ComNav G2 - User Manual

Installation & Operation Manual
G2 & G2B
Satellite Compasses
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V1.5
COMPLIES WITH
CE REGULATIONS

Summary

Welcome

Warranty Notice

Information regarding the warranty terms and conditions for the product.

General Notice

Notices and general information pertaining to the manual's usage and content.

Special note

Specific operational notes or exceptions applicable to certain models or features.

Document History

About this Manual

Manual Format

Details on the manual's formatting for printing and viewing purposes.

Introduction

Overview

A summary of the G2 Satellite Compass's features, capabilities, and applications.

Installation

Tools Required

List of general-purpose tools necessary for the installation process.

Power Supply

Guidance on providing appropriate power to the G2 unit.

Environmental Considerations

Factors to consider regarding the environment for G2 operation.

GNSS Reception Considerations

Factors affecting GNSS signal reception for optimal performance.

Radiobeacon Reception Considerations

Factors affecting radiobeacon signal reception for G2B models.

Location & Orientation

Recommendations for the physical placement and orientation of the G2.

Mounting

Instructions and methods for physically mounting the G2 unit.

Alignment

Procedures for aligning the G2 unit for accurate heading output.

Wiring for NMEA 0183 system

Wiring instructions for NMEA 0183 communication.

Cables & Extensions

Information on cables, extensions, and their routing.

Cable Colour Codes

Identification of wire colors and their corresponding signals.

Power Input

Details on connecting the power input for the G2 unit.

Data Connections

Overview of connecting the G2 to various marine systems.

Interfacing to a ComNav Autopilot

Connecting the G2 with ComNav autopilot systems.

5001 System

Specific connection details for the 5001 Autopilot system.

Other ComNav Autopilot Systems

Connecting the G2 to other ComNav autopilot models.

Interfacing to a Navigator G2 Display System

Connecting the G2 to the Navigator G2 Display system.

Interfacing to a PC

Instructions for connecting the G2 to a personal computer.

PC COM Ports

Details on PC serial communication ports (COM ports).

D Connector Pinouts

Pin numbering schemes for PC COM port connectors (DE9 and DB25).

DE9 Connectors

Wiring specifications for connecting to DE9 serial ports.

DB25 Connectors

Wiring specifications for connecting to DB25 serial ports.

Using a PC for G2 Control & Display

Using a PC for monitoring and controlling the G2 unit.

Using a G2 with a PC Navigation Program

Connecting the G2 to a PC for navigation display and control functions.

Use a G2 with the CAN-bus based G3 Display in IMO installation

Connecting the G2 to a G3 Display in an IMO system.

Operation

Understanding How the G2 Works

Explanation of the internal workings and operational principles of the G2.

Automatic & Continuous Operation

Details on the G2's startup sequence and continuous data output.

GPS and GLONASS

Information on the GPS and GLONASS satellite systems used by the G2.

Acquisition Time

Information on the time required for satellite signal acquisition.

Determining Position

Explanation of how the G2 calculates the vessel's geographic position.

Differential Corrections

How differential GPS corrections are acquired and used.

Determining Heading

Explanation of the process for determining the vessel's heading.

Moving Base Station RTK

Details on the Moving Base Station Real-Time Kinematic technique.

Determining Speed and Other Navigation Information

How speed and other navigation data are computed and outputted.

Supplemental Sensors

Information on the internal sensors used by the G2.

Operation in NMEA 0183 environment

Configuring and operating the G2 in an NMEA 0183 environment.

Output Ports

Configuration and management of the G2's output data ports.

Output Data Formats

Details on the NMEA 0183 and proprietary data sentences output by the G2.

Proprietary Output

Description of ComNav's proprietary NMEA output sentences.

Baud Rate

Settings for communication baud rates for the G2's ports.

Electrical Interface

Compatibility considerations for electrical interfaces with other equipment.

Alarm Output

Information on the G2's alarm outputs and conditions.

Audible Alarm output

Details on the audible alarm relay and its function.

ISO 22090-3 compliant NMEA 0183 Alarm Output

NMEA 0183 compliant alarm output specifications.

Operate in NMEA 2000 Environment

Configuring and operating the G2 in an NMEA 2000 environment.

NMEA 2000 data output

Details on the NMEA 2000 data PGNs output by the G2.

Changing the Configuration

Making Changes

Overview of how to make changes to the G2's factory default configuration.

Using a Terminal Program

Instructions for configuring the G2 using a PC terminal program.

Customising & Fine-tuning the Configuration

Advanced methods for customizing and fine-tuning G2 settings.

Smoothing Output Data with Time Constants

Adjusting time constants to smooth output data for better performance.

DGPS Source

Configuration options for the DGPS correction source.

Baud Rates & Data Bandwidth

Settings for baud rates and data bandwidth for serial communication.

Care & Maintenance

Protection of Wires and Cabling

Ensuring secure mounting and routing of wires and cables.

Periodic Checks

Recommended periodic inspections of the G2 system components.

General Precautions

General precautions for maintaining the G2 unit's condition.

Repair

Information on servicing and returning the unit for repair.

Fuse Replacement

Guidance on fuse installation and replacement in the power circuit.

Appendices

Appendix 1: Specifications

Technical specifications for the G2's components and interfaces.

GPS Receiver

Detailed specifications for the GPS receiver module.

DGPS Beacon Receiver (G2 B only)

Specifications for the DGPS beacon receiver in G2B models.

System Interface

Specifications related to the system interface, ports, and protocols.

Power

Specifications related to the power requirements and consumption.

Mechanical

Mechanical specifications including dimensions, weight, and enclosure rating.

Appendix 2: ComNav Proprietary NMEA 0183 sentences descriptions

Descriptions of ComNav's proprietary NMEA 0183 sentences.

Appendix 3: NMEA 0183 Configuration Commands

Commands for configuring NMEA 0183 output sentences and parameters.

Appendix 4: Configure Beacon stations for G2 B

Step-by-step guide for configuring beacon stations for the G2B.

Appendix 5: Retrofit G2;G2 B to Vector G2;G2 B

Instructions for retrofitting G2/G2B units to existing Vector systems.

Wheelmark Compliance Certificate

CE Compliance

License Agreement

Warranty Information

Index

User Notes & Settings

User Settings

Tables for recording user-configured settings for NMEA 0183 and operational parameters.

ComNav G2 Specifications