diff --git a/Moozy_firmware.ino b/Moozy_firmware.ino
index 05784b3..2028231 100644
--- a/Moozy_firmware.ino
+++ b/Moozy_firmware.ino
@@ -91,12 +91,12 @@ void setup() {
 // Main loop
 // -------------
 void loop() {
-  if (!digitalRead(PinInput0)) { todo = fctinput0; }
-  if (!digitalRead(PinInput1)) { todo = fctinput1; }
-  if (!digitalRead(PinInput2)) { todo = fctinput2; }
-  if (!digitalRead(PinInput3)) { todo = fctinput3; }
+  if ((!digitalRead(PinInput0)) & (fctinput0 !="")) { todo = fctinput0; }
+  if ((!digitalRead(PinInput1)) & (fctinput1 !="")) { todo = fctinput1; }
+  if ((!digitalRead(PinInput2)) & (fctinput2 !="")) { todo = fctinput2; }
+  if ((!digitalRead(PinInput3)) & (fctinput3 !="")) { todo = fctinput3; }
 
-  if ((todo != "") & (millis() > debouncetime + 100)) {
+  if ((todo != "") & (millis() > debouncetime + 75)) {
     digitalWrite(LedMoozy, true); // for debug
     if ((todo =="LC")  & (!doNotRepeat)) {doNotRepeat = true; dolc();  }
     if ((todo =="LCD") & (!doNotRepeat)) {doNotRepeat = true; dolcd(); }