diff --git a/simulator/send-random/send-random.ino b/simulator/send-random/send-random.ino
index a937b7b..5dbb913 100644
--- a/simulator/send-random/send-random.ino
+++ b/simulator/send-random/send-random.ino
@@ -5,7 +5,7 @@
 /* -------------------------------------------------- */
 
 #define NBVAL   4
-#define DELAI   1664
+#define DELAI   1789
 
 int   values[NBVAL];
 
@@ -23,11 +23,11 @@ void updatevalues(void)
 {
   int foo;
   for (foo=0; foo<NBVAL; foo++) {
-    if (rand()%100<33) {
+    if (rand()%100<42) {
       values[foo] += (foo + 1);
       }
     if (values[foo] > 1023) {
-      values[foo] = rand()%25;
+      values[foo] = rand()%5;
       }
   }
 }