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1. OPERATION
1-21
1.7.11 Alarm messages
When an alarm setting is violated the audio alarm sounds and the name of the
offending alarm and a flashing exclamation mark appear at the top of the display.
You can silence the audio alarm and erase the alarm name by pressing any key.
The exclamation mark remains on the screen until the offending alarm is turned
off or the cause of the alarm is eliminated.
You can see which alarm has been violated by displaying the message display,
which can show up to ten messages.
1. Press the [MENU] key once or twice to display the main menu.
2. Select MESSAGES and then press the [ENT] key.
MESSAGES
ARRIVAL ALARM!
Messages display
3. Press the [MENU] key twice to close the menu.
Note: “NO FIX!” appears when a navigation device connected to the RD-30 can
not fix the ship’s position. “NO POSITION DATA!” appears when the own ship’s
position data has not been input from a navigation device for 90 seconds.