RayChart 420/420D Chartplotter | |
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•Marks the current position as a temporary waypoint with an MOB symbol which replaces any current active waypoint and route.
•Displays the MOB data box, showing the bearing and range to the MOB position, the elapsed time since the MOB was initiated and COG data.
•Sends an MOB message, including bearing and range, to other units in the system, via NMEA.
Notes: (1) A suffix (c) to the POSition data indicates that the vessel’s position has been User Calibrated, see Chart Set Up, Chapter 4.
(2)The RANGE key operates normally to change chart scale.
To cancel MOB, press and hold the GOTO key for 2 seconds.
The chart is
3.9 Alarms
The chartplotter reports the following alarms: | |
‰Alarm | Indicates: |
Arrival | Your vessel has arrived at the active waypoint: it has either |
| reached the arrival circle (the radius of which is specified) or, |
| has reached its closest point of approach (defined by a line |
| passing through the waypoint and perpendicular to the track). |
XTE | Your vessel has exceeded the specified distance (maximum |
| cross track error) from the active route leg. |
Anchor | Your vessel has drifted from its anchor position (set when the |
| alarm was turned on) by more than the specified distance. |
No Fix | GPS fix or Differential data has been lost for more than 30 s. |
The alarms are switched on or off, and the limits set, using the Chart Set Up function via the PAGE key menu, see Chapter 4.
When an alarm is triggered, the alarm buzzer sounds and a
To silence the alarm and clear the message, press any key.
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