Index: lams_central/web/main.jsp
===================================================================
diff -u -r088e35daf287cc991a0bf263533681cdfb11ec3b -r614e3f4fc68c65d8b2d236d094bf088123b6ab9d
--- lams_central/web/main.jsp	(.../main.jsp)	(revision 088e35daf287cc991a0bf263533681cdfb11ec3b)
+++ lams_central/web/main.jsp	(.../main.jsp)	(revision 614e3f4fc68c65d8b2d236d094bf088123b6ab9d)
@@ -433,6 +433,10 @@
 			            //toggle buttons
 			            $(".auxiliary-links-menu", $table).toggle();
 
+			            if (isUserMonitor) {
+				            $("td.chart-td", lessonsTable).toggleClass("d-none d-sm-table-cell");
+				        }
+
 		                dt.draw('page');
 		            },
 		            'className': 'btn-sm btn-light',