AMG-100C device specific:

Go to Device
Plug in USB
Go to Menu by pressing down on M/OK button for a few seconds
Select PenDrive option
Select Download
Select Download Attlog
Press OK
Remove USB

 

Go to software and login
Go to Standard =>Poll
Click on tab From File
Choose the device
Click on browse
Select Removable Disk or USB Drive
Select 1_attlog file
Click Open
Click Poll