1. insert the source hard disk into the source slot (A) of the hard disk and then insert the destination hard disk (B) into the destination slot of the hard disk.
2. make sure that the capacity of the destination hard disk is larger than that of the source hard disk (B>A)
3. make sure that the USB cable is disconnected from your computer
4. connect the power supply and switch on.
5. press the button to the clone side and then press the start button for 3 seconds. When the cloning lights flash, the cloning process starts.
6. 4 LED indicators flash and light up one after another to indicate the cloning progress of 25%-50%-75%-100%.
7. when the offline clone is 100% complete, 4 LED lights remain on until the device is switched off.
8. finally, press the power switch to the OFF position and eject your drives.