Raymarine GPS navigation - Manual (Page 43)

3.7.3 Off-Course Alarm
The Off-Course alarm can be used to
alert you when you are steering to a
specific
destination if your
vessel strays too far away from your
intended track line to the selected way-
point. This is particularly useful if you
are using an autopilot to monitor its ef-
To set the Off-Course alarm, press Press
Using the numeric keys, enter the desired distance that represents
the maximum margin that you would allow for being off course, then press
to set the alarm into operation.
Example: Press 0, for an XTE alarm of 0.1
Whenever the XTE alarm is set and the XTE distance exceeds the alarm
value, the alarm will be activated, the audible beeper will sound and XTE
characters will appear on-screen in the alarm warning area.
to
silence the audio beeper.
The values set for the alarms will remain in memory until changed by the
operator. As mentioned earlier, you can set the arrival alarm or the anchor
alarm, but not both. The alarms can be set to OFF anytime by accessing the
desired alarm in menu and entering
as the alarm value.
3.8 Man-overboard Mode
This important feature is useful if, while underway, something or someone
falls overboard. Press . This puts the NAV unit into the special
MOB display mode and a series of special operations begin.
The MOB display appears and shows the posi-
tion where the event occurred as
Own ship and the MOB are joined by a dotted line
and constant readings of BRG and DTG are pro-
vided to the MOB position. The Plot scale is
automatically set to the scale for the opti-
mum view, although the scale can be set for the
amount of detail required for recovery.
a
OPERATION 3-29