ComNav Vector G2 & G2B Installation & Operation Introduction
Introduction
As a result of feedback from customers, the factory-default configuration of the Vector G2 &
G2B has been changed, in order to provide improved “out of the box” operation of the units.
This document describes those changes, and where the information in here should be used
instead of the information in the supplied Installation & Operation manual (v1r6).
Note: This Addendum applies only to the second generation of the Vector G2 & G2Bs,
mainly to the early-2009 manufacturing runs (date codes 0902 – 0907, & possibly up
to 0914).
Vector Generations
The generation of a Vector G2 & G2B can be determined by the initial 4 digits of its serial
number, which are a “date code” identifying the year and week it was manufactured. The
serial number is on the label on the underside of the enclosure.
The first generation had date codes of 0721 or less. For that generation, please refer to
revision 1.2 of this manual.
The second generation began with a date code of 0722. The second generation’s date
codes, prior to the early-2009 builds, reached 0850. All those 0722 – 0850 date code
second-generation units were shipped with the factory-default configuration described in
revisions 1.4 through 1.6 of this manual.
However, customers may, if they wish, change those earlier date code second-generation
units to the revised configuration, and re-wire the unit’s installation, as described in this
Addendum.
Indeed, ComNav recommends that customers using the Vector G2 & G2Bs with any ComNav
autopilot make these changes in configuration & wiring, since one significant result of the
revisions is better steering performance by the autopilot.
Differences between Generations
All Vector G2 & G2B GPS Compasses are customised OEM versions of certain GPS
Compasses made by Hemisphere GPS™ (formerly CSI Wireless), of Calgary, Alberta,
Canada and Scottsdale, Arizona, U.S.A. (www.hemispheregps.com).
• The first-generation ComNav Vector G2 is based on Hemisphere’s Vector GPS
Compass, while the ComNav Vector G2B is based on the Vector PRO. All these models
use Hemisphere’s SLX GPS receiver technology.
• The 2007 second-generation Vector G2 & G2B are based on Hemisphere’s initial MV100
series (which uses their Crescent™ GPS custom receiver/processor chip technology);
the G2 is based on the MV100, the G2B on the MV110.
• The 2008 & 2009 second-generation Vector G2 & G2B are based on Hemisphere’s
late-2007 revision of the MV100 series – the G2 on the MV100, the G2B on the MV110.
All ComNav Vectors have slight differences from the corresponding Hemisphere models, in
their operational specifications & factory-default configuration settings; for details, please
refer to the respective ComNav & Hemisphere models’ specifications.
Note: ComNav Vectors do not support any of Hemisphere’s various optional GPS/DGPS
receiver features or subscription applications (e-Dif, OmniSTAR, L-Dif™, etc.).
Document History
Revision Date By Description
1R6
(Addendum #1)
31 March 2009 DTO
• first release
• valid for date codes 0902 - 0907
Document PN 29010078 V1.6 (Addendum #1) - 1 -
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