12-19
IM 701730-01E
Saving and Loading Data
12
Properties
Displays information about the selected file including the name, extension, the file size,
the date the file was saved, the attribute, and the comment.
Unload
When waveform data is loaded and displayed, newly acquired data are not displayed
even when waveform acquisition is started. To display the newly acquired waveforms,
you must unload the data that has been loaded into the respective channel.
Note
•
An error occurs if a key other than the Abort key is pressed while saving or loading a file.
•
Saving and loading is not possible while waveform acquisition is in progress.
•
If you change the extension of the data saved (on a PC, for example), the file can no longer
be loaded.
•
Files that do not have an archive attribute are not displayed in the File List window. Do not
remove the archive attribute of the files saved by the instrument using your PC.
•
Up to forty-two characters can be displayed in the path.
•
File names are not case-sensitive. Comments are case-sensitive. In addition, the following file
names cannot be used due to limitations of MS-DOS.
AAUX, CON, PRN, NUL, CLOCK, COM1 to COM9, and LPT1 to LPT9
•
The waveform data loaded from a file overwrites the waveform data in the acquisition
memory. Once the memory is overwritten, the old data cannot be recovered. It is
recommended that the current waveform data be saved before loading data from a file.
•
Loaded waveforms are cleared only when Unload, Initialize, or Auto Setup is executed or
when the waveform acquisition condition is changed.
•
If the total number of files and directories exceeds 2500 in a single directory, the file list is no
longer displayed.
•
This function cannot be used when using the FTP server function, FTP client function, the
LPR client function, or the Web server function.
•
Files with the extension .WVF and .HDR are saved as file pairs. If you specify “...” for the files
to be displayed (Filter) on the File List and manipulate individual files (Delete, Rename, or
Copy), the files can no longer be loaded.
Data Format When Storing Multiple Records
When multiple records are stored (in history memory, for example), the following data
format is used.
ASCII format: CR+LF between records
<Header>
CH1’s measured data 1-1, CH2’s measured data 1-1, CH3’s measured data 1-1, [CR+LF]
CH1’s measured data 1-2, CH2’s measured data 1-2, CH3’s measured data 1-2, [CR+LF]
CH1’s measured data 1-m, CH2’s measured data 1-m, CH3’s measured data 1-m, [CR+LF]
[CR+LF]
CH1’s measured data 2-1, CH2’s measured data 2-1, CH3’s measured data 2-1, [CR+LF]
CH1’s measured data 2-2, CH2’s measured data 2-2, CH3’s measured data 2-2, [CR+LF]
CH1’s measured data 2-n, CH2’s measured data 2-n, CH3’s measured data 2-n, [CR+LF]
[CR+LF]
Record 1
Record 2
Float format: data saved together by channel
Measured data of CH1, record 1
Measured data of CH1, record 2
Measured data of CH1, record N
Measured data of CH2, record 1
Measured data of CH2, record 2
Measured data of CH2, record N
12.5 Saving/Loading the Waveform Data
