Japan Radio Co. JLN-740A, Instruction Manual

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6-17 Chapter 6 Setting by Using Menus (JLN-740N/741N)
6
Active
Unacknowledged
Active
Silenced
Active
Acknowledged
Normal
Rectified
Unacknowledged
Active
Responsibility
Transferred
Activate
(Caution)
Silence
<OPERATE>
Acknowledge
<OPERATE>
Acknowledge
Responsibility
transfer
Responsibility
transfer
Responsibility
transfer
Rectified
Responsibility
transfer
<OPERATE>
Acknowledge
Rectified
Rectified
Reactivate
Reactivate
Rectified
6.8. Alert list display
The alert that is currently occurring and not yet ACK and unresolved is displayed until it is ACKed
and restored. (A total of 40 items will be displayed.)
In the JLN - 740N, 8. alert list is displayed, in JLN - 741N, 7. alert list is displayed.
JLN-740N Alert list display example
For the displayed contents, see section 6.9.5. The display contents of JLN - 741N are different.
6.9. Alert
Constantly monitor the system for problems such as boat speed, when a cruise alert occurs or when
the boat speed can not be computed due to a decrease in the level of the received signal.
If an error is found, an alarm message is displayed on the LCD screen.
A buzzer sounds also when a warning occurs.
The alert icon display will not be lost until the alert is restored.
In this chapter, state transition diagram, alert list, ID list are shown as explanation of alert in general.
Below is a list of possible causes of alert items.
Status Warning Caution
Normal N N
Active
Unacknowledged
WV CV
Active Silenced
WS
Active
Acknowledged
WA CA
Rectified
Unacknowledged
WU
Active
Responsibility
Transferred
WO