Button   Code           Meaning            Mapped By      

 B1      0x1008ff20     XF86Calendar       XKeysymDB

 B2      0xaf9          XK_telephone       keysymdef.h
       
 B3      0xff67         XK_Menu            keysymdef.h

 B4      0x1008ff1a     XF86Start          XKeysymDB

 Up      0xff52         XK_Up              keysymdef.h

 Down    0xff54         XK_Down            keysymdef.h

 Left    0xff51         XK_Left            keysymdef.h    

 Right   0xff53         XK_Right           keysymdef.h

 Center  0xff8d         XK_KP_Enter        keysymdef.h

 Record  0x1008ff1c     XF86AudioRecord    XKeysymDB