Raytheon Pathfinder ECDIS Operator's Manual page 64

Operator Manual
2.7.1.1 Alarm Messages
The ECDIS is continually monitoring your route and navigation devices.
When it finds a problem, it notifies you through alarms, warnings and
information messages.
These messages appear at the bottom of the information panel.
Alarm messages are red, warning messages are orange, and the appearance of
an information message depends on the display color selected.
For example, if display colors are set to Bright Sun Colors (white on black
background), then the message also appears as white on black background.
Figure: 1−33 Track Control Warning Message
When a message is triggered, ECDIS beeps to notify you that a message is
being displayed. You may either Acknowledge the message or silence the
beeping. If you Acknowledge the message, the message will no longer be
visible. (A history of messages is kept in the 12 Hour Log. Please see "Viewing
the 12 Hour Log", see chapter 11.1).
If more than one message is displayed you may scroll through them using the up
and down arrow keys located to the right of the message. Each of the messages
is numbered and the total number of alarms which have not been acknowledged
is displayed in the upper left hand corner. All alarms must be Acknowledged
once the situation to which it pertains is recognized or cleared.
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3655DOC020102 Edition: 30.MAR.2007