scroll keys Press ENTER to confirm 2 The SynScan will provide a list of stars available in your current sky for you to choose as the first alignment star Using the scroll keys choose a star you are most familiar with and press ENTER The telescope will start slewing towards it When the telescope stops slewing adjust
19. or scroll down to IDENTIFY in the C main menu and press ENTER to identify the object 2 If it is a truly unknown object the hand control will take you back to the IDENTIFY menu 3 Press ESC to exit from this function Ww CA Linking with A Computer Another feature of the SynScan is the ability to connect to a computer via a serial cable Many commercially available planetarium softwares can be used to control the SynScan Look for softwares compatible with NexStar5 Below describes the procedure on how to connect and disconnect the SynScan to a computer 1 Make sure that the telescope has been aligned D Hand Control 2 Connect the RS 232 cable to the RJ 11 connector on the hand control and to the COM port of your computer Fig n 7 Fy 3 On your SynScan hand control select RS232 under the UTILITIES menu Press ENTER to go to RS 232 mode 4 In the planetarium software of your choice choose RJ 11 Celestron NexStar5 in the driver setup and follow the instructions provided by your program to establish the connection to the telescope The SynScan should be 1 NC under the full control of your computer once the E 2 TD RJ 11 Pin outs aa 3 GND connection is successfully established 4 GND E 5 RD 6 NC Disconnecting from the computer 1 Follow the instructions provided by your software to close the connection to the telescope 2 On the SynScan hand control press ESC to resume normal hand
20. ottom of the hand control They serve two distinct purposes data entry and quick reference hot keys TOUR key Fig f takes you on a preset tour across the sky you are currently under RATE key Fig f changes the speed rate of the motors when the direction keys are pressed There are 10 speeds to choose from 0 slowest to 9 fastest UTILITY key Fig f shows functions such as Show Position Display Time etc USER key Fig f gives access to up to 25 user defined coordinates ID key Fig f identifies the object the telescope is currently pointing to NGC IC M PLANET and OBJECT keys Fig g allow direct access to SynScan database of over 13 400 objects Dio GD D QOQO Coa ERP Sc 992 DV HAND CONTROL OPERATION This section provides a step by step procedure on how to operate your SynScan hand control nitial Setup 1 2 Flip the Power Switch on the The initial screen displayed on The hand control will display Perform the Polar alignment using the polarscope Northern Hemisphere Point the telescope roughly to the North Celestial Pole or ED Zenith Polaris if you are in the Northern Hemisphere Point to the South Celestial Pole if in Southern Hemisphere Make Right sure the counterweight rod is pointed down as seen in Fig h This will be the home position of the telescope mount to the ON position to turn on the power S the hand control is the Version Screen Press
21. r Alignment method you will need to perform manual mount calibration to eliminate the cone error The following calibration procedure should be performed before the initial use of the telescope and periodically thereafter to ensure the accuracy Testing for Cone Error This test is done at night using two bright stars located on the opposite side of the sky Make sure the telescope is properly polar aligned using the polarscope Perform the One star Alignment using an eastern star as the alignment star see One star Alignment After the star alignment choose a bright star on the western sky from the SynScan object database and have the telescope slew to the star If the optical axis is perfectly aligned to the R A axis the telescope will accurately put the star in the center of the eyepiece In this case there is no cone error in your telescope setup and you will not need to perform the calibration It is acceptable if the star is slightly off center as long as it is in the eyepeiece view and close to the center Many factors determine the pointing accuracy of the SynScan for example incorrect star alignment R A or Dec lock knob being lose or cone error If your telescope puts the star outside the eyepiece view you need to first determine whether it is cone error that causes the pointing inaccuracy To find out simply move the telescope in R A axis by pressing the Left or Right direction key If the star can be moved into the eyep
22. red in the field of view of the eyepiece Press ENTER to confirm 4 Once completed SynScan will display Alignment Successful NEVER USE YOUR TELESCOPE TO LOOK DIRECTLY AT THE SUN PERMANENT EYE DAMAGE WILL RESULT USE A PROPER SOLAR FILTER FIRMLY MOUNTED NIZ ON THE FRONT OF THE TELESCOPE FOR VIEWING THE SUN WHEN OBSERVING S THE SUN PLACE A DUST CAP OVER YOUR FINDERSCOPE OR REMOVE IT TO PROTECT YOU FROM ACCIDENTAL EXPOSURE NEVER USE AN EYEPIECE TYPE SOLAR FILTER AND NEVER USE YOUR TELESCOPE TO PROJECT SUNLIGHT ONTO ANOTHER SURFACE THE INTERNAL HEAT BUILD UP WILL DAMAGE THE TELESCOPE OPTICAL ELEMENTS OB ECT CATALOGUE Object database in the SynScan The SynScan comes with a vast database with over 13 400 objects coordinates and information all available in the palm of your hand The database contains the following catalogues Solar System The other 8 planets of our solar system plus the Moon Named Star A list of 100 best known stars from the SynScan database NGC 7 840 of the brightest deep sky objects from the Revised New General Catalogue IC 5 386 of standard stars and deep sky objects from the Indexed Catalogue Messier Complete list of 110 Messier objects Others There are also Single Stars Double Stars Globular Clusters Uncertain Stars Galaxies Clusters Nebulea Reflection Nebulea Planetary Nebulea and Open Clusters Selecting an Object Once the telescope has been aligned You can
23. scope net Support html for manual download http www SkywatcherTelescope net Gallery html for pictures taken with Sky Watcher Telescopes http www SkywatcherTelescope net ProductsTREFR html for more products available by Sky Watcher NEVER USE YOUR TELESCOPE TO LOOK DIRECTLY AT THE SUN PERMANENT EYE DAMAGE WILL RESULT USE A PROPER SOLAR FILTER FIRMLY MOUNTED ON THE FRONT OF THE TELESCOPE FOR VIEWING THE SUN WHEN OBSERVING THE SUN PLACE A DUST CAP OVER YOUR FINDERSCOPE OR REMOVE IT TO PROTECT YOU FROM ACCIDENTAL EXPOSURE NEVER USE AN EYEPIECE TYPE SOLAR FILTER AND NEVER USE YOUR TELESCOPE TO PROJECT SUNLIGHT ONTO ANOTHER SURFACE THE INTERNAL HEAT BUILD UP WILL DAMAGE THE TELESCOPE OPTICAL ELEMENTS
24. t have been previously saved see Using the User Defined Database OBJECT MEY The OBJECT key takes you to the Objects Catalogue where GD Fig j you have complete access to over 13 400 celestial objects in the database See Object database in the SynScan and the menu tree OBJECT CATALOGUE MEN In the Main Menu scroll down to OBJECT CATALOGUE and Fig k press ENTER Similar to the OBJECT key this gives you the ee complete access to all 13 400 celestial objects in the database See Object database in the SynScan and the menu tree NGC 2000 0 database edited by Roger W Sinnott copyright by Sky Publishing Corporation Used with permission OTHER FEATURES U tility Functions Utility Functions are useful tools that provide simple one step processes to your SynScan Show Position This displays the coordinates of the location where the telescope is currently pointing Display Time This displays the local time and local Sidereal time Park Scope This moves the telescope to the Home position RS 232 mode This allows linking to a computer See Linking with a Computer PEC Training See Appendix D for information Setup Functions The Setup functions allow you to change any system variable or information regarding location time date and alignment configurations To access the Setup Functions either press SETUP key on the key pad or scroll to SETUP under menu option using the scroll keys Below lists
25. trol allows direct access to all the motion controls of the telescope and a database with a range of preset objects The Hand Control comes with a dual line 16 character display screen that is backlit for comfortable viewing of the telescope information and scrolling text To explore the many functions that the SynScan has to offer there are 4 main categories of control on the Hand Control Fig d Mode keys The mode keys are located near the top close to the LCD display They include the ESC ENTER and SETUP keys ESC key is used to escape from a certain command or to go back a level in the menu tree ENTER key is used to select the functions and submenus in the menu tree and to confirm certain functional operations SETUP key is a quick hot key that takes you to the Setup submenu Directional keys D Display screen Dual purpose keys Scroll keys The directional keys allow complete control of the telescope at almost any step in the SynScan s operation These controls are locked out when the telescope is slewing to an object They are normally used to initially align center objects in the eyepiece and manual guiding The left and right directional keys can also be used to move the text curser when entering data to the hand control Scoll Keys Fig e The up and down scroll keys allow you to scroll up and down within the menu tree or selections Dual Purpose keys These keys range from the middle to the b
26. yte RA low byte Dec high byte Dec low byte 4 When the scope is finished slewing it will send back a GoTo Alt Az positions 1 INITIALIZATION 2 PC sends 65 ASCII A 3 PC sends the Azm high byte Azm low byte Alt high byte Alt low byte 4 When the scope is finished slewing it will send back a Get R A Dec positions 1 INITIALIZATION 2 PC sends 69 ASCII E 3 SynScan sends the R A high byte RA low byte Dec high byte Dec low byte Get Alt Az positions 1 INITIALIZATION 2 PC sends 90 ASCII Z 3 SynScan sends the Azm high byte Azm low byte Alt high byte Alt low byte Physical Connection Diagram RJ 11 Phone Jack 1 NC 2 DB9 Pin2 3 DB9 Pind 4 NC 5 DB9 Pin3 6 NC DB9 Pin 2 PC Receive PC Transmit DB9 Pin 5 Ground VI APPENDIX D STANDARD TIME ZONES OF THE WORLD WEST lt 0 EAST fo O v6 se ge North Pacific Ocean O o Ole o SA e 4 O O e e o d a O South South w o Pacific Atlantic Ocean Ocean 4 o o o VII NIZ SynsScan Visit http www SkywatcherTelescope net WhatsNew html for SynScan updates http www Skywatcher Telescope net FAQ html for frequently asked questions and answers http www SkywatcherTelescope net EducationTBOD html for general information on telescopes and viewing tips http www SkywatcherTele
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