A.4 Commands

b.Error code: Byte 0

Differentiates between current error or deferred error. This scanner returns X’70’ (“CURRENT ERROR” ).

c.Segment number: Byte 1

This scanner does not support SEGMENT NUMBER. This scanner returns X’00’.

d.FM (file mark) : Byte 2

This scanner does not support FM. This scanner returns B’0’.

e.EOM (end of medium) : Byte 2

Indicates the completion of window reading: 1 when completed, 0 when not completed

f.ILI (incorrect length indicator) : Byte 2

Indicates that an error in logical block length has been detected

g.Sense key: Byte 2

Indicates the logical unit status using a sense key. This scanner supports the sense keys shown in the following table:

Appendix A-43