ComNav G2 & G2B Installation & Operation Table of Contents
Document PN 29010093 V1.5 - 6 -
16 December 2016
Determining Position ........................................................................................................................................44
Differential Corrections.................................................................................................................................44
Determining Heading........................................................................................................................................44
Moving Base Station RTK ............................................................................................................................45
Determining Speed and Other Navigation Information.....................................................................................45
Supplemental Sensors .........................................................................................................................................46
Operation in NMEA 0183 environment.....................................................................................................................46
Output Ports .........................................................................................................................................................46
Output Data Formats........................................................................................................................................48
NMEA 0183 Output ......................................................................................................................................48
Proprietary Output ........................................................................................................................................49
Baud Rate ............................................................................................................................................................49
Electrical Interface................................................................................................................................................49
Alarm Output ........................................................................................................................................................49
Audible Alarm output ....................................................................................................................................49
ISO 22090-3 compliant NMEA 0183 Alarm Output ......................................................................................50
Operate in NMEA 2000 Environment .......................................................................................................................51
NMEA 2000 data output.......................................................................................................................................51
Changing the Configuration......................................................................................................................................52
Making Changes ..................................................................................................................................................52
Using a Terminal Program................................................................................................................................52
Using a Navigator G2 .......................................................................................................................................53
Using a G3 Compass Display...........................................................................................................................53
Customising & Fine-tuning the Configuration.......................................................................................................53
Smoothing Output Data with Time Constants...................................................................................................53
Changing the Time Constants......................................................................................................................54
DGPS Source...................................................................................................................................................55
Baud Rates & Data Bandwidth.........................................................................................................................55
Care & Maintenance ________________________________________________________________ 58
Protection of Wires and Cabling...............................................................................................................................58
Periodic Checks .......................................................................................................................................................58
General Precautions.................................................................................................................................................58
Repair.......................................................................................................................................................................58
Fuse Replacement ...................................................................................................................................................58
Appendices _______________________________________________________________________ 60
Appendix 1 ...............................................................................................................................................................60
Specifications .......................................................................................................................................................60
GPS Receiver...................................................................................................................................................60
DGPS Beacon Receiver (G2B only).................................................................................................................60
System Interface ..............................................................................................................................................61
Power ...............................................................................................................................................................61
Mechanical .......................................................................................................................................................62
Appendix 2 ...............................................................................................................................................................63
ComNav Proprietary NMEA 0183 sentences descriptions ...................................................................................63
Appendix 3 ...............................................................................................................................................................64
NMEA 0183 Configuration Commands ................................................................................................................64
Appendix 4 ...............................................................................................................................................................68
Appendix 4 ...............................................................................................................................................................68
