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GPSMAP 400/500 Series Owner’s Manual 3
Getting Started
Initializing Unit Settings
The rst time you turn on your unit, congure the initial settings.
NOTE:
You can change these settings later using the Congure
screen (page 6).
Language—select the language to display on the screen.
Welcome
—select OK.
Store Demonstration
—select NO. (This option is only available
the rst time the unit is turned on.)
NMEA 0183 Devices
—if you have NMEA 0183 devices connected
to a serial port, specify which ports are connected.
AIS Receiver
(not available if you select None for NMEA 0183
Devices)—Select Yes if one of the devices connected to a serial port
is an AIS (Automatic Identication System) receiver.
Position Format
—specify the coordinate system to use for location
readings.
Time Format
—specify whether you want the time shown in a
12-hour, 24-hour, or UTC (Universal Time Coordinated) format.
Time Zone—set the time zone you want displayed for time
readings. If Auto is selected for the Time Zone, the DST option is
not available and is automatically set to Auto.
System Units—specify units for on-screen measurements as
Statute, Metric, or Nautical, or select Custom to individually
dene units of measure for depth, temperature, distance, speed,
elevation, volume, and pressure.
Minimum Depth
—select the minimum safe depth for your boat.
Refer to your boat specications for more information.
Shallow Water Alarm
—only available if you are receiving sonar
depth data. Select Yes or No.
Overhead Clearance—select the minimum overhead clearance for
your boat. Refer to your boat specications for more information.
AIS Alarm Range
(not available if you select No for AIS
Receiver)—select the distance within which an alarm will sound if
an AIS vessel nears your boat (page 56).
AIS Alarm Time To
(not available if you select No for AIS
Receiver)—select the time within which an alarm will sound if an
AIS vessel is on track to intersect the Safe Zone around your boat
(page 56).
If a water speed wheel is detected, a message will ask if you want to
calibrate it now. Select Yes or No.