-By pressing and holding the OK key before switching the Power button to the ON position, the GPR device ignores the memory card (goes into operation without storage on the card).

-To transfer the data stored on the GPR memory card to the PC, connect the switched-off device (Start button in the OFF position) to the PC via USB, then open the GPR_PC_Transfer_english program in which the virtual serial port assigned to the device must be searched and selected, then click on the "Load from GPR" button, which will cause the device to reset and then transfer the data from the memory card to the PC, followed by the automatic deletion of the data from the memory card (indicated by the message on the LCD screen of the device) and display of the GPR image in the PC program. A dialog window appears for naming and saving the data to a file on the PC.

Structure of the PC file: Spreadsheet, first row consists of the propagation speed index (first element) followed by 255 zeroes, the next rows contain each the 256 time-domain samples of the aquired signals (one aquisition per row). The delimiter is \t.  

-To view an existing file on the PC in the GPR_PC_Transfer_english program, click on the "Load file" button. In the dialog window that will open, select the desired file.