User Manual Q&AAnswer
Mar 13, 2025 - 09:26 AM
Installing and setting up the Romer Optics LLC EZ GOTO LITE Electric Focuser on your Dobsonian telescope requires a few steps. Here is a complete guide to help you with the installation and setup process:
1. Purchase the necessary components:
- EZ GOTO Kit from Romer Optics LLC, which includes the mainboard, encoders, and upgrade parts.
- Accessories kit, which includes the USB adapter, color wires, and a 5V relay for dual speeds.
- AZ/ALT gears kit, which includes stainless and steel gears, motor slides, motor bracket, and azimuth gear and belt.
- Focuser motor bracket.
2. Prepare additional parts from Amazon or other sources:
- Power Supply and Battery: Indoors, use an AC-DC 24V/15A power supply. Outdoors, use a DC-DC converter with a vehicle 12V battery.
- Stepper Motor Driver: You will need two drivers, preferably DM542 (1/128 micro stepper).
- Stepper Motors: NEMA 17 motors for an 8" Dobsonian, and NEMA 17 (Azimuth) + NEMA 23 (Altitude) motors for 10" or larger Dobsonians.
3. Mounting the EZ GOTO system:
- Follow the instructions provided by Romer Optics LLC to mount the mainboard, encoders, and upgrade parts onto your Dobsonian telescope.
4. Wiring and connections:
- Connect the color wires from the accessories kit to their respective locations on the mainboard, encoders, and motors.
- Use the USB adapter to connect the mainboard to your computer or Android device.
5. Software setup:
- Download and install the EZ GOTO Android app or Windows Stellarium software (iOS version coming soon).
- Follow the instructions provided by Romer Optics LLC to set up the software and connect it to the EZ GOTO system.
6. Power supply:
- Connect the power supply to the mainboard, ensuring the correct voltage and polarity.
- If using an external battery, connect it to the mainboard using the appropriate connectors.
7. Calibration and testing:
- Follow the instructions provided by Romer Optics LLC to calibrate the encoders and test the GOTO and tracking functionalities.
- Adjust the electric focuser speed as desired using the controls provided in the software.
Please refer to the user manual or documentation provided by Romer Optics LLC for detailed instructions specific to your model and any troubleshooting steps.
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