iOptron ZEQ25GT instruction manual Key Description, LCD Screen

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The Go2Nova® 8408 hand controller (HC) shown in Figure 3 is the standard controllers that used for a ZEQ25 mount. It has a 4 line, 21 character large LCD screen, function keys, direction keys and number keys on the front; a and a HBX port (6-pin) and a serial port (4-pin) at the bottom.

2.4.1.Key Description

•MENU Key: Press “MENU” to enter the Main Menu.

•BACK Key: Move back to the previous screen, or end/cancel current operation, such as slewing.

•ENTER Key: Confirm an input, go to the next menu, select a choice, or slew the telescope to a selected object.

•Arrow (▲▼◄►) Keys: The arrow keys are used to control the movement of DEC and R.A. axes. Press and hold ▲(DEC+),▼(DEC-) buttons to move a telescope along the DEC direction, ◄(R.A.+), ►(R.A.-) to move a telescope along the RA direction. They are also used to browse the menu or move the cursor while in the menu. Holding an arrow key for a fast scrolling.

•Number Keys: Input numerical values. Also used to adjust slewing speeds (1: 1X; 2: 2X; 3: 8X; 4:

16X; 5: 64X; 6: 128X; 7: 256X; 8: 512X; 9: MAX)

•? Key: Identify and display nearby bright stars or objects where the telescope points to.

•0 Key: Stop the mount during GOTO. Also toggling between start and stop tracking.

•HBX (Handbox) port: connect the HC to a ZEQ25 mount using a 6 pin 4 wire (6P4C) RJ11 plug.

•Serial port: connect the HC to a Computer via a RS232 to 4 pin 4 wire (4P4C) RJ9 cable (iOptron item# 8412). The pin out of the serial port is shown in Figure 4.

Figure 4. Serial port pin out on an 8408 hand controller

2.4.2. The LCD Screen

The 8408 HC has a large 4-line, 21-character per line LCD screen. The user interface is simple and easy to learn. When the mount first turned on, an initial information screen will be displayed as shown in Figure 5, after company logo displayed. It displays the Zero Position, current date and time.

Figure 5. 8408 Initial Information Screen

The LCD screen will switch to the information screen, as indicated in Figure 6, with pressing any

button.

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Contents IOptron ZEQ25GT Balanced GoTo Equatorial Mount Table of Content Ioptron TWO Year TELESCOPE, MOUNT, and Controller Warranty Features ZEQ25GT OverviewParts List1 ZEQ25 TermsAssembly Terms ZEQ25 assembly terms mount and tripodZEQ25 Ports Go2Nova 8408 Hand ControllerKey Description LCD ScreenSlew Speed Current Time Introduction ZEQ25GT Mount AssemblyZEQ25 Mount Assembly Tripod Setup Select Mount Latitude RangeAttach the ZEQ25 Mount Adjust LatitudeInstall Counterweight CW Shaft Install Counterweight Attach and Balance an OTA on the Mount Connect CablesConnect Cables Important Notes on Tension AdjustersSetup Hand Controller Set Local Time Set Observation Site Coordinate Polar AlignmentQuick Polar Alignment BrightStar Polar Alignment Return Mount to Zero PositionZero position Setup the Mount and Polar Alignment Getting StartedManual Operation of the Mount Initial Star AlignmentTurn Off the Mount Gear Tension AdjustmentStar Identifying Function Complete Functions of Go2Nova 8408 Hand Controller Slew to an ObjectSet Up Controller Sync to TargetMeridian Treatment Track Below HorizonSet Polar Light Firmware InformationAlign PEC Option Set User ObjectsPole Star Position PEC PlaybackSet Guide Rate To Zero PositionMaintenance and Servicing MaintenanceIOptron Customer Service Battery Replacement and Disposal InstructionsAppendix A. Technical Specifications GPSAppendix B. Go2Nova 8408 HC Menu Structure MenuPage Appendix C. Firmware Upgrade Appendix D. Computer Control an ZEQ25GT Mount Appendix E. Go2Nova Star List Messier CatalogNamed Star List Modern Constellations Deep Sky Object List Double Star List SAO Atik Ioptron TWO Year TELESCOPE, MOUNT, and Controller Warranty
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ZEQ25GT specifications

The iOptron ZEQ25GT is a highly regarded telescope mount that integrates advanced technologies and user-friendly features, making it a top choice for both amateur astronomers and seasoned stargazers. Its design focuses on portability, versatility, and precision, which are essential for anyone looking to explore the night sky.

One of the standout characteristics of the ZEQ25GT is its exceptionally lightweight and compact design. Weighing just 27 pounds, it is one of the lightest mounts in its class, allowing for easy transport and setup at various observing locations. Despite its lightweight form, the mount supports a significant payload capacity of up to 28 pounds, allowing users to attach a variety of telescopes and imaging equipment.

The mount's innovative design incorporates a unique "Hybrid" mount architecture, which combines features of both German and fork mounts. This enables a more streamlined setup and better balance during observation sessions. Additionally, the ZEQ25GT employs a patented design where the counterweight shaft is positioned above the mount. This design eliminates the need for a long counterweight bar, further enhancing portability and reducing setup time.

In terms of technology, the ZEQ25GT features iOptron’s renowned GoTo system, which provides users with access to a database of over 200,000 celestial objects. The system is equipped with dual-axis tracking and ultra-quiet servo motors, ensuring smooth and precise movement when tracking celestial objects. The built-in GPS allows for quick and accurate location setup, making it easy for users to begin their astronomical adventures with minimal delay.

Moreover, the ZEQ25GT includes an innovative SmartStar technology, enabling automatic alignment and calibration. This feature is particularly beneficial for newcomers, as it simplifies the setup process and reduces the learning curve associated with equatorial mounts. Users can control the mount via a hand controller or through a computer interface using iOptron's iControl app for smart devices, offering additional flexibility and convenience.

Durability is another important aspect of the ZEQ25GT, constructed from high-quality materials that ensure longevity and reliability. Its solid aluminum body not only contributes to its lightweight nature but also assures stability during use, which is crucial for astrophotography and high-magnification observations.

In conclusion, the iOptron ZEQ25GT is a cutting-edge telescope mount that combines portability, advanced technology, and user-friendly features, making it an excellent choice for astronomers at all levels. Its innovative design, robust performance, and ease of use truly set it apart in the competitive landscape of astronomical equipment.
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