Yokogawa DR240 Bedienungsanleitung Seite 43

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Seitenansicht 42
2-17
IM DR232-01E
2
Functions
2.6 Other Functions
Event/Action Function
Following the occurrence of an event such as remote control signal (12), alarm, internal switch,
chart end signal (out-of-paper), timer, match time or key operation, any of the following actions
can occur.
Alarm acknowledge
(refer to page 2-15)
Alarm reset
(refer to page 2-15)
Timer reset
(refer to page 2-8)
Recording start/stop
According to the recording mode and recording format, recording will start/stop
Manual printout
(refer to page 2-12)
Digital printout
(refer to page 2-6)
Message printout
(refer to page 2-12)
Message display
A preset message will be displayed on the main display
Change of chart speed/recording interval
Chart speed 1 and recording interval 1 will change to chart speed 2 and recording interval 2,
and analog trend and logging recording will be carried out. Usually recording will be carried
out using chart speed 1 (set at the menu displayed after having pressed the CHART key) and
with recording interval 1 (set at the menu displayed after having pressed the SET key at a
touch). Upon the occurrence of an event, recording will be carried out using chart speed 2 and
with recording interval 2 (set at the menu displayed after having pressed the SET key for three
seconds).
Group trend recording
(refer to page 2-9)
Saving and reading of measured data, computed data and set-up data
This function is available if the instrument is equipped with a floppy disk drive.
This function enables saving of data to the internal RAM disk or floppy disk and reading of
data into the instrument.
Starting/stopping of computation, reset, clear, status clear, and group reset
This function is available if the instrument is equipped with the computation function or
equipped with a floppy disk drive.
This function enables starting and stopping of computation and resetting and clearing of
computed data.
Flag
Valid only for models with mathematical option (/M1.)
Set the flag to 1.
Key-Lock Function
This function prevents alterations by careless key operations. When the key-lock function is
activated, the indicator KEYLOCK at the right side of the display will be lit. All key
operations, except power ON/OFF, DISP/MODE key and the cursor, will then be disabled.
However, you can preset whether RECORD/FEED/PRINT/FUNC/M.FUNC1 and M.FUNC2
keys will remain operable even after key-lock has been set. Furthermore, when activating or
releasing the key-lock, a menu for password verification appears to prevent the key-lock to be
used by unauthorized operators.
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