Instruction/ maintenance manual of the product IEQ75-GTTM iOptron
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SmartStar ® iEQ75-GT TM Instruction Manual.
2 Table of Content Table of Content ................................................................................................................................................. 2 1. iEQ75-GT TM Overview ...........................................
3 5.5. Align ..................................................................................................................... ................................. 25 5.5.1. One-Star Align..............................................................
4 1. iEQ75-GT TM Overview The iEQ75-GT™ is a one-of-a-kind premium CNC-ma chined astro-imaging mount from iOptron. The iEQ75-GT™ offers the next generation GoTo technology fr om iOptron.
5 2. iEQ75-GT TM Assembly 2.1. Parts List 1 The parts comes with the iEQ75-GT TM order include an EQ mount (Figure 1), one mounting plate (Figure 2), 2 counterweights and an CW shaft (Figure 1). Other parts are, as show n in Figure 4, an 8406 hand controller, coiled hand contro ller cable, a Vixen dovetail saddle, R.
6 Figure 3. Counterweights and CW shaft Figure 4. Included accessories.
7 2.2. Assembly terms Mounting plat e DEC U nit DEC DI N ca bl e Polar Axis Cover Main cont rol bo x Polar Scope Co ver Lat. Locking Screw Azi. Adjust. Knob 8406 Hand Control ler Azi. Locking Screw CW Shaf t Counterwei ght (CW) CW Safety Scre w R.A. Unit Alignment Peg Tripod Head Tripod Lock Tripod Spreader Tripod Leg Leg Lock Screw Figure 5.
8 2.3. iEQ75-GT TM Ports Figure 6. Ports on iEQ75-GT TM control box • R.A. and DEC motor: For connecting to R.A. and DEC driver unit • Power: Power switch • DC 12V: 12 volts DC power plug (cente.
9 and short exposure photos, but not good enough for serious astrophotography. Alt-Az mounts require star alignments for the OTA to track stars and t hey do not have adjustment components on the mount. Equatorial mounts require alignment of the mount components as well as star a lignments for accurate OTA tracking.
10 Figure 7. Tripod Figure 8. Attaching the mount STEP 3. Connect Cables Figure 9. Cable connections There are two DIN 6 cables that have C091 connectors on both ends of the cable. Insert one end of the DIN 6 cable into the R.A. socket on the control box, and the other end into the socket located on R.
11 Latitude Adjustment Knob Lat. Adjust. Lever Azi. Adjust. Knob Figure 10. Adjust latitude Unscrew the Latitude Adjustment Lever from the Latitude Adjustment Knob as sho wn in Figure 10. Turn the Latitude Adjustment Knob to set your current latitude, using the Latitude Adjustment Lever for a fine adjustment, if needed.
12 the locking screws to secure the mount. Loose n four Latitude Locking Screws on t he side of the mount, turning the Latitude Adjustment Knob to adjust the latitude (altitude). Use the Lever for a fine latitude adjustment. Re-tighten the lock screws.
13 Polar Scope Dial as indicated on the HC LCD. In this case, the Polaris will be located at a radius of 41.5’ and an angle of 1 hour 26.8 minute, as shown in Figure 13 (b). (a) (b) Figure 13. Polaris displayed on 8406 hand controller (a) and Polaris located on Polar scope dial STEP 4.
14 Figure 15. Zero position Remove the CW Safety Screw on the end of the CW shaft. Loosen the CW Locking Screw on the side of the CW (there is a CW pin inside) and slide the CW into the shaft. Tighten the CW Locking Screw to hold the CW in place. Tighten the CW Safety Screw.
15 A “Testing R.A. Balance” screen will be displayed. Press the ENTER key to start t he test. After few swings, a test results will be displayed on the hand controller LCD screen: Figure 17. R.A. Balance Test Follow the arrow indicator to move the CW left or right.
16 3. GoToNova ® 8406 Hand Controller Figure 19. GoToNova 8406 hand controller The GoToNova ® 8406 hand controller (HC) shown in Figure 19 is the standard controller for the iEQ75-GT mount. It has an integrated temperature controller that ensures it can be operated b elow 20ºC (- 4ºF).
17 3.2. The LCD Screen The 8406 HC has a large 8-line, 21 character LCD screen, which displays all the information a s shown in Figure 20. The user interface is simple and easy to learn.
18 4. Getting Started In order to experience the full GOTO capability of GoToNova technology it is very important to set up the mount correctly before observation. 4.1. Setup the Mount and Polar Alignment Setup and polar alignment your iEQ75-GT mount according to Section 2.
19 number keys to change the numbers. Use the ▲ or ▼ button to toggle between “Y” and “N” for Daylight Saving Time. Press ENTER to go back the previous screen. 4.3.2. Set Up Observation Site Scroll down and select “ Set up Observ. site ” Press ENTER.
20 between “behind” and “ahead”. When the number is co rr ect, press ENTER and go back to the previous screen. For other parts of the world you can find your “time zone” information from iOptron website (http://www.ioptron.com/support.cfm?module=faq#).
21 4.4. Turn Off the Mount When you have finished your observation, it is recommended that you return the mount to Zero Position before powering down. This will ensure that there is no need for you to perform the initial setup again when you power up the mount subsequently, if the mount is not moved.
22 5. Complete Functions of GoToNova ® Hand Controller 5.1. Slew to an Object Press the MENU button. From the main menu select “ Select and Slew .” Select an object that you would like to observe and press the ENTER key. The GoToNova 8406 hand controller has a database of about 580,000 objects.
23 5.1.6. Constellations This catalog consists of 88 modern constellations with their names. They are listed alphabetically. A list is attached in Appendix E. 5.1.7. Enter R.A. DEC Here you can go to a target by entering its R.A. and DEC numbers. 5.2.
24 5.4.7. Set Backlash Value Set the backlash of R.A axis and DEC axis. Although both R.A. and DEC worms have gap-free structure, there still might be backlash or play between the reducing gears of a R.A. or DEC motor. To set the backlash value, scroll down and select “Set Backla sh Value” Press ENTER.
25 If the Meridian Protection is turned on, the mount will stop tracking when it passes the meridian. If it is turned off, the mount will keeping tracking and the OTA could hit the tripod leg if the mount is not monitored. 5.4.11. Set Language Select hand controller language from English or French.
26 5.5.3. Dis R.A axis error This displays the celestial pole pointing error after two star or three star alignment. When the HC shows for example: 7.5" lower 4.3" east, it means the polar axis of the mount is pointing lo wer and to the east.
27 5.9. Park Scope 5.9.1. Park Scope Park the mount to a preset parking position. 5.9.2. Set Park Position There are 6 park positions to be chosen from, namel y “Up north,” “Left zenith,” “Left horizontal,” “Right zenith,” “Right horizontal,” and “Position now.
28 6. Maintenance and Servicing 6.1. Maintenance The iEQ75-GT is designed to be maintenance free. Do not overload the mount. Do not drop the mount, this will damage the mount or degrade the GOTO tr acking accuracy permanently. Use a wet cloth to clean the mount and hand controller.
29 Appendix A. Technical Specifications Mount German Equatorial Mount Payload 75 lb (34kg) Mount weight 52 lb (23.6kg) Right Ascension worm wheel Φ 182mm, 228 teeth bronze Declination worm wheel Φ 1.
30 Appendix B. GoToNova ® 8406 HC MENU STRUCTURE.
31.
32 Appendix C. Firmware Upgrade The firmware in the 8406 hand controller and/or main control board can be upgraded by the customer. Please check iOptron’s website, www.
33 Appendix D. Use a PC to Control an iEQ75-GT Mount The iEQ75-GT mount can be connected to a computer using supplied RS232 cable, if your PC is equipped with a serial port. A RS232 to USB adapter is needed if your computer do es not have a serial port, like most of the laptops on the market today.
Appendix E. GoToNova ® Star List Messier Catalog This table is licensed under the GNU Free Documentation License . It uses material from the Wikipedia article List of Messier objects.
35 001 Acamar 049 Ascella 097 Kaus Australis 145 Rassalas 002 Achernar 050 Asellus Australis 098 Kaus Borealis 146 Rasagethi 003 Acrux 051 Asellus Borealis 099 Kaus Media 147 Rasalhague 004 Acubens 05.
No. Constellation Abbreviation No. Constellation Abbreviation 1 A ndromeda A nd 45 Lacerta Lac 2 A ntlia A nt 46 Leo Leo 3 A pus A ps 47 Leo Minor LMi 4 A quarius A qr 48 Lepus Lep 5 A quila A ql 49 L.
ID No. OBJECT NGC # Messier# IC# A (A bell) U(UGC) ID No. OBJECT NGC # Messier# IC# A (A bell) U(UGC) 1 Andromeda Galaxy 224 31 31 Hind's Variable Nebula 1555 2 Barnards Galaxy 6822 32 Hubble&apo.
No. Ob j ect Const Sep. Ma g itude SAO Comm. Name No. Ob j ect Const Sep. Ma g itude SAO Comm. Name 1 Gam And 9.8 2.3 / 5.1 37734 Almaak 37 Iot Cas 2.3 4.7/7.0/8.2 12298 2 Pi And 35.9 4.4 / 8.6 54033 38 Psi Cas 25 4.7 / 8.9 11751 3 Bet Aql 12.8 3.7 / 11 125235 Alshain 39 Sig Cas 3.
No. Ob j ect Const Sep. Ma g itude SAO Comm. Name No. Ob j ect Const Sep. Ma g itude SAO Comm. Name 73 52 Cyg 6.1 4.2 / 9.4 70467 111 95 Her 6.3 5.0 / 5.2 85647 74 Ups Cyg 15.1 4.4 / 10 71173 112 Kap Her 27 5.0 / 6.2 101951 75 Mu Cyg 1.9 4.7 / 6.1 89940 113 E2063 Her 16.
No. Ob j ect Const Sep. Ma g itude SAO Comm. Name No. Ob j ect Const Sep. Ma g itude SAO Comm. Name 149 67 Oph 55 4.0 / 8.6 123013 181 Bet Sco 13.6 2.6 / 4.9 159682 Graffias 150 Lam Oph 1.5 4.2 / 5.2 121658 Marfic 182 Sig Sco 20 2.9 / 8.5 184336 Alniyat 151 Xi Oph 3.
IOPTRON TWO YEAR TELESCOPE, MO UNT, AND CONTROLLER WARRANTY A. iOptron warrants your telescope, mount, or cont roller to be free from defects in materials and workmanship for t wo years. iO ptron will repair or replace such product or part which, upon inspection by iOptron, is found to be defective in materials or workman ship.
An important point after buying a device iOptron IEQ75-GTTM (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought iOptron IEQ75-GTTM yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data iOptron IEQ75-GTTM - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, iOptron IEQ75-GTTM you will learn all the available features of the product, as well as information on its operation. The information that you get iOptron IEQ75-GTTM will certainly help you make a decision on the purchase.
If you already are a holder of iOptron IEQ75-GTTM, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime iOptron IEQ75-GTTM.
However, one of the most important roles played by the user manual is to help in solving problems with iOptron IEQ75-GTTM. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device iOptron IEQ75-GTTM along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
