G-Series Reference Manual 44
5.1 Warnings and cautions
Always check that your route is safe. Use the Range key to zoom in
to check for hazards that may not be visible on a larger scale view.
Until you are familiar with interpreting the chart display, take every
opportunity to compare what’s on the chart display with your actual
surroundings. Practice harbour and coastal navigation during day-
light hours and in clear weather conditions.
You can also use simulator mode to help you gain experience with
the unit.
Before you use the chart application, make sure you have read and
understood Chapter 4:Using Waypoints on page 35.
CAUTION:
The Chart application is not a substitute for good
navigational practice, nor does it remove the need for
official government paper charts. Do not use the G-Series
Chart application before you have read this chapter.
Requirements
1. For full functionality, the chart application needs to be receiving
position and heading data from your vessel’s Global Positioning
System (GPS).
2. For your GPS and chart to correlate accurately with your paper
charts, they all need to use the same datum. The default datum
for the G-Series system is WGS84. If this is not suitable, you
can change the setting in the Chart Setup menu (see
page 46).
When you adjust the datum of the G-Series system, a Rayma-
rine GPS will automatically correlate. If you have a third-party
GPS, you need to adjust it separately. Refer to the instructions
that came with your GPS for more information.
3. For the Automatic Identification System (AIS) to function you
must have a suitable AIS receiver connected.
4. For full autopilot functionality, you must have a compatible auto-
pilot attached to your G-Series system.
5.2 Supplied cartography
The G-Series system comes preloaded with Navionics cartography.
Depending on your region, different levels of cartography (Platinum
or Gold) are available in different areas.
You can also use Navionics chart cards. When chart cards are
present, the system selects the latest cartography to display.
US
Europe
Rest of world
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