diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index c2637098..8820d15f 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -158,7 +158,7 @@ void setup() {
      configure_wifi();	  
   }
 */	
-///  start_button_isr(); 
+  start_button_isr(); 
 	
 //  setup_sstv();
   picosstvpp_begin(26);
@@ -3773,7 +3773,7 @@ void start_button_isr() {
 
   Serial.println("Starting pushbutton ISR");
 	
-  if (ITimer1.attachInterruptInterval(10000, TimerHandler1))
+  if (ITimer1.attachInterruptInterval(100000, TimerHandler1))
   {
     if (debug_mode)	  
       Serial.print(F("Starting ITimer1 OK, micros() = "));