iOptron IEQ75-GTTM instruction manual DEC Balance Test

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A “Testing R.A. Balance” screen will be displayed. Press the ENTER key to start the 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. The more the arrow is shaded, the more the CW needs to be moved. Press the ENTER key to test it again, until the OK sign is displayed or ¼ or less of the arrow key is shaded.

Press ◄ ► ▲ or ▼ button on the hand controller to toggle between R.A. and DEC testing. Press ENTER to start the DEC balance test. Move the telescope back and forth to balance the OTA around the DEC axis.

Figure 18. DEC Balance Test

NOTE: If you are located in southern hemisphere, Sigma Octantis will be chosen for Polar Alignment. For example, on May 20, 2010, 20:00:00 in Sydney, Australia (Lat S33º51’36” and Long E151º12’40”), 600 min ahead of UT, the Sigma Octantis Position is 1hr21.8m and 64.4m.

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Contents SmartStar iEQ75-GTTM Table of Content Ioptron TWO Year TELESCOPE, MOUNT, and Controller Warranty IEQ75-GTTMOverview FeaturesParts List1 IEQ75-GTTMAssemblyCounterweights and CW shaft IEQ75-GT assembly terms mount and optional tripod Assembly termsIntroduction IEQ75-GTTMPortsSetup Tripod IEQ75-GT AssemblyConnect Cables Polar axis adjustments Initializing the polar scope Attach Dovetail Adapter Balance the mount in R.A. and DEC axes DEC Balance Test Key Description GoToNova 8406 Hand ControllerHC LCD Information Screen LCD ScreenGetting Started Setup the Mount and Polar AlignmentSetting Up the Hand Controller Set Up Local TimeScroll down and select Set up Observ. site Set Up Observation SiteSet N/S Hemisphere Initial Star AlignmentGo to the Moon Turn Off the Mount Slew to an Object Complete Functions of GoToNova Hand ControllerSet Up Controller Sync to TargetElectric Focuser Meridian Protection Reset AllSet Backlash Value Set Key BeepAlign Set Up Tracking PEC OptionAuto Guide Set Park Position Park ScopeTo Zero Position Park ScopeBattery Replacement and Disposal Instructions Maintenance and ServicingMaintenance IOptron Customer ServiceGPS Appendix A. Technical SpecificationsAppendix B. GoToNova 8406 HC Menu Structure Page To upgrade i8406 hand controller firmware Appendix C. Firmware UpgradeAppendix D. Use a PC to Control an iEQ75-GT Mount Messier Catalog Appendix E. GoToNova Star ListGoToNova Named Star List Modern Constellations GoToNova Deep Sky Object List GoToNova Double Star List SAO Atik Ioptron TWO Year TELESCOPE, MOUNT, and Controller Warranty

IEQ75-GTTM specifications

The iOptron IEQ75-GT is an advanced equatorial mount designed for amateur astronomers and astrophotographers seeking precision and reliability in their observations. This mount stands out due to its robust construction and innovative technology, making it ideal for a wide range of astronomical applications.

One of the main features of the IEQ75-GT is its impressive payload capacity. With the ability to support up to 75 pounds, it can easily accommodate a variety of telescopes and imaging setups, enabling users to explore both deep-sky objects and planetary details. The mount’s solid aluminum construction ensures stability, which is critical for long exposure astrophotography.

The IEQ75-GT is equipped with iOptron's signature GoTo system, allowing for easy navigation across the night sky. With its celestial database that includes over 200,000 objects, users can effortlessly locate and track their desired targets. The advanced GoTo technology also includes a built-in GPS, simplifying the alignment process and providing precise location data for better tracking.

Another notable feature is the mount's dual-axis tracking, which ensures that celestial objects remain in view, even during long exposure imaging sessions. The high-resolution encoders and closed-loop servo motors provide smooth movement and accurate tracking, reducing the risk of star trailing during exposures.

The mount is designed with portability in mind. Its compact size and lightweight construction make it easy to transport, making it a great choice for both backyard observations and remote dark-sky outings. The quick-release system allows for fast setup and teardown, enhancing convenience during stargazing sessions.

iOptron also incorporates unique smart technology in the IEQ75-GT. The mount is compatible with a range of mobile applications, allowing users to control the mount and access additional features directly from their phones or tablets. This level of integration enhances the observing experience and makes it easier to explore the night sky.

Additionally, the IEQ75-GT features a built-in autoguider interface, facilitating long-exposure astrophotography without the need for additional guiding equipment. The mount’s versatility and user-friendly design make it an excellent choice for both novice and experienced astronomers.

In summary, the iOptron IEQ75-GT combines high payload capacity, advanced GoTo technology, sturdy construction, and smart features to deliver a powerful astronomical platform. Whether you're passionate about stargazing or astrophotography, the IEQ75-GT is a worthy investment for any astronomy enthusiast, providing the reliability and precision needed for a successful observing experience.