GRAPHTEC GL840 User Manual page 129

Setting
Backup destination
Save folder
If ring capture is On, the backup function is not available.
It takes a time for writing after recoding was stopped when many channels are recoding, when interval
sampling is fast, when backup interval is long, because the backup data size becomes large.
Sometimes the backup will be failed when the backup data is saved to the FTP server via the wireless LAN
by condition of Wifi communication.
When the sampling interval is faster than the 100 ms the backup of CSV format is not able to perform.
It cannot be used in 10 ms, 20 ms, and 50 ms.
When the capture in CSV format and backup function are enabled, SD CARD replacement and relay capture
are not possible.
When the external sampling function is ON the backup function is not able to perform.
The media cannot be replaced when saving to an FTP server.
When using trigger repeat, the repeat interval may become long because the next capturing is started after
the backup writing is completed.
If the backup fails during capturing, the "backup failure" is displayed as a status message. In that case, the
status message will be cleared by executing the error clear.
Sets the backup destination for captured data.
SD1 (Internal Backs up the captured data to the internal memory (SD1).
memory) This is used only when recording to the SD CARD 2.
SD2 Back up the data to the SD CARD in the SD CARD2 (SD2) slot.
(SD CARD2) This is used only when recording to the internal memory (SD1).
FTP Backs up data to an FTP server on the network.
*The FTP server settings must be made using the FILE menu.
(Refer to "(4)-5 OTHER settings".)
Sets the folder for saving a backup file.
* This must be a folder on the internal memory (SD1), SD CARD (SD2) or an FTP server.
Example: \GRAPHTEC\20091205
CHAPTER 3 Settings and Measurement
Description
3-53