Real-Time Plot to Disk
Data can be directly stored on a floppy disk, a hard disk, or a ram disk while being plotted on
the PC's screen by selecting "Plots" followed by "Real-Time Plotting to Disk".
Activation of this option is very similar to "Real-Time to Disk" (see Real-Time to Disk on
page 29) except that the data is plotted while being stored to disk.
Recording
Recording is initiated by selecting "Commands", followed by "Start Recording". At this
command, the PC will trigger the recording of AFR by the AFRecorder. The "Reset"
command may be used to stop a recording session in progress.
Note that recording is different from real-time to disk or real-time plot to disk data storage in
that recorded data is stored in the AFRecorder before being uploaded to the PC.
Uploading and Filing Recorded Data
After the recording session is completed, the recorded data can be uploaded to the PC for
analysis and storage. Data is uploaded by selecting "Commands" followed by "Upload
Recorded Data". The maximum time to upload recorded data is approximately four minutes
(for 10,000 measurements). This time varies with the type of PC used.
The uploaded data can be stored in the PC either in a compact format ("AFRemote format")
suitable for re-input and analysis by AFRemote, or in ASCII format suitable for input into
other data analysis programs. "File" followed by "Save Recorded Data" stores data in
AFRemote format. A filename will be requested for the recorded data. It is recommended
that a filename with the extension .AFR be used for these files. These files may be recalled
from disk later using the command "Load PC File Data".
"Create Export File" stores recorded data in ASCII format. A filename will be requested for
the recorded data. It is recommended that a filename with the extension .EXP be used for
these files. It takes much longer to store data in ASCII format than it does in AFRemote
format.
An "exported" recorded file is similar in appearance to an "exported" real-time to disk file
(see Figure 19) except that if an AFR sensor is not selected for recording (see Setup -
Record on page 18) then there will be zeros in the columns for that sensor, "L-R", and
"AVG".
Remote Mode Operation 31
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