ComNav Vector G2 & G2B Installation & Operation Installation
Document PN 29010078 V2.0 - 17 -
DRAFT #3 – 29 May 2009
Installation
Please refer to the Warranty Information section of this manual before proceeding with
installation of the Vector G2.
Tools Required
General-purpose tools such as a portable drill, pliers, wire cutters, screwdrivers, wire,
mounting bolts and wrenches will be required. An accurate voltmeter or multi-meter would
also be useful.
Hazard warning!
Extreme caution is advised when using tools powered by alternating
current (AC) from main supply circuits, regardless of whether those
circuits are rated for “indoor”, “outdoor”, “marine” or “industrial” use.
Water, especially sea water, is an excellent conductor of electricity,
and can complete a path to AC Ground through your body, causing
injury or death, if a tool malfunctions or short-circuits.
L Battery powered tools are STRONGLY recommended L
If AC tools are used, they must be plugged into a circuit that is
adequately protected against Ground Faults and other safety
hazards, in accordance with local electrical codes.
Power Supply
For reliable operation of your Vector G2 GPS Compass, your vessel’s power supply system
must have an adequately-breakered, or fused, DC (direct current) power supply at a nominal
voltage of 12 or 24 volts. A power on/off switch should also be provided.
Ensure that adequate wire sizes are used to handle the expected maximum currents (see
Table 22).
L It is strongly recommended that the G2’s power wiring be run directly
from the power supply – especially for 12 Volt systems. The minimum
supply voltage is specified as 11 Volts, at the loose-wire end of the
G2’s cable. On a “12 Volt” battery system, it is possible (if the battery
is weak or partially discharged, and if there are other loads along the
wiring from the battery to the end of the G2’s cable) that the cable-end
voltage will drop below 11 Volts. In such circumstances, the G2 may
exhibit erratic behaviour, such as periodic resetting.
Environmental Considerations
• Ensure that the G2’s Operating & Storage Temperature Ranges are not exceeded
(see Specifications, Mechanical, on page 70).
• The G2
will operate up to 100% relative humidity. The G2’s case, cable & mount are
waterproof – but they are not submersible.
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