What is the process of Checkout library volume ?

>>-CHECKOut LIBVolume--library_name----+-volume_name-+---------->

                                        '-| A |-------'

    .-REMove--=--Bulk-----.  .-CHECKLabel--=--Yes-----.

 >--+---------------------+--+------------------------+---------->

    '-REMove--=--+-Yes--+-'  '-CHECKLabel--=--+-Yes-+-'

                 +-No---+                     '-No--'

                 '-Bulk-'

    .-FORCE--=--No------.

 >--+-------------------+---------------------------------------><

    '-FORCE--=--+-No--+-'

                '-Yes-'

 A :

 |--+-VOLRange--=----volume_name1,volume_name2---+---------------|

 SCSI Library

 >>-CHECKOut LIBVolume--library_name----+-volume_name-+---------->

                                       '-| A |-------'

    .-REMove--=--Bulk-----.  .-CHECKLabel--=--Yes-----.

 >--+---------------------+--+------------------------+---------->

    '-REMove--=--+-Yes--+-'  '-CHECKLabel--=--+-Yes-+-'

                 +-No---+                     '-No--'

                 '-Bulk-'

    .-FORCE--=--No------.

 >--+-------------------+---------------------------------------><

    '-FORCE--=--+-No--+-'

                '-Yes-'

 A :

 |--+-VOLRange--=----volume_name1,volume_name2---+---------------|

Remove :specifies the server tries to move the volumes out of the library and into the convenience i/o station or entry exit ports. this parameter is optional. default is bulk. possible values are yes, no, bulk