--- a/svghmi/svghmi.c	Fri Nov 15 10:34:14 2019 +0100
+++ b/svghmi/svghmi.c	Tue Dec 03 09:44:48 2019 +0100
@@ -337,7 +337,6 @@
                 {
                     hmi_tree_item_t *dsc = &hmi_tree_item[index];
                     update_refresh_period(dsc, refresh_period_ms);
-                    printf("OK\n");
                 }
                 else 
                 {