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CHAPTER 3 Settings and Measurement
(2)-5 AC line lter
This is used to enable or disable or disables the AC line lter while external sampling is enabled.
Enable this setting to enable the digital lter. When you use external sampling and measure signals with
high noise levels, set the AC line lter to ON.
The shortest interval is displayed under the settings.
Shortest interval
The shortest interval is as shown in the following table:
Number of Measuring
Channels *
1
Shortest interval
AC line lter (Digital lter) OFF AC line lter (Digital lter) ON
1CH 10ms 200ms
2CH 20ms 500ms
3CH to 5CH 50ms 1s
6CH to 10CH 100ms 1s
*1 The Number of Measuring Channels is the number of channels for which the input setting is not OFF.
(2)-6 Backup setting
The GL240 has a function that periodically backs up captured data. (See the gure below)
GL240
FTP server
Ethernet
The data is backed up automatically
to the internal memory (SD1) or SD CARD2 (SD2)
Automatic backup to an FTP server
SD CARD
x GB
Lock
Measurement input
Setting Description
Backup interval Sets the backup interval for captured data.
Off, 1, 2, 6, 12, 24 hours
Backup destination Sets the backup destination for captured data.
SD1 (Internal
memory)
Backs up the captured data to the internal memory (SD1).
This is used only when recording to the SD memory card 2.
SD2
(SD CARD2)
Back up the data to the SD memory card in the SD CARD2 (SD2) slot.
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 FTP/WEB server settings”.)
* The wireless unit B-568 (optional) is required.
[Backup] Sets the folder for saving a backup le.
* This must be a folder on the internal memory (SD1), SD memory card (SD2)
or an FTP server.
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