diff --git a/ubitx_20/ubitx_20.ino b/ubitx_20/ubitx_20.ino
index 098e2af..f36c00e 100644
--- a/ubitx_20/ubitx_20.ino
+++ b/ubitx_20/ubitx_20.ino
@@ -382,7 +382,7 @@ void setNextHamBandFreq(unsigned long f, char moveDirection)
     resultFreq = (unsigned long)(hamBandRange[(unsigned char)findedIndex][0]) * 1000;
 
   setFrequency(resultFreq);
-  byteWithFreqToMode(loadMode);
+  byteToMode(loadMode, 1);
 }
 
 void saveBandFreqByIndex(unsigned long f, unsigned long mode, char bandIndex) {
@@ -537,12 +537,12 @@ void startTx(byte txMode, byte isDisplayUpdate){
       if (vfoActive == VFO_B) {
         vfoActive = VFO_A;
         frequency = vfoA;
-        byteToMode(vfoA_mode);
+        byteToMode(vfoA_mode, 0);
       }
       else if (vfoActive == VFO_A){
         vfoActive = VFO_B;
         frequency = vfoB;
-        byteToMode(vfoB_mode);
+        byteToMode(vfoB_mode, 0);
       }
 
       setFrequency(frequency);
@@ -597,12 +597,12 @@ void stopTx(){
       if (vfoActive == VFO_B){
         vfoActive = VFO_A;
         frequency = vfoA;
-        byteToMode(vfoA_mode);
+        byteToMode(vfoA_mode, 0);
       }
       else if (vfoActive == VFO_A){
         vfoActive = VFO_B;
         frequency = vfoB;
-        byteToMode(vfoB_mode);
+        byteToMode(vfoB_mode, 0);
       }
       setFrequency(frequency);
   } //end of else
@@ -755,27 +755,8 @@ void doRIT(){
     updateDisplay();
   }
 }
-
 /*
-void doIFShift(){
-  int knob = enc_read();
-  unsigned long old_freq = frequency;
-
-  if (knob != 0)
-  {
-    if (knob < 0)
-      ifShiftValue -= 1l;
-    else if (knob > 0)
-      ifShiftValue += 1;
-
-    updateLine2Buffer(1);
-    setFrequency(frequency);
-  }
-}
-*/
-
-/**
- save Frequency and mode to eeprom
+ save Frequency and mode to eeprom for Auto Save with protected eeprom cycle, by kd8cec
  */
 void storeFrequencyAndMode(byte saveType)
 {
@@ -807,6 +788,7 @@ void storeFrequencyAndMode(byte saveType)
   }
 }
 
+//calculate step size from 1 byte, compatible uBITX Manager, by KD8CEC
 unsigned int byteToSteps(byte srcByte) {
     byte powerVal = (byte)(srcByte >> 6);
     unsigned int baseVal = srcByte & 0x3F;
@@ -1019,12 +1001,12 @@ void initSettings(){
     
   if (vfoA > 35000000l || 3500000l > vfoA) {
      vfoA = 7150000l;
-     vfoA_mode = 2;
+     vfoA_mode = 2; //LSB
   }
   
   if (vfoB > 35000000l || 3500000l > vfoB) {
      vfoB = 14150000l;  
-     vfoB_mode = 3;
+     vfoB_mode = 3; //USB
   }
   //end of original code section
 
@@ -1100,7 +1082,7 @@ void setup()
   
   //Serial.begin(9600);
   lcd.begin(16, 2);
-  printLineF(1, F("CECBT v0.33")); 
+  printLineF(1, F("CECBT v0.35")); 
 
   Init_Cat(38400, SERIAL_8N1);
   initMeter(); //not used in this build
@@ -1119,7 +1101,7 @@ void setup()
   
   initPorts();     
 
-  byteToMode(vfoA_mode);
+  byteToMode(vfoA_mode, 0);
   initOscillators();
 
   frequency = vfoA;
@@ -1132,13 +1114,11 @@ void setup()
 }
 
 
-/**
- * The loop checks for keydown, ptt, function button and tuning.
- */
 //for debug
 int dbgCnt = 0;
 byte flasher = 0;
 
+//Auto save Frequency and Mode with Protected eeprom life by KD8CEC
 void checkAutoSaveFreqMode()
 {
   //when tx or ritOn, disable auto save
diff --git a/ubitx_20/ubitx_idle.ino b/ubitx_20/ubitx_idle.ino
index 2e1c782..974aef6 100644
--- a/ubitx_20/ubitx_idle.ino
+++ b/ubitx_20/ubitx_idle.ino
@@ -17,7 +17,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 **************************************************************************/
-byte line2Buffer[16];
+char line2Buffer[16];
 //KD8CEC 200Hz ST
 //L14.150 200Hz ST
 //U14.150 +150khz
@@ -53,8 +53,11 @@ void updateLine2Buffer(char isDirectCall)
       }
   
       return;
-    }
-    
+    } //end of ritOn display
+
+    //======================================================
+    //other VFO display
+    //======================================================
     if (vfoActive == VFO_B)
     {
       tmpFreq = vfoA;
@@ -82,23 +85,23 @@ void updateLine2Buffer(char isDirectCall)
     }
   
     //EXAMPLE #1
-    if ((displayOption1 & 0x04) == 0x00)
+    if ((displayOption1 & 0x04) == 0x00)  //none scroll display
       line2Buffer[6] = 'k';
     else
     {
       //example #2
-      if (freqScrollPosition++ > 18)
+      if (freqScrollPosition++ > 18)    //none scroll display time
       {
         line2Buffer[6] = 'k';
         if (freqScrollPosition > 25)
           freqScrollPosition = -1;
       }
-      else
+      else                              //scroll frequency 
       {
         line2Buffer[10] = 'H';
         line2Buffer[11] = 'z';
     
-        if (freqScrollPosition < 7)
+        if (freqScrollPosition < 7)   
         {
           for (int i = 11; i >= 0; i--)
             if (i - (7 - freqScrollPosition) >= 0)
@@ -115,10 +118,10 @@ void updateLine2Buffer(char isDirectCall)
               line2Buffer[i] = ' ';
         }
       }
-    }
+    } //scroll
+    
     line2Buffer[7] = ' ';
   } //check direct call by encoder
-
   
   if (isIFShift)
   {
@@ -152,24 +155,38 @@ void updateLine2Buffer(char isDirectCall)
     
     if (isDirectCall == 1)  //if call by encoder (not scheduler), immediate print value
         printLine2(line2Buffer);    
-  }
-  else
+  }       // end of display IF
+  else    // step display
   {
     if (isDirectCall != 0)
       return;
-      
+
+    memset(&line2Buffer[8], ' ', 8);
     //Step
-    byte tmpStep = arTuneStep[tuneStepIndex -1];
-    for (int i = 10; i >= 8; i--) {
+    long tmpStep = arTuneStep[tuneStepIndex -1];
+    
+    byte isStepKhz = 0;
+    if (tmpStep >= 1000)
+    {
+      isStepKhz = 2;
+    }
+      
+    for (int i = 10; i >= 8 - isStepKhz; i--) {
       if (tmpStep > 0) {
-          line2Buffer[i] = tmpStep % 10 + 0x30;
+          line2Buffer[i + isStepKhz] = tmpStep % 10 + 0x30;
           tmpStep /= 10;
       }
       else
-        line2Buffer[i] = ' ';
+        line2Buffer[i +isStepKhz] = ' ';
+    }
+    //if (isStepKhz == 1)
+    //  line2Buffer[10] = 'k';
+
+    if (isStepKhz == 0)
+    {
+      line2Buffer[11] = 'H';
+      line2Buffer[12] = 'z';
     }
-    line2Buffer[11] = 'H';
-    line2Buffer[12] = 'z';
   
     line2Buffer[13] = ' ';
     //if (
@@ -215,6 +232,9 @@ void idle_process()
   //space for user graphic display
   if (menuOn == 0)
   {
+    if ((displayOption1 & 0x10) == 0x10)    //always empty topline
+      return;
+      
     //if line2DisplayStatus == 0 <-- this condition is clear Line, you can display any message
     if (line2DisplayStatus == 0 || (((displayOption1 & 0x04) == 0x04) && line2DisplayStatus == 2)) {
       if (checkCount++ > 1)
diff --git a/ubitx_20/ubitx_menu.ino b/ubitx_20/ubitx_menu.ino
index 298701a..12fabfd 100644
--- a/ubitx_20/ubitx_menu.ino
+++ b/ubitx_20/ubitx_menu.ino
@@ -13,6 +13,36 @@
 #define printLineF1(x) (printLineF(1, x))
 #define printLineF2(x) (printLineF(0, x))
 
+void FrequencyToVFO(byte isSaveFreq)
+{
+  //Save Frequency & Mode Information
+  if (vfoActive == VFO_A)
+  {
+    vfoA = frequency;
+    vfoA_mode = modeToByte();
+
+    if (isSaveFreq)
+      storeFrequencyAndMode(1);
+  }
+  else
+  {
+    vfoB = frequency;
+    vfoB_mode = modeToByte();
+    
+    if (isSaveFreq)
+      storeFrequencyAndMode(2);
+  }
+}
+
+void menuClearExit(int delayTime)
+{
+  if (delayTime > 0)
+    delay_background(delayTime, 0);
+    
+  printLine2ClearAndUpdate();
+  menuOn = 0;
+}
+
 //Ham band move by KD8CEC
 void menuBand(int btn){
   int knob = 0;
@@ -27,8 +57,7 @@ void menuBand(int btn){
   printLineF2(F("Press to confirm"));
   //wait for the button menu select button to be lifted)
   while (btnDown()) {
-    delay(50);
-    Check_Cat(0);  //To prevent disconnections
+     delay_background(50, 0);
     if (btnPressCount++ > 20) {
       btnPressCount = 0;
       if (tuneTXType > 0) { //Just toggle 0 <-> 2, if tuneTXType is 100, 100 -> 0 -> 2
@@ -57,23 +86,13 @@ void menuBand(int btn){
     }
   }
   
-  delay(50);    
+  //delay(50);    
   ritDisable();
 
   while(!btnDown()){
 
     knob = enc_read();
     if (knob != 0){
-      /*
-      if (band > 3 && knob < 0)
-        band--;
-      if (band < 30 && knob > 0)
-        band++; 
-      if (band > 10)
-        isUSB = true;
-      else
-        isUSB = false;
-      setFrequency(((unsigned long)band * 1000000l) + offset); */
       if (tuneTXType == 2 || tuneTXType == 3 || tuneTXType == 102 || tuneTXType == 103) { //only ham band move
         if (knob < 0) {
           if (stepChangeCount-- < -3) {
@@ -87,9 +106,7 @@ void menuBand(int btn){
             stepChangeCount = 0;
           }
         }
-
-      //setFrequency(frequency + 200000l);
-      }
+      }       //end of only ham band move
       else {  //original source
         if (knob < 0 && frequency > 3000000l)
           setFrequency(frequency - 200000l);
@@ -105,19 +122,21 @@ void menuBand(int btn){
       updateDisplay();
     }
     
-    delay(20);
-    Check_Cat(0);  //To prevent disconnections
+    delay_background(20, 0);
   }
 
+/*
   while(btnDown()) {
     delay(50);
     Check_Cat(0);  //To prevent disconnections
   }
-  
-  delay(50);
-  
-  printLine2ClearAndUpdate();
-  menuOn = 0;
+*/  
+  FrequencyToVFO(1);
+
+  //printLine2ClearAndUpdate();
+  //delay_background(500, 0);
+  //menuOn = 0;
+  menuClearExit(500);
 }
 
 //Convert Mode, Number by KD8CEC
@@ -141,7 +160,9 @@ byte modeToByte(){
 }
 
 //Convert Number to Mode by KD8CEC
-void byteToMode(byte modeValue){
+//autoSetModebyFreq : 0
+//autoSetModebyFreq : 1, if (modValue is not set, set mode by frequency)
+void byteToMode(byte modeValue, byte autoSetModebyFreq){
   if (modeValue == 4)
     cwMode = 1;
   else if (modeValue == 5)
@@ -151,11 +172,14 @@ void byteToMode(byte modeValue){
     cwMode = 0;
     if (modeValue == 3)
       isUSB = 1;
+    else if (autoSetModebyFreq == 1 && (modeValue == 0))
+      isUSB = (frequency > 10000000l) ? true : false;
     else
       isUSB = 0;
   }
 }
 
+/*
 //Convert Number to Mode by KD8CEC
 void byteWithFreqToMode(byte modeValue){
   if (modeValue == 4)
@@ -172,99 +196,9 @@ void byteWithFreqToMode(byte modeValue){
       isUSB = 0;
   }
 }
-
-//VFO Toggle and save VFO Information, modified by KD8CEC
-void menuVfoToggle(int btn, char isUseDelayTime)
-{
-  if (!btn){
-    if (vfoActive == VFO_A)
-      printLineF2(F("Select VFO B?"));
-    else
-      printLineF2(F("Select VFO A?"));    
-  }
-  else {
-      if (vfoActive == VFO_B){
-        vfoB = frequency;
-        vfoB_mode = modeToByte();
-        storeFrequencyAndMode(2); //vfoB -> eeprom
-        
-        vfoActive = VFO_A;
-        frequency = vfoA;
-        saveCheckFreq = frequency;
-        byteToMode(vfoA_mode);
-        printLineF2(F("Selected VFO A"));
-      }
-      else {
-        vfoA = frequency;
-        vfoA_mode = modeToByte();
-        storeFrequencyAndMode(1); //vfoA -> eeprom
-        
-        vfoActive = VFO_B;
-        frequency = vfoB;
-        saveCheckFreq = frequency;
-        byteToMode(vfoB_mode);
-        printLineF2(F("Selected VFO B"));
-      }
-
-      ritDisable();
-      setFrequency(frequency);
-
-      if (isUseDelayTime == 1)        //Found Issue in wsjt-x Linux 32bit 
-        delay_background(500, 0);
-
-      printLine2ClearAndUpdate();
-      //exit the menu
-      menuOn = 0;
-  }
-}
-
-void menuRitToggle(int btn){
-  if (!btn){
-    if (ritOn == 1)
-      printLineF2(F("RIT:On, Off?"));
-    else
-      printLineF2(F("RIT:Off, On?"));
-  }
-  else {
-      if (ritOn == 0){
-        printLineF2(F("RIT is ON"));
-        //enable RIT so the current frequency is used at transmit
-        ritEnable(frequency);
-      }
-      else{
-        printLineF2(F("RIT is OFF"));
-        ritDisable();
-      }
-      menuOn = 0;
-      delay_background(500, 0);
-      printLine2ClearAndUpdate();
-  }
-}
-
-/*
-void menuIFSToggle(int btn){
-  if (!btn){
-    if (isIFShift == 1)
-      printLineF2(F("IF Shift:On, Off?"));
-    else
-      printLineF2(F("IF Shift:Off, On?"));
-  }
-  else {
-      if (isIFShift == 0){
-        printLineF2(F("IF Shift is ON"));
-        isIFShift = 1;
-      }
-      else{
-        printLineF2(F("IF Shift is OFF"));
-        isIFShift = 0;
-      }
-      menuOn = 0;
-      delay_background(500, 0);
-      printLine2ClearAndUpdate();
-  }
-}
 */
-void menuIFSToggle(int btn){
+
+void menuIFSSetup(int btn){
   int knob = 0;
   char needApplyChangeValue = 1;
   
@@ -275,18 +209,18 @@ void menuIFSToggle(int btn){
       printLineF2(F("IF Shift:Off, On?"));
   }
   else {
-      if (isIFShift == 0){
-        printLineF2(F("IF Shift is ON"));
-        delay_background(500, 0);
-        isIFShift = 1;
-      }
+      //if (isIFShift == 0){
+        //printLineF2(F("IF Shift is ON"));
+        //delay_background(500, 0);
+      isIFShift = 1;
+      //}
 
       delay_background(500, 0);
       updateLine2Buffer(1);
       setFrequency(frequency);
 
       //Off or Change Value
-      while(!btnDown() && digitalRead(PTT) == HIGH){
+      while(!btnDown() ){
         if (needApplyChangeValue ==1)
         {
           updateLine2Buffer(1);
@@ -313,7 +247,7 @@ void menuIFSToggle(int btn){
 
       delay_background(500, 0); //for check Long Press function key
       
-      if (btnDown() || digitalRead(PTT) == LOW || ifShiftValue == 0)
+      if (btnDown() || ifShiftValue == 0)
       {
         isIFShift = 0;
         printLineF2(F("IF Shift is OFF"));
@@ -321,38 +255,12 @@ void menuIFSToggle(int btn){
         delay_background(500, 0);
       }
       
-      menuOn = 0;
-      //delay_background(500, 0);
-      printLine2ClearAndUpdate();
+      //menuOn = 0;
+      //printLine2ClearAndUpdate();
+      menuClearExit(0);
   }
 }
 
-
-/* 
-void menuSidebandToggle(int btn){
-  if (!btn){
-    if (isUSB == true)
-      printLineF2(F("Select LSB?"));
-    else
-      printLineF2(F("Select USB?"));
-  }
-  else {
-      cwMode = 0;
-      if (isUSB == true){
-        isUSB = false;
-        printLineF2(F("LSB Selected"));
-      }
-      else {
-        isUSB = true;
-        printLineF2(F("USB Selected"));
-      }
-    setFrequency(frequency);
-    delay_background(500, 0);
-    printLine2ClearAndUpdate();
-    menuOn = 0;
-  }
-}
-*/
 void menuSelectMode(int btn){
   int knob = 0;
   int selectModeType = 0;
@@ -412,8 +320,7 @@ void menuSelectMode(int btn){
     }
 
     if (beforeMode != selectModeType) {
-      printLineF1(F("Changed Mode"));
-      
+      //printLineF1(F("Changed Mode"));
       if (selectModeType == 0) {
         cwMode = 0; isUSB = 0;
       }
@@ -427,19 +334,7 @@ void menuSelectMode(int btn){
         cwMode = 2;
       }
 
-      //Save Frequency & Mode Information
-      if (vfoActive == VFO_A)
-      {
-        vfoA = frequency;
-        vfoA_mode = modeToByte();
-        storeFrequencyAndMode(1);
-      }
-      else
-      {
-        vfoB = frequency;
-        vfoB_mode = modeToByte();
-        storeFrequencyAndMode(2);
-      }
+      FrequencyToVFO(1);
     }
 
   if (cwMode == 0)
@@ -448,73 +343,14 @@ void menuSelectMode(int btn){
     si5351bx_setfreq(0, cwmCarrier + (isIFShift ? ifShiftValue : 0));  //set back the carrier oscillator anyway, cw tx switches it off
     
     setFrequency(frequency);
-    delay_background(500, 0);
-    printLine2ClearAndUpdate();
-    menuOn = 0;
-  }
-}
 
-void menuSplitOnOff(int btn){
-  if (!btn){
-    if (splitOn == 0)
-      printLineF2(F("Split On?"));
-    else
-      printLineF2(F("Split Off?"));
-  }
-  else {
-      if (splitOn == 1){
-        splitOn = 0;
-        printLineF2(F("Split Off!"));
-      }
-      else {
-        splitOn = 1;
-        if (ritOn == 1)
-          ritOn = 0;
-        printLineF2(F("Split On!"));
-      }
-    delay_background(500, 0);
-    printLine2ClearAndUpdate();
-    menuOn = 0;
+    //delay_background(500, 0);
+    //printLine2ClearAndUpdate();
+    //menuOn = 0;
+    menuClearExit(500);
   }
 }
 
-/*
-//Select CW Key Type by KD8CEC
-void menuSetupKeyType(int btn){
-  if (!btn && digitalRead(PTT) == HIGH){
-      if (Iambic_Key)
-        printLineF2(F("Key: Straight?"));
-      else
-        printLineF2(F("Key: Fn=A, PTT=B"));
-  }
-  else {
-      if (Iambic_Key)
-      {
-        printLineF2(F("Straight Key!"));
-        Iambic_Key = false;
-      }
-      else
-      {
-        Iambic_Key = true;
-        if (btn)
-        {
-          keyerControl &= ~IAMBICB;
-          printLineF2(F("IAMBICA Key!"));
-        }
-        else
-        {
-          keyerControl |= IAMBICB;
-          printLineF2(F("IAMBICB Key!"));
-        }
-      }
-      
-    delay_background(500, 0);
-    printLine2ClearAndUpdate();
-    menuOn = 0;
-  }
-}
-*/
-
 //Select CW Key Type by KD8CEC
 void menuSetupKeyType(int btn){
   int knob = 0;
@@ -572,10 +408,11 @@ void menuSetupKeyType(int btn){
       else
         keyerControl |= IAMBICB;
     }
-    delay_background(2000, 0);
-    
-    printLine2ClearAndUpdate();
-    menuOn = 0;
+
+    //delay_background(2000, 0);
+    //printLine2ClearAndUpdate();
+    //menuOn = 0;
+    menuClearExit(1000);
   }
 }
 
@@ -655,10 +492,109 @@ void menuADCMonitor(int btn){
     delay_background(200, 0);
   } //end of while
       
-  printLine2ClearAndUpdate();
-  menuOn = 0;
+  //printLine2ClearAndUpdate();
+  //menuOn = 0;
+  menuClearExit(0);
 }
 
+//VFO Toggle and save VFO Information, modified by KD8CEC
+void menuVfoToggle(int btn, char isUseDelayTime)
+{
+  if (!btn){
+    if (vfoActive == VFO_A)
+      printLineF2(F("Select VFO B?"));
+    else
+      printLineF2(F("Select VFO A?"));    
+  }
+  else {
+      FrequencyToVFO(1);
+    
+      if (vfoActive == VFO_B){
+        //vfoB = frequency;
+        //vfoB_mode = modeToByte();
+        //storeFrequencyAndMode(2); //vfoB -> eeprom
+        
+        vfoActive = VFO_A;
+        frequency = vfoA;
+        saveCheckFreq = frequency;
+        byteToMode(vfoA_mode, 0);
+        //printLineF2(F("Selected VFO A"));
+      }
+      else {
+        //vfoA = frequency;
+        //vfoA_mode = modeToByte();
+        //storeFrequencyAndMode(1); //vfoA -> eeprom
+        
+        vfoActive = VFO_B;
+        frequency = vfoB;
+        saveCheckFreq = frequency;
+        byteToMode(vfoB_mode, 0);
+        //printLineF2(F("Selected VFO B"));
+      }
+
+      ritDisable();
+      setFrequency(frequency);
+
+      //if (isUseDelayTime == 1)        //Found Issue in wsjt-x Linux 32bit 
+      //  delay_background(500, 0);
+
+      //printLine2ClearAndUpdate();
+      //menuOn = 0;
+      menuClearExit(0);
+  }
+}
+
+void menuRitToggle(int btn){
+  if (!btn){
+    if (ritOn == 1)
+      printLineF2(F("RIT:On, Off?"));
+    else
+      printLineF2(F("RIT:Off, On?"));
+  }
+  else {
+      if (ritOn == 0){
+        printLineF2(F("RIT is ON"));
+        //enable RIT so the current frequency is used at transmit
+        ritEnable(frequency);
+      }
+      else{
+        printLineF2(F("RIT is OFF"));
+        ritDisable();
+      }
+      //delay_background(500, 0);
+      //printLine2ClearAndUpdate();
+      //menuOn = 0;
+      menuClearExit(500);
+  }
+}
+
+void menuSplitOnOff(int btn){
+  if (!btn){
+    if (splitOn == 0)
+      printLineF2(F("Split On?"));
+    else
+      printLineF2(F("Split Off?"));
+  }
+  else {
+      if (splitOn == 1){
+        splitOn = 0;
+        printLineF2(F("Split Off!"));
+      }
+      else {
+        splitOn = 1;
+        if (ritOn == 1)
+          ritOn = 0;
+        printLineF2(F("Split On!"));
+      }
+      
+    //delay_background(500, 0);
+    //printLine2ClearAndUpdate();
+    //menuOn = 0;
+    menuClearExit(500);
+  }
+}
+
+
 //Function to disbled transmission
 //by KD8CEC
 void menuTxOnOff(int btn, byte optionType){
@@ -677,9 +613,11 @@ void menuTxOnOff(int btn, byte optionType){
         isTxType &= ~(optionType);
         printLineF2(F("TX ON!"));
       }
-    delay_background(500, 0);
-    printLine2ClearAndUpdate();
-    menuOn = 0;
+      
+    //delay_background(500, 0);
+    //printLine2ClearAndUpdate();
+    //menuOn = 0;
+    menuClearExit(500);
   }
 }
 
@@ -702,21 +640,19 @@ void menuSetup(int btn){
       modeCalibrate = false;
       printLineF2(F("Setup:Off"));
     }
-   delay_background(2000, 0);
-   printLine2Clear();
-   menuOn = 0;
+   //delay_background(2000, 0);
+   //printLine2Clear();
+   //menuOn = 0;
+   menuClearExit(1000);
   }
 }
 
 void menuExit(int btn){
-
   if (!btn){
       printLineF2(F("Exit Menu?"));
   }
-  else{
-      printLine2ClearAndUpdate();
-      menuOn = 0;
-  }
+  else
+   menuClearExit(0);
 }
 
 void menuCWSpeed(int btn){
@@ -768,10 +704,11 @@ void menuCWSpeed(int btn){
       printLineF2(F("CW Speed set!"));
       cwSpeed = 1200/wpm;
       EEPROM.put(CW_SPEED, cwSpeed);
-      delay_background(2000, 0);
     //}
-    printLine2ClearAndUpdate();
-    menuOn = 0;
+    //delay_background(2000, 0);
+    //printLine2ClearAndUpdate();
+    //menuOn = 0;
+   menuClearExit(1000);
 }
 
 //Builtin CW Keyer Logic by KD8CEC
@@ -841,10 +778,11 @@ void menuSetupCwDelay(int btn){
       printLineF2(F("CW Delay set!"));
       cwDelayTime = tmpCWDelay / 10;
       EEPROM.put(CW_DELAY, cwDelayTime);
-      delay_background(2000, 0);
+      //delay_background(2000, 0);
     //}
-    printLine2ClearAndUpdate();
-    menuOn = 0;
+    //printLine2ClearAndUpdate();
+    //menuOn = 0;
+   menuClearExit(1000);
 }
 
 //CW Time delay by KD8CEC
@@ -890,10 +828,11 @@ void menuSetupTXCWInterval(int btn){
       printLineF2(F("CW Start set!"));
       delayBeforeCWStartTime = tmpTXCWInterval / 2;
       EEPROM.put(CW_START, delayBeforeCWStartTime);
-      delay_background(2000, 0);
+      //delay_background(2000, 0);
     //}
-    printLine2ClearAndUpdate();
-    menuOn = 0;
+    //printLine2ClearAndUpdate();
+    //menuOn = 0;
+   menuClearExit(1000);
 }
 
 
@@ -976,7 +915,8 @@ void factoryCalibration(int btn){
 
   while(btnDown())
     delay(50);
-  delay(100);
+
+  menuClearExit(100);
 }
 
 void menuSetupCalibration(int btn){
@@ -1040,8 +980,9 @@ void menuSetupCalibration(int btn){
   initOscillators();
   //si5351_set_calibration(calibration);
   setFrequency(frequency);    
-  printLine2ClearAndUpdate();
-  menuOn = 0;
+  //printLine2ClearAndUpdate();
+  //menuOn = 0;
+  menuClearExit(0);
 }
 
 void printCarrierFreq(unsigned long freq){
@@ -1114,8 +1055,9 @@ void menuSetupCarrier(int btn){
     si5351bx_setfreq(0, cwmCarrier);  //set back the carrier oscillator anyway, cw tx switches it off
   
   setFrequency(frequency);    
-  printLine2ClearAndUpdate();
-  menuOn = 0; 
+  //printLine2ClearAndUpdate();
+  //menuOn = 0; 
+  menuClearExit(0);
 }
 
 //Append by KD8CEC
@@ -1150,8 +1092,9 @@ void menuSetupCWCarrier(int btn){
     si5351bx_setfreq(0, cwmCarrier);
     printCarrierFreq(cwmCarrier);
 
-    Check_Cat(0);  //To prevent disconnections
-    delay(100);
+    //Check_Cat(0);  //To prevent disconnections
+    //delay(100);
+    delay_background(100, 0);
   }
 
   //save the setting
@@ -1168,10 +1111,12 @@ void menuSetupCWCarrier(int btn){
   else
     si5351bx_setfreq(0, cwmCarrier);  //set back the carrier oscillator anyway, cw tx switches it off
   
-  setFrequency(frequency);    
-  printLine2ClearAndUpdate();
-  menuOn = 0; 
+  setFrequency(frequency);
+  //printLine2ClearAndUpdate();
+  //menuOn = 0; 
+  menuClearExit(0);
 }
+
 //Modified by KD8CEC
 void menuSetupCwTone(int btn){
     int knob = 0;
@@ -1204,8 +1149,9 @@ void menuSetupCwTone(int btn){
       itoa(sideTone, b, 10);
       printLine2(b);
 
-      delay(100);
-      Check_Cat(0);  //To prevent disconnections
+      //delay(100);
+      //Check_Cat(0);  //To prevent disconnections
+      delay_background(100, 0);
     }
     noTone(CW_TONE);
     //save the setting
@@ -1217,8 +1163,9 @@ void menuSetupCwTone(int btn){
     else
       sideTone = prev_sideTone;
     
-    printLine2ClearAndUpdate();
-    menuOn = 0; 
+    //printLine2ClearAndUpdate();
+    //menuOn = 0; 
+  menuClearExit(0);
  }
 
 //Lock Dial move by KD8CEC
@@ -1256,8 +1203,9 @@ void doMenu(){
 
   //Appened Lines by KD8CEC for Adjust Tune step and Set Dial lock
   while(btnDown()){
-    delay(50);
-    Check_Cat(0);  //To prevent disconnections
+    //delay(50);
+    //Check_Cat(0);  //To prevent disconnections
+    delay_background(50, 0);
     
     if (btnDownTimeCount++ == (PRESS_ADJUST_TUNE / 50)) { //Set Tune Step 
       printLineF2(F("Set Tune Step?"));
@@ -1280,8 +1228,9 @@ void doMenu(){
     
     while (digitalRead(PTT) == HIGH && !btnDown())
     {
-      Check_Cat(0);  //To prevent disconnections
-      delay(50);  //debounce    
+      //Check_Cat(0);  //To prevent disconnections
+      //delay(50);  //debounce    
+      delay_background(50, 0);
 
       if (isNeedDisplay) {
         strcpy(b, "Tune Step:");
@@ -1348,7 +1297,7 @@ void doMenu(){
     else if (select < 40)
       menuRitToggle(btnState);
     else if (select < 50)
-      menuIFSToggle(btnState);
+      menuIFSSetup(btnState);
     else if (select < 60)
       menuCWSpeed(btnState);
     else if (select < 70)
@@ -1385,9 +1334,8 @@ void doMenu(){
 
   //debounce the button
   while(btnDown()){
-    delay(50);
-    Check_Cat(0);  //To prevent disconnections
+    delay_background(50, 0);  //To prevent disconnections
   }
-  delay(50);
+  //delay(50);
 }
 
diff --git a/ubitx_20/ubitx_ui.ino b/ubitx_20/ubitx_ui.ino
index f415268..5259bf1 100644
--- a/ubitx_20/ubitx_ui.ino
+++ b/ubitx_20/ubitx_ui.ino
@@ -235,7 +235,6 @@ char byteToChar(byte srcByte){
 void updateDisplay() {
   // tks Jack Purdum W8TEE
   // replaced fsprint commmands by str commands for code size reduction
-  
   // replace code for Frequency numbering error (alignment, point...) by KD8CEC
   int i;
   unsigned long tmpFreq = frequency; //