GRAPHTEC midi LOGGER HV User Manual page 166

CHAPTER 3 Settings and Measurement
(7)-4 Remove/replace SD card/USB memory
The SD card/USB memory can be not swapped during data back up.
Perform the card replacement according to the following procedure.
(1) Press the [FILE] key to open the FILE menu.
(2) Press [ENTER] key to perform "Remove/replace SD card/USB memory.
< File Menu >
(3) Make sure that the message is displayed and then remove the SD card/USB memory.
Do not remove the SD card/USB memory until the remove/replace message is displayed .
Data may become corrupt and inaccessible .
(4) Insert the new SD card/USB memory.
(5) Make sure that the device access indicator turns green and then press [ENTER] key. For access to
device access indicator, refer to "3.1 Window names and functions".
Please perform the memory replacement within the displayed time in the message . If the displayed time
passes, data will be erased .
Each time the SD card/USB memory is replaced, the _CHG number is added to the backup file name.
Example : When backing up with backup file name " TEST".
1st SD card/USB memory: TEST_BAK2 .GBD
2nd SD card/USB memory: TEST_BAK2_CHG1 .GBD
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< Remove/replace SD card >
When SD card is attached
When SD card is attached
< Remove/replace USB memory >
When USB memory is attached
When USB memory is attached