Raymarine G Series Quick Reference page 7

3. Select Boat Details.
4. Change the Safe Depth, Safe Height and Safe Width settings
as appropriate for your vessel.
Note: The settings you specify for your vessel details are
essential for the accurate operation of the collision alarm. You
must specify vessel detail settings that are appropriate for safe
navigation.
Note: The collision alarm uses data from the GPS antenna in its
calculations. Therefore the values you specify for your vessel
detail settings must reflect the actual position of the GPS antenna
on your vessel. For example, the "Safe Width" setting is actually
the diameter either side of the GPS antenna, so if you have a
vessel 4 meters wide and you enter a minimum "Safe Width" of 4
meters, this is actually providing a collision zone of only 2 meters
either side of the GPS antenna. If the GPS antenna is mounted
on the port side of the vessel and you specified a Safe Width of 4
meters, you would be leaving 2 meters of the hull uncovered by
the collision zone.
Adjusting the monitor brightness
On the G-Series keyboard:
1. Press the POWER button on the keyboard once.
The backlight level control is displayed on the monitor.
2. Using the rotary control, adjust the brightness level as
appropriate.
3. To adjust the brightness for a monitor assigned to a different Nav
Station, press the rotary control once and select the appropriate
Nav Station from the list.
Data master (master GPM)
If your system features more than one GPM processor unit you must
designate one GPM processor as the data master (master GPM).
If the data master has not already been designated as part of the
installation and commissioning process it must be done as part of
the initial setup.
The data master handles all the data from the various marine
electronics installed around your vessel. The data master receives
data from SeaTalk and SeaTalk
components of the G-Series system via the SeaTalk
For example the system may require heading information from the
autopilot and GPS systems, usually received through a SeaTalk
NMEA connection. The data master is the GPM processor to which
the SeaTalk, NMEA and any other data connections are made, it
then bridges the data to the SeaTalk
repeat displays. Information shared by the data master includes:
• Cartography
• Routes and waypoints
• Radar
• Sonar
• Data received from the autopilot, instruments, the engine and
other external sources.
Note: The GPM processor that you choose to be the master
GPM must be the unit to which the SeaTalk and SeaTalk
are physically connected.
Designating the data master (master GPM)
1. Press the MENU button.
2. Select the System Configuration menu item.
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