Seiwa Tigershark Plus - Manual (Page 32)

34 User Manual
[MENU] + [MENU] + "ALARMS" + [ENTER] + "ANCHOR ALARM" + [ENTER]
NOTE By the time the Anchor Alarm is set the current ship's position is saved as
origin position. The alarm goes off when the ship moves away from the origin
position more than the entered alarm range.
Depth Alarm
To set an acoustic alarm to sound when the received depth value (from the depth
transducer) is too shallow.
[MENU] + [MENU] + "ALARMS" + [ENTER] + "DEPTH ALARM" + [ENTER]
Grounding Alarm
To verify potential danger to navigation such as shallow water (depth areas),
intertidal areas, land, rocks, obstructions and shoreline constructions. The maps
are scanned every 10 seconds.
If any of the above objects are found, the chart plotter notifies the danger on a
dedicated warning message box. The active "Grounding Alarms" are shown in the
Grounding Alarm Report page.
To activate the Grounding Alarm:
[MENU] + [MENU] + "ALARMS" + [ENTER] + "GROUNDING ALARM" +
[ENTER]
The chart plotter scans a sector in front of the boat. The direction is determined
by the current boat heading. You can select the length and its angle is 30 degrees.
The Grounding Alarm is switched Off by default after a Master Reset.
Grounding Depth Limit
To enter the minimum depth:
[MENU] + [MENU] + "ALARMS" + [ENTER] + "GROUNDING DEPTH LIMIT"
+ [ENTER]
Grounding Alarm Range
To set the length of the sector to be detected among 0.25, 0.5, 1.0 Nm.
[MENU] + [MENU] + "ALARMS" + [ENTER] + "GROUNDING ALARM RANGE"
+ [ENTER]
Grounding Alarm Report
To display the report of the dangerous objects currently detected.
[MENU] + [MENU] + "ALARMS" + [ENTER] + "GROUNDING ALARM REPORT"
+ [ENTER]
When any of the searched objects is found in the scanned area, a tick marker is
printed on the relative box to identify which dangerous objects have been cur-
rently detected. Once the alarm condition is no longer present, the relative tick
marker is removed.
NOTE The alarm "No data available" is shown when no specific cartographic data are
found on the C-CARD or when no C-CARD is inserted.
BARRAMUNDI/BARRAMUNDI P
LUS
/MURENA/MURENA
I
GPS/MARLIN:
External Alarm
When any alarm condition occurs the pin is switched from High Impedance to
ground. This signal can be used by an external device (as a hooter or buzzer).
[MENU] + [MENU] + "ALARMS" + [ENTER] + "EXTERNAL ALARM" + [ENTER]
MARLIN:
Timer Alarm Menu
The Timer Alarm is activated when the defined time is expired. The Timer Value
and the counter direction can be set by the user.