iOptron GEM45 User Manual

1
iOptron Corp. | 6E Gill Street | Woburn, MA 01801 USA | (781) 569-0200 | www.iOptron.com
Quick Start Guide
GEM45™ German Equatorial Mount
Models: GEM45 (#7603A), GEM45EC (#7603ECA) and GEM45G (#7603AG)
PACKAGE CONTENTS
1
 Mount head – with iPolar
TM
electronic Polar Scope (#7603A & #7603ECA), and iGuider
TM
guiding system (#7603AG)
 Hand Controller (HC) – Go2Nova® 8407+
 Counterweight – 11 lbs (5 kg)
 Stainless steel counterweight shaft
 GPS module
 RJ11 coiled cables, x2
 USB cable
 AC adapter – 100-240V (DC output 12V/5A)
 Alignment peg
 Heavy duty tripod and accessory tray
 Hard case (for 7603ECA, optional for 7603A, 7603AG)
 Quick Start Guide (this document)
ONLINE RESOURCES (at www.iOptron.com, under Support)
 User’s Manual
 Hand controller and mount firmware upgrades (check online for the latest version)
 ASCOM and Commander for computer control
1
The design, contents and packaging may change from time to time without notice.

iOptron GEM45 Specifications

General

Mount Type	German Equatorial Mount
Power Supply	12V DC
Payload Capacity	20 kg
Weight	Mount Head: 15.8 lbs (7.2 kg)
Tracking Modes	Sidereal, Solar, Lunar
GoTo Database	Over 200, 000 objects
Control System	Go2Nova® 8407 hand controller
Latitude Adjustment Range	10° to 70°
Motor	Stepper motor
Gear Ratio	360
Power Requirement	DC 12V
Hand Controller	Go2Nova® 8407
GPS	Built-in
Periodic Error	< ±5 arcsec
PE Correction	Permanent PEC
Communication Ports	USB
Polar Scope	Built-in illuminated polar scope
Compatibility	Vixen-style dovetail

Summary

Package Contents

Online Resources

Mount Setup and Operation

Remove Mount Head from Package

Instructions for unlocking the R.A. Gear Switch and removing the mount head from its packaging.

Set Up Tripod

Steps to assemble the tripod, attach the accessory tray, and level the mount.

Adjust Latitude

Guide on loosening screws and using the adjustment knob to set the mount's latitude.

Install Counterweight Shaft

Instructions for threading the counterweight shaft into the mount's mounting holes.

Install Counterweights

Steps for placing the counterweight onto the shaft and securing it.

Install Telescope

Information on the dual saddle and connecting the telescope.

Balancing the Payload

Procedure for balancing the mount in DEC and RA axes after attaching the payload.

Connecting Cables

Guide for connecting power supply, hand controller, and GPS module.

Polar Alignment

Overview of using the iPolar electronic polar scope for alignment.

Manual Operation

Instructions for using the hand controller to point and track objects.

Set Controller

Steps to set the time and site information on the hand controller.

Set Zero Position

Procedure to register the current mount position as the zero position.

One Star Alignment

Guidance on performing a one-star alignment for GOTO accuracy.

Go to an Object

How to select and slew to astronomical targets using the hand controller.

Sync to Target

Function to improve local GOTO accuracy by centering and synchronizing objects.

Pack Mount for Storage

Recommendations for returning the mount to zero position and packing it.

Warranty Information