Profound VIBRA Series Manual page 62

In paragraph 4.1.4 – geophone detection you can find more information about the abovementioned codes.
Option Append (PC software)
The daily received data via e-mail can be merged to one file with the option Append in the File menu of
the VIBRA PC software. Open one of the received files, preferably the file first received and then append
other files via this option.
+
Please note: these data files should all have been sent by the same VIBRA
and of the same
measurement to merge the files successfully.
Example daily status and data e-mail:
Manual Profound VIBRA-series, version 2.00
62