GRAPHTEC midi LOGGER GL240 User Manual page 89

(2)-5 AC line filter
This is used to enable or disable or disables the AC line filter while external sampling is enabled.
Enable this setting to enable the digital filter. When you use external sampling and measure signals with
high noise levels, set the AC line filter to ON.
The shortest interval is displayed under the settings.
The shortest interval is as shown in the following table:
Number of Measuring
Channels *
1
1CH
2CH
3CH to 5CH
6CH to 10CH
*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 figure below)
Measurement input
Setting
Backup interval
Backup destination
Shortest interval
AC line filter (Digital filter) OFF
10ms
20ms
50ms
100ms
Automatic backup to an FTP server
GL240
Sets the backup interval for captured data.
Off, 1, 2, 6, 12, 24 hours
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 memory card 2.
SD2 Back up the data to the SD memory 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 FTP/WEB server settings".)
* The wireless unit B-568 (optional) is required.
[Backup] Sets the folder for saving a backup file.
* This must be a folder on the internal memory (SD1), SD memory card (SD2)
or an FTP server.
CHAPTER 3 Settings and Measurement
Shortest interval
AC line filter (Digital filter) ON
Ethernet
FTP server
The data is backed up automatically
to the internal memory (SD1) or SD CARD2 (SD2)
Description
200ms
500ms
1s
1s
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