Sperry Marine Visionmaster FT ECDIS, Руководство пользователя

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Basic Operation of ECDIS ECDIS User Guide
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Operator Messages
The system generates messages that appear in order to either confirm an
action to proceed that the operator has requested, for example, when
switching from Transmit to Standby. Or a message to confirm an action that
the system is about to make, for example to acknowledge a change of own
ship's course on a monitored route.
Action Required Messages
If an Action Required message is confirming an
operator action the window will include an OK
button and a Cancel button. The action is
confirmed by clicking the OK button, or if the
action is to be cancelled the Cancel button is
clicked.
If the action requested by the operator cannot be
done, the system displays the reason for not
proceeding with the action and a confirmation (OK)
button.
While an Action Required message is active the
system periodically sounds an audible indicator,
which may be muted by the operator, see Alert
Buzzer.
Operator Messages
Operator messages are used to notify the users at
all nodes about course changes on a monitored
route (see Monitor Route), or when the system is
transitioning into or out of track control mode.
When an operator message is displayed, the
buzzer is sounded briefly to alert the operator to
their presence. All Operator Messages include an
Acknowledge button.
If a message is not acknowledged after a period of
30 seconds it is then escalated to an Alert.