Yokogawa DR240 Manual do Utilizador Página 157

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9-15
IM DR232-01E
9
Event/Action Function and Other Functions
Any of the following functions are executed by pressing the ENTER key. After that, the recorder
returns to the operation mode.
Alarm acknowledgment (ALARM ACK)
When the alarm display hold (ALARM HOLD), on page 10-8 is set to ON, the alarm
acknowledgment menu appears.
For the alarm display hold functions, see Section 2.4, Alarm Function, on page 2-15.
Alarm reset (ALARM RST)
When the relay hold function (on page 10-11) is set to ON, the alarm reset menu appears.
For the alarm reset functions, see Section 2.4, Alarm Function, on page 2-15.
Timer reset (TIMER RESET)
For the timer reset functions, see Section 2.3, Recording Functions, on page 2-8.
Computation start (MATH START)
Starts computation. For details, refer to Chapter 12, Executing Computation.
Computation clear start (MATH CLR START)
Clears computation results then re-starts computation.
Computation stop (MATH STOP)
Stops computation.
Clearing Incomplete Measurement Status (MATH ACK)
Clears the status indication displayed due to incomplete measurement which occurred during
computation.
Keylock function (KEY LOCK ON)
For the keylock functions, see Section 2.6, Other Functions, on page 2-17.
The KEY LOCK ON is displayed after selecting the keylock (see page 10-16).
Enter a password (A CODE NUMBER) and then press the ENTER key to actuate the keylock
functions. The KEY LOCK OFF menu then appears.
Enter the FUNC menu, select KEY LOCK OFF and then enter a password (A CODE
NUMBER). Press the ENTER key to release the keylock functions. The menu returns to KEY
LOCK ON.
To set a password, see page 10-16.
When the keylock functions are actuated, the KEYLOCK lights up.
Message printout (MSG PRINT)
Prints out messages. For details, see Section 7.3, Starting Message Printing, on page 7-3.
Select a message from the corresponding code 01 to 20.
9.3 Alarm Acknowledgment, Alarm Reset, Timer Reset, Keylock, and Message Printout
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