lssm-single-selection (value 1)  | It’s possible to select a single row at a time.  In this mode, if the Check-List style is set, radio buttons are shown before the List-Box items.  | 
lssm-single-interval-selection (value 2)  | It’s possible to select more contiguous rows at a time.  If the Check-List style is set, the same effect of lssm-multiple-interval-selection (value 4) is obtained.  | 
lssm-multiple-interval-selection (value 4)  | It’s possible to select more rows  at a time, even if they’re not contiguous.  In this mode, if the Check-List style is set, check boxes are shown before the List-Box items.  | 
screen section. ...   03 screen-1-lbc-1 List-Box      line 5.7      column 3.1      size 34.6 cells       lines 15.5 cells       id 1      check-list      selection-mode 4      .  |