Garmin GPSMAP 2108 - Manual (Page 34)

30 GPSMAP ® 2008/2108 Owner’s Manual
C
onfigUring The
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niT
4. Use the ROCKER to enter your top speed,
and press .
NOTE: If the boat is not moving fast enough
or the speed sensor is not registering a speed, a
“speed Too low” message appears. Highlight
OK, press , and safely increase boat speed.
If you get the message again, stop the boat
and make sure the speed sensor wheel is not
stuck. If the wheel turns freely, check the cable
connections. If you continue to get the message,
contact Garmin Product Support.
Configuring Other Boats
To configure settings for boats other than your own,
from the Home screen, select Configure > Other
boats .
AIs—turn AIS (Automatic Identification System) on
or off. AIS alerts you to area traffic by providing boat
IDs, position, course, and speed for boats equipped
with a transponder within range.
DsC—turn DSC (Digital Selective Calling) on or off.
NOTE: To configure AIS or DSC information
for other boats, your unit must be connected to
an external AIS or DSC device.
safe Zone—turn a safe zone around your boat on or
off. This is used for collision avoidance, and can be
customized:
• Ring—show or hide a ring on the map showing
the safe zone for your boat.
• Range—change the measured radius of the safe
zone ring to a specified distance from 0.1 to 2.0
nm (or .02 to 5.0 km, or 0.1 to 2.0 mi).
• Time to—sounds an alarm if AIS determines
that a target will intersect the Safe Zone within
the defined time interval (ranging from 3 to 24
minutes).