Blue LEDs indicate progress: 25% , 50% , 75% , and 100% . When all four lights are solid, the clone is complete. Technical Specifications Interface
Here are the direct feature explanations as they would appear in the official Unitek Y-ST030004 manual: unitek y-st03004 manual
One of the key features of the Unitek Y-ST03004 is its ability to clone a drive without a computer. Blue LEDs indicate progress: 25% , 50% , 75% , and 100%