Select Partial Measures, from the Mass Mover Menu, must be checked to use these options. Type the beat or EDU value you want to begin the selection here. Use this popup menu to specify the top staff you want included in your selection. Type the beat or EDU value you want to end the selection here. Use this popup menu to specify whether you want the selection to end on a specific beat or a specific EDU. (1024 EDUs = quarter note.) Use this popup menu to specify the bottom staff you want included in your selection. Type the last measure you want selected here. The region you’re selecting will end on a specific beat of the indicated measure. To end the selection at the end of a measure, click this box. To specify a region that ends on a specific beat of the indicated measure, select this checkbox. Type the first measure you want selected here. The region you’re selecting will begin on a specific beat of the indicated measure. To begin the selection with a measure's downbeat, click this box. To select a region that begins on a specific beat of the indicated measure, select this checkbox. Use this popup menu to specify whether you want the selection to begin on a specific beat or a specific EDU. (1024 EDUs = quarter note.) To close the dialog box without selecting anything, click this button. To close the dialog box and select the region you’ve specified, click this button.