NORTHROP GRUMMAN Sperry Marine NAVIGAT X MK 2, Assembly Instructions Manual

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056341 Rev. AA NAVIGAT X Mk 2
Page 2-4 2: Operation
2.5 Adjusting the Display Brightness
2.6 Acknowledging Alarms / Muting the Audible Alarm
2.7 Optional Functions
The following functions are available only if the gyrocompass system is
equipped with the respective optional controls.
2.7.1 Acknowledging Alarms Remotely
On alarm, acknowlede the alarm from a remote device (e.g. a central alarm
panel). The audible alarm is muted. The alarm message will remain on the dis-
play screen until the alarm is confirmed at the operating unit.
Press key to increase the display brightness.
Press key to reduce the display brightness.
On alarm, press keys to acknowledge the alarm and clear the
alarm message from the display screen. The audible alarm is
muted simultaneously.
On alarm, press keys to mute the audible alarm.
The alarm message will remain on the display screen until the
alarm is acknowledged at the operating unit.
Note
When the cause of an alarm is eliminated, a pending alarm message is cleared
from the display and the audible alarm is muted automatically.
When an alarm has been confirmed, the ext. alarm status output will remain ac-
tive until the cause of the alarm is eliminated.