Furuno FMD3100, Operator'S Manual

Page: 356 / 395

AP-18
APPENDIX 4 ALERT LIST
ALF ALR
Alert name
Priority/
Category
Meaning Remedy
No. Inst.* No.
115 - 115 Loss of System
Communication Warning/
B Loss of communica-
tion between pro-
cessor unit and
external equipment. Check that the de-
vice is securely
connected.
150 - 150 Early Course
Change Warning/
A Waypoint is soon
being approached.
Ship's position is
less than set time of
prewarning from
WOL.
Default: 90 seconds Be careful that
WPT is approach-
ing.
158 - 158 Course Difference Warning/
A Waypoint is now be-
ing approached.
When alert 150 and
151 are not ac-
knowledged, ship
crosses WOL.
When alert 150 is
not acknowledged,
this is generated in-
stead of alert 151.
(30 seconds before
WOL) Be careful that ship
crossed WPT.
159 - 159 Low Speed Warning/
B While carrying out
TCS, ship's speed
becomes less than
set value. Raise speed or
stop track control.
170 - 170 Positioning System
Failure Warning/
B All position data has
been lost for more
than 30 seconds. Check the connec-
tion with all GPS.
171 - 171 Crossing Safety
Contour Alarm/A When a check area
is set, the vessel
entered a shallower
area than the
threshold set in
[Safety Contour]. Reconfirm Safety
Contour setting or
change the course.
172 - 172 Off Track Alarm Alarm/A Deviation is big be-
tween planning
course and current
heading. While
monitoring route,
ship position devi-
ates XTD Limit. Reconfirm XTD
Limit or keep own
ship inside of chan-
nel limit.
173 1 620 User Chart Danger
Area Warning/
A A User Chart Dan-
ger Area that is set
to Warning/Caution
in chart alert is de-
tected inside the
check area. Be careful of the
object mentioned
left, on ship's direc-
tion.