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Reference
Main Menu:
Comm and Alarm Tabs
The DGPS beacon transmitters are operated by the U.S. Coast Guard (or similar government agency
in other countries), which is responsible for their accuracy and maintenance. For DGPS transmitter
problems or to fi nd the most updated list of frequencies and coverage areas, contact your local USCG,
or visit their web site at http://www.navcen.uscg.mil/.
Alarm Tab— allows you to defi ne the alarm setting for Anchor Drag, Arrival, Off Course, Clock,
Shallow Water and Deep Water.
• Anchor Drag— sets an alarm to sound when you’ve exceeded a specifi ed drift distance. Enter a
distance in the distance fi eld and use the control fi eld to turn the alarm on and off.
• Arrival— sets an alarm to sound when you’re a specifi ed distance or time away from a
destination waypoint. Enter a distance radius or time for sounding the alarm and use the
control fi eld to set the alarm to ‘Off’, ‘Dist’ (Distance), or ‘Time’.
• Off Course— sets an alarm to sound when you’re off a desired course by a specifi ed distance.
Enter a distance in the distance fi eld and use the control fi eld to turn the off course alarm
on and off.
• Clock— provides an alarm for the system clock. Enter a time in the time fi eld and turn the
alarm on and off from the control fi eld menu. Remember to enter alarm times in the same
time format (UTC or local) you’re using for your system. The unit must be on for the clock
alarm to work.
• Shallow Water/Deep Water— set alarms to sound when you enter an area of specifi ed depth
that is too shallow and/or too deep. Enter a depth in the distance fi elds and use the control
fi elds to turn the alarms on and off.
To set an alarm:
1. Use the ARROW KEYPAD to highlight the fi eld to the right of the alarm name you wish activate
and press ENTER/MARK.
2. Change the mode to ‘On’ (Dist or Time for the ‘Arrival’ alarm) and press ENTER/MARK.
3. Highlight the next fi eld to the right and press ENTER/MARK, then enter the desired settings and
press ENTER/MARK to fi nish.
Alarm Tab
Press ENTER/MARK to acknowledge
an alarm.