Takahashi EM-400 Temma 2M Instruction Manual Download Page 1 | Manualshive

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Summary of Contents for EM-400 Temma 2M

Page 1: ...Equatorial Mount EM 400 lemma 2M INSTRUCTION MANUAL TAKAHASHI ...

Page 2: ... do not over tighten the tube holder clamps Doing so could distort the telescope tube and cause the telescope to decollimate Place the mount on the flattest ground at the observing site It is im portant that the tripod be set on the flattest ground available to pro vide a stable base for the mount Exercise great caution when sliding the 8 kg counter weights on to the counter weight shaft and after...

Page 3: ...ontents _ 3 Layout 01 the EM 400 Temm1l2M Equatorial Mount 6 Features of tha EM 400 Temma2M Mounl 7 Layout 01 the Control Panel 8 Precautions 11 Assembling the Tripod 12 Mount Counter Weight 13 Tube Holdel 14 DisaSMmbling the Mount 15 Balancing 16 Al imuth Altitude Adjustment 18 Sett n9 the Reticle OffMtl21 23 Polar Alignment in Low Latitudes 8elow 20 24 How to Use the Motor Olive System 25 Proced...

Page 4: ... stepping motor Azimuth adjusunenl 10 finely with dual screws 360 freely with the dedicated turntable Altitude adjustment Dc _ 47 ML 15 58 Hl Loading capacity 35kg 77 Ibs Gross weight Head unit 22 Jkg 49 Ihs Base unit 5 2kg l Ibs Weight shaft 2 0kgl4 4Ibsl Polar alignment scope Built in 11K 3 setting accuracy Scale p mllrn quick reference type good until 2040 in the Northern Hemisphere with illumi...

Page 5: ...ual operalion Dec 0 15 14 65 arc seclsec by 1 5 arc sec see stepless by the speed control provided on the control pad Mode indic llo High speed ralion led light Normal rlltion green lighl Power Source DC12V Power Consumplion Sidereal rate Approx O SA High speed on both axes 3 5A Stal1 5 1A Go To Operation By a PC Go To Disc F egasus21 or other compatible software Accessory RS232C cable Tamma2M aut...

Page 6: ...Layout of the EM 400 Temma2M Equatorial Mount Sefety nut T Hold Plot Fir I ...

Page 7: ...Oi easier polar alignment The encoders are built in to the the mount to eliminate cables lind allow the EM400 Temma2M 10 be used without having cables wrapping around the mount when it is used The control bolt cables i1 e attached to a recessed control box in the base of the RA assembly to keep the control cables from being twisted The tube holder base is provided with the four hole pattern of the...

Page 8: ... 10 the terminal This mounl operates on 12v DC only Auto Guider The terminal is used to connect an auto guider to the mount There lfl three cables available with the following terminations RJ_14 5T 4 lind ST 7 Control Box This is the connector for the hand control ix l Before inserting the cable into the con nector makll certain that the pins are aligned PC This terminal is connected to the comput...

Page 9: ...n the field of view AA Mode Reversal Switch AI with the Dec switch this is used to re verse the direction in which a star is moved to match the position of the R A bunon so that when the left button is pressed the star moves to the left in the field etc DecSpeed Dial In the Normal Speed Mode this diat adjusts the speed at which a star i eente ed in the Dec direction fro 0 15 to 14 85 IfC seconds p...

Page 10: ... the u er can center the object the fiefd Bnd release the shift bu on which will resynch onize e coordinates of h object to the moun This war s only with the object of e slew Drive Rate Selee 0 This dial is us d 0 seleot the drive rate either sidereal or 50lar The 1 posi on on the dlal is e sidereal rate and the 2 position is solar For e Southern Hemispnere A is sid real and B is e solar rate All ...

Page 11: ...last a life ime Do not attempt to re Iubr cate your moun Pilease contact your dealer if service s necessary 4 Contact you local dealer for factory ser vice to he moun The rno n can be servlice by factory trained technicians thereby maintain the warrantee 5 When he polar elescope co va is r e moved be car e ul notto inse a finger in the aperture when the Dec shaft is turned to allow the polar teles...

Page 12: ... of holes it U1ft etal tripod brackets Insert t e wling nuts from the but ton but do no tigh en them Then spread the tripod leg sas far as hey will go and tighten the wing nuts This will insure the maxim tun sta ilily 0 the tripod Refer to Fig 10 Ad ustable MetaJ ripod SR This adjustable metal ripod is use as an alternative to the wooden SR tripods to al low the user to vary the set up height of t...

Page 13: ...o h Allen wench E atonal mount _ I Weight S f ty nu Azimu screw Attach ng he Counter Weigh and Sha Re ove the con er weight shaft safety nu and carefully set he counter weigh s one a a ime on to the counter we gh sha and ighten t e oc screws Rea ch he sa ety and con inue e balancing procedure It is bes 0 set t e counter weight shaft pa allel 10 the ground to balance he instrumen In the RA axis Ref...

Page 14: ...tube ho de plate two 8mm holes are provided to attach any refractor tube holder with 0 holes in ITs base In e event the 1 180 or 11 210 or j1 250 use the ube holde adapter which will raise the saddle plate of the telescope above the base When the set screws located in he side of the head are loosened the tube holder plate Cil be otated 0 any position Be certain Lo e ighten these screws before atta...

Page 15: ...order to separa1e the un ts loosen e Allen screws located just below the head uni on he base nit Now the head unit is rem oved and lifted from the base ni for easy trans ort or storage Refer to F g i 6 nosen e clamp scr ws 1un n he line can be seen Fig 17 Cau 10 In order to loosen the clamp screws never fail to use he Allen wrench pro vided with the moun 0 he wenches can damage the base unit Fig 1...

Page 16: ...t it will be necessary 0 bal ance the load in he A A and the Dec The first step is t o clamp the A A and unclamp he Dec Hold the ube of the tele scope in the event it is out of balance Then 1005 en the tube clamp sligh ily so tllat the tube can be moved i either direction Move the tube in either di ection un i it balances When he t be n ba I a ced ti 9hten the c amp Refer Lo Fig 9 fig 19 Next loos...

Page 17: ...mped ndthe motors w ill be engaged for pQsi ioning the mount Ae er o Fig 211 and 22 W en you want to p lace a object in he leld of view of he finder manually move the mOlunt Unclamp he RA and Dec clamps to allow the mount to be moved manually to he desired location in he sky No e T1glhte ing eng ages he drives while loosening allows the axes to be moved manlJallly to any desired positJio Be carefu...

Page 18: ...g This is absolutely nec essary in orde to polar align the E 400 Temma2M mount As soon as the mount has been polar aligned he nut can be tigh ened up The base part of the mount can now be set over the silver fl nge that is located at the top of the tripo dapter Tum the base un il the alirnuth adjusters are over the leg pointing to the north and in the direction as close to Po a is 5 possible This ...

Page 19: ...rcle is the da e scale 81nd he inner scales the time scale Towards the center are the scales for the Polaris in the 0 hern Hemi sphere Time Scale Remove the cover f om he polar Hglilmen t elescope Unclamp the Dec clamp and loak down he polar telescope from the rna nt until the hole on he coun er weight sh ft parmi 5 he objective of he polar telesco e to be totally seen when he posi ion of the Dec ...

Page 20: ...AL STA DARD CST 90 MOU AI STANDARD MST 05 6 PACIFIC STANDARD PSn 120 0 In 0 her time zone keep adding or sub ract ing 15 to app oxima e the longitude of the obvserving site o ce t e three factors are known hen po lar alignment can begin Turn the Dec shaft unfl the hole on the counter weigh shaft is lined up w h the polar alignmen telescope and turn on the computer stand by switch located on the co...

Page 21: ...s the longitude for observing in Japan Substi tute tha appropriate longitude for observ ing siles in North America Use the chart on this page to delermine the time zone of the observing sileo In order to achieve the highest possible accuracy the time used must be the standard time lor the site If the observing takes place during daylight saving time subtract 1 hour from the time to convert back to...

Page 22: ...s no necessary for he mount to e leveled I fact due 0 e fact that cen tering he bubb e levels the reticle the mount can be S8 up on he side of a hill 4 Turn on the reticle illuminator and sa the brightness so tha he stars can be see 5 Using he al itude and azimuth adjust ers on the mount move the Polaris to he 2005 mark in the retide and lock he adjustments Seethe ilIstration below The Polaris sho...

Page 23: ...oll 40 N 05 20 E 4 3 20 N Marseille 48 10 I 11 40 E I ulchen 51 07 E Kaln Berti 52 30 13 30 I Hamburg 53 40 N 10 E Fig 32 1 In order to use the re Cle for he polar Iig1 nmen you must now of the Iiongi tude 0 your obse ving site Charts and maps will help you to determine the lati tude and the long tude of you observ ing si e Listed below are the latitude and he long ude ofthe major ci ies in IFranc...

Page 24: ...so Hsted as a guide Place Polaris in top line in he cen er of scale then ulsi ng the width of the scale of 09 i I dep ess Polaris the a pro xima e dis ance to offset the refraction The scale at t e top left of the pag e can be used 0 determine the offset for Pola is Tr po Adjustment The alt ude range of the EM 400 ML mount is 0 to 47 When th e mount s at a latitude 15 it is necessary to place the ...

Page 25: ...ain thear rowan the plugl wi h white out so tha it can be easily seen n he dark ConnHctingl the 12v DC power sourc e Be certain that he power switch s in t e OFF position before co ecting he power source If alligator clips are used cUp th e red clip 0 the ad terminal and the b 1 ck allLgator clip to the black termina Then care uly inse the power plug into fhe DC 1 2V plug making ce I ain the plug ...

Page 26: ...he motor drive High Speed Mode The EM 400 T 2M is designed to ii 1lclude a high speed s e otion for botl axes The can be used to move the mount oa de sired ocation without using t e go toOl op ir tiol1 or fast motion 0 move an object to he cen e of fle1ld of view of the finder or telescope lip the swi ch to he NSI HS mode to the HS Hig h Speed positio The drive light will chang e from green NS No ...

Page 27: ...rusl has no affect on the Dec auto guiding lpeed set by the customer s computer Mode Reversal Switches During and observing session the observer may note that the motion of a star In the field when the centering bunCOlare pressed does not coincide With the position of the bullon on the hand control For example If the Dec up bullOn is plessed the sun moves down in the field and if the RA down left ...

Page 28: ...uClions deSCfibed in the Pe jjasus 21 manuol Shift button When the direction buttons lie pressed while pressing he Shift button the encoder signals lor the direction given bv the direc tion bulton are cancelled and then he cor rection drive can be done This is useful to conect Ihe position of Ihe object brought off the center 01 the view field by gO lo op eration wilhool modifying the coordinate o...

Page 29: ...plished when the instrument and packing Ilfe being balanced II is then easy to move the InstrumenllO any position and chech to see if everything wilt clear the mount Doing so will insure 00 trouble of go to opellllion of the EM 400 Temma2M mounl Be certain before operallon thaI go Io can be done safely You must be always ready for en emergency The gO lo mount will give OUI emission Which mav affec...

Page 30: ...most aula guider cameras F e 39 Auto Cluide CoonectOl Chart Warning Under no c ircumllanclIl should the mechanical ofekletri l components be modifoed bv the Utef any repair 01 ad justment mUll be made by the Takahashi service centurlo mointain the wlmanty Failure to comply with this requirement will void the Wlrrnatv lkQ IM _ _ _ o JVV L _ _ _ r s J r C c T r oc C r L o Fi 40 30 ...

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