Si-tex SNS-1100 User Manual page 37

2.9 ALARMS
The chart plotter provides alarms for various functions. You can enter the desired alarm range
for each function.
Auto Off
To set the automatic shutdown of the alarms when the alarm condition disappears.
[MENU] + "Alarms" + [ENTER] + "Auto Off" + [ENTER]
Arrival Alarm
To set an acoustic alarm to sound when the vessel is approaching the destination.
[MENU] + "Alarms" + [ENTER] + "Arrival Alarm" + [ENTER]
XTE Alarm
To set an acoustic alarm to sound when the vessel is deviating from a defined course.
[MENU] + "Alarms" + [ENTER] + "XTE Alarm" + [ENTER]
Anchor Alarm
To set an alarm to sound when the ship moves off the current ship's position location.
[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
This function is used to set an acoustic alarm automatically triggered when the depth value read
by the depth transducer is too shallow.
[MENU] + "Alarms" + [ENTER] + "Depth Alarm" + [ENTER]
HDOP Alarm
This function is used to show a warning when the received HDOP value exceeds the Alarm Limit
for more than 2 seconds. The default setting is 4 seconds.To activate the HDOP Alarm:
[MENU] + "Alarms" + [ENTER] + "HDOP Alarm" + [ENTER]
Heading Alarm
This function is used to show a warning when the HDG sentence is not received from a magnetic
sensor reading.
[MENU] + "Alarms" + [ENTER] + "Heading 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] + "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 Alarm Range
To set the length of the sector to be detected among 0.25, 0.5, 1.0 Nm.
[MENU] + "Alarms" + [ENTER] + "Grounding Alarm Range" + [ENTER]
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