Niveo Professional NNAS-R4 - Manual (Page 17)

NAS System
User Manual 17
2.2.5 LCD Menu Diagram
Disk Status Information:
S 001 - means slot number 1
*O* - means disk drive in slot is Online or detected
*X* - means no disk drive in slot or disk drive not detected
*R* - means the disk drive is rebuilding
*F* - means the disk drive is failed