In Events message window information on current microscope status can be seen. All messages are stored in file with next filename format fmbDDMMYY.log (DDMMYY - current date, month and year) in the directory where fmboard.exe file is stored. In Errors window information on errors in microscope work, like sudden user disconnection due to network erros, can be seen. Log file for this window named fmberr.log stored in the same directory. Every error message is accompanied with sound signal.