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.

CAUTION: For safety reasons, the CW Safety Screw must be installed and tightened to prevent the CW from dropping off the end of the CW shaft. This can cause serious personal injury.

STEP 8. Attach and Balance an OTA on the Mount

After attaching an OTA and accessories to the mount, the mount must be balanced to ensure minimum stress on the mount’s gears and motors. There are no clutch screws on either R.A. or DEC axes. The balancing is performed using iOptron Electronic Balance technology.

Set the mount at Zero Position first. If it is not, turn the mount on, press the arrow key on the hand controller to adjust the mount position. Press number key on the hand controller to select appropriate speed. After the Zero Position is adjusted, turn the power off.

Balance the mount in R.A. and DEC axes

When the mount is rest at Zero Position, turn the mount power on. Press the MENU button, scroll down to “Balance Test”, and press ENTER. The mount will start to slew and stop at the balance test position, as shown in Figure 16.

Figure 16. Balance test position

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iOptron IEQ75-GTTM instruction manual Balance the mount in R.A. and DEC axes
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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.
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