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DSM250 User’s Manual
Page 212 Revision 1.4.16a
8 Alerts
The DSM250 can act as both an Alert Source and an Alert Monitor. An Alert Source monitors
parameters received on the NMEA2000
®
bus against a user entered threshold, and displays alerts
when parameters go out of range. It will also transmit this Alert information to other Alert Monitors on
the bus (Platinum copies of N2KView™ or other DSM250s) and sound the ALM100 annunciators as
required. Operators may accept or cancel the Alerts from the buttons on the front of the DSM250.
An Alert Monitor, the DSM250 monitors the bus for Alert messages from Alert Sources, and displays
the remote Alert information on the DSM250’s screen. Operators may accept or cancel the remote
Alerts from the buttons on the front of the DSM250, in which case an Alert Command Message is
sent back to the Alert Source.
8.1 Displaying Active Alerts
Active Alerts are overlaid on all the favorite screens.
Figure 253 – Alert Display
The number of Alerts with pending operator actions is shown in the top right corner. This will be
colored red if the highest pending Alert is an Alarm and yellow if it is a Warning. The description of the
active Alert with the highest priority is shown at the bottom left of the screen. This will be colored red if
it is an Alarm and yellow if it is a Warning. In addition, the state of the alert (4.3.5) will be shown as
follows:
Active – The enclosing box will flash between a solid red or yellow and white.
Accepted – The enclosing box will be a solid red or yellow.
Awaiting Cancel – The enclosing box will be outlined in red or yellow, as shown in Figure 253.
8.1.1 Alert Status Screen
The list of Active Alerts is displayed in tabular form on the Alert Status Screen. This Screen may be
displayed by selecting the Alert Status option from the Main Menu.