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iOptron GEM28 User Manual

iOptron GEM28
49 pages
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iOptron
®
GEM28 German Equatorial Mount
Instruction Manual
Product GEM28 and GEM28EC

Table of Contents

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iOptron GEM28 Specifications

General IconGeneral
Payload Capacity28 lbs (12.7 kg)
Mount Weight10.4 lbs (4.7 kg)
RA Worm Gear MaterialBrass
DEC Worm Gear MaterialBrass
Tracking RateSidereal, Lunar, Solar
Autoguiding PortYes
Communication PortUSB
Tracking Accuracy± 5 arcsec
Weight10.4 lbs (4.7 kg)
Mount TypeEquatorial
RA Worm Wheel180 teeth
DEC Worm Wheel180 teeth
Motor DriveStepper motor
Power Requirement12V DC
GPSBuilt-in
Polar ScopeYes, included
Counterweight ShaftØ20 mm
Worm Gear Period600 seconds

Summary

CEM26 Overview

CEM26 Mount Assembly

Mount Head and Tripod Setup

Step-by-step guide to assembling the mount head onto the tripod.

Counterweight and Telescope Installation

Instructions for installing the counterweight shaft, counterweight, and telescope.

Payload Balancing and Cable Connection

Procedures for balancing the payload and connecting the necessary cables.

Getting Started and Initial Operations

Hand Controller Setup and Configuration

Guides on setting time, site, GPS, and other parameters in the hand controller.

Polar Alignment Procedures

Detailed steps for performing polar alignment using various methods.

Returning Mount to Zero Position

Explains how to set and verify the mount's Zero Position.

Advanced Hand Controller Functions

Alignment and Sky Model Calibration

Covers One, Two, Three Star Align, Polar Iterate Align, and Solar System Align.

Maintenance, Support, and Safety

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