Garmin GPSMAP 2108 Fish Finder User Manual


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30 GPSMAP
®
2008/2108 Owner’s Manual
Co n f i g U r i n g T h e Un i T
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.
Conguring Other Boats
Toconguresettingsforboatsotherthanyourown,
from the Home screen, select Congure > Other
Boats.
AIS—turnAIS(AutomaticIdenticationSystem)on
oroff.AISalertsyoutoareatrafc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congure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specied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denedtimeinterval(rangingfrom3to24
minutes).
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