diff --git a/TEF6686_ESP32.ino b/TEF6686_ESP32.ino
index 1eb05c0..4da65bd 100644
--- a/TEF6686_ESP32.ino
+++ b/TEF6686_ESP32.ino
@@ -1119,6 +1119,10 @@ void doBandSelectionFM() {
         SelectBand();
       }
       break;
+    case FM_BAND_NONE:
+      ToggleBand(band);
+      SelectBand();
+      break;
   }
 }
 
@@ -1178,6 +1182,29 @@ void doBandSelectionAM() {
         SelectBand();
       }
       break;
+    case AM_BAND_NONE:
+      ToggleBand(band);
+      SelectBand();
+      break;
+  }
+}
+
+void AMjumptoFM() {
+  if (bandFM != FM_BAND_NONE) {
+    if (bandFM == FM_BAND_FM) band = BAND_FM; else band = BAND_OIRT;
+  } else {
+    // do nothing
+  }
+}
+
+void FMjumptoAM() {
+  if (bandAM == AM_BAND_ALL || bandAM == AM_BAND_LW_MW || bandAM == AM_BAND_LW_SW || bandAM == AM_BAND_LW) {
+    band = BAND_LW;
+    if (stepsize > 3) stepsize = 3;
+  } else if (bandAM == AM_BAND_MW_SW || bandAM == AM_BAND_MW) {
+    band = BAND_MW;
+  } else if (bandAM == AM_BAND_SW) {
+    band = BAND_SW;
   }
 }
 
@@ -1188,51 +1215,56 @@ void ToggleBand(byte nowBand) {
         band = BAND_MW;
       } else if (bandAM == AM_BAND_LW_SW) {
         band = BAND_SW;
-      } else if (bandAM == AM_BAND_LW) {
-        if (bandFM == FM_BAND_FM) band = BAND_FM; else band = BAND_OIRT;
+      } else if (bandAM == AM_BAND_LW || bandAM == AM_BAND_NONE) {
+        AMjumptoFM();
       }
       break;
     case BAND_MW:
       if (bandAM == AM_BAND_MW_SW || bandAM == AM_BAND_ALL) {
         band = BAND_SW;
-      } else if (bandAM == AM_BAND_LW_MW || bandAM == AM_BAND_MW) {
-        if (bandFM == FM_BAND_FM) band = BAND_FM; else band = BAND_OIRT;
+      } else if (bandAM == AM_BAND_LW_MW) {
+        if (bandFM != FM_BAND_NONE) {
+          if (bandFM == FM_BAND_FM) band = BAND_FM; else band = BAND_OIRT;
+        } else {
+          band = BAND_LW;
+        }
+      } else if (bandAM == AM_BAND_MW || bandAM == AM_BAND_NONE) {
+        AMjumptoFM();
       }
       break;
     case BAND_SW:
-      if (bandFM == FM_BAND_FM) band = BAND_FM; else band = BAND_OIRT;
+      if (bandFM != FM_BAND_NONE) {
+        if (bandFM == FM_BAND_FM) band = BAND_FM; else band = BAND_OIRT;
+      } else {
+        if (bandAM == AM_BAND_LW_SW || bandAM == AM_BAND_ALL) {
+          band = BAND_LW;
+        } else if (bandAM == AM_BAND_MW_SW) {
+          band = BAND_MW;
+        } else if (bandAM == AM_BAND_SW || bandAM == AM_BAND_NONE) {
+          AMjumptoFM();
+        }
+      }
       break;
     case BAND_OIRT:
-      if (bandFM == FM_BAND_ALL) {
+      if (bandFM == FM_BAND_ALL || bandFM == FM_BAND_FM) {
         band = BAND_FM;
       } else if (bandFM == FM_BAND_OIRT) {
-        if (bandAM == AM_BAND_ALL || bandAM == AM_BAND_LW_MW || bandAM == AM_BAND_LW_SW || bandAM == AM_BAND_LW) {
-          band = BAND_LW;
-          if (stepsize > 3) stepsize = 3;
+        if (bandAM != AM_BAND_NONE) {
+          FMjumptoAM();
+        } else {
+          // do nothing
         }
-      } else if (bandAM == AM_BAND_MW_SW || bandAM == AM_BAND_MW) {
-        band = BAND_MW;
-      } else if (bandAM == AM_BAND_SW) {
-        band = BAND_SW;
-      } else if (bandFM == FM_BAND_FM) {
-        if (bandAM == AM_BAND_ALL || bandAM == AM_BAND_LW_MW || bandAM == AM_BAND_LW_SW || bandAM == AM_BAND_LW) {
-          band = BAND_LW;
-          if (stepsize > 3) stepsize = 3;
-        }
-      } else if (bandAM == AM_BAND_MW_SW || bandAM == AM_BAND_MW) {
-        band = BAND_MW;
-      } else if (bandAM == AM_BAND_SW) {
-        band = BAND_SW;
       }
       break;
     case BAND_FM:
-      if (bandAM == AM_BAND_ALL || bandAM == AM_BAND_LW_MW || bandAM == AM_BAND_LW_SW || bandAM == AM_BAND_LW) {
-        band = BAND_LW;
-        if (stepsize > 3) stepsize = 3;
-      } else if (bandAM == AM_BAND_MW_SW || bandAM == AM_BAND_MW) {
-        band = BAND_MW;
-      } else if (bandAM == AM_BAND_SW) {
-        band = BAND_SW;
+      if (bandAM != AM_BAND_NONE) {
+        FMjumptoAM();
+      } else {
+        if (bandFM == FM_BAND_OIRT || bandFM == FM_BAND_ALL) {
+          band = BAND_OIRT;
+        } else if (bandFM == FM_BAND_FM) {
+          // do nothing
+        } 
       }
       break;
   }
diff --git a/src/constants.h b/src/constants.h
index 266b2b9..5224d98 100644
--- a/src/constants.h
+++ b/src/constants.h
@@ -205,13 +205,13 @@ enum RADIO_BAND {
 // Toggle: LW -> MW -> SW
 enum RADIO_AM_BAND_SELECTION {
   AM_BAND_ALL = 0, AM_BAND_LW_MW, AM_BAND_LW_SW, AM_BAND_MW_SW,
-  AM_BAND_LW, AM_BAND_MW, AM_BAND_SW,
+  AM_BAND_LW, AM_BAND_MW, AM_BAND_SW, AM_BAND_NONE,
   AM_BAND_CNT
 };
 
 // Toggle: OIRT -> FM
 enum RADIO_FM_BAND_SELECTION {
-  FM_BAND_ALL = 0, FM_BAND_OIRT, FM_BAND_FM,
+  FM_BAND_ALL = 0, FM_BAND_OIRT, FM_BAND_FM, FM_BAND_NONE,
   FM_BAND_CNT
 };
 
diff --git a/src/gui.cpp b/src/gui.cpp
index 3e7876b..232b0fa 100644
--- a/src/gui.cpp
+++ b/src/gui.cpp
@@ -535,6 +535,7 @@ void BuildMenu() {
         case FM_BAND_ALL: tftPrint(1, myLanguage[language][105] + String(",") + myLanguage[language][106], 310, ITEM9 + 6, PrimaryColor, PrimaryColorSmooth, 16); break;
         case FM_BAND_OIRT: tftPrint(1, myLanguage[language][106], 310, ITEM9 + 6, PrimaryColor, PrimaryColorSmooth, 16); break;
         case FM_BAND_FM: tftPrint(1, myLanguage[language][105], 310, ITEM9 + 6, PrimaryColor, PrimaryColorSmooth, 16); break;
+        case FM_BAND_NONE: tftPrint(1, myLanguage[language][208], 310, ITEM9 + 6, PrimaryColor, PrimaryColorSmooth, 16); break;
       }
       tftPrint(1, String(fmscansens), 310, ITEM10 + 6, PrimaryColor, PrimaryColorSmooth, 16);
       break;
@@ -567,6 +568,7 @@ void BuildMenu() {
         case AM_BAND_LW: tftPrint(1, myLanguage[language][102], 310, ITEM4 + 6, PrimaryColor, PrimaryColorSmooth, 16); break;
         case AM_BAND_MW: tftPrint(1, myLanguage[language][103], 310, ITEM4 + 6, PrimaryColor, PrimaryColorSmooth, 16); break;
         case AM_BAND_SW: tftPrint(1, myLanguage[language][104], 310, ITEM4 + 6, PrimaryColor, PrimaryColorSmooth, 16); break;
+        case AM_BAND_NONE: tftPrint(1, myLanguage[language][208], 310, ITEM4 + 6, PrimaryColor, PrimaryColorSmooth, 16); break;
       }
 
       if (showSWMIBand) tftPrint(1, myLanguage[language][42], 310, ITEM5 + 6, PrimaryColor, PrimaryColorSmooth, 16); else tftPrint(1, myLanguage[language][30], 310, ITEM5 + 6, PrimaryColor, PrimaryColorSmooth, 16);
@@ -1268,6 +1270,7 @@ void MenuUp() {
               case FM_BAND_ALL: tftPrint(0, myLanguage[language][105] + String(",") + myLanguage[language][106], 155, 118, BackgroundColor, BackgroundColor, 28); break;
               case FM_BAND_OIRT: tftPrint(0, myLanguage[language][106], 155, 118, BackgroundColor, BackgroundColor, 28); break;
               case FM_BAND_FM: tftPrint(0, myLanguage[language][105], 155, 118, BackgroundColor, BackgroundColor, 28); break;
+              case FM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, BackgroundColor, BackgroundColor, 28); break;
             }
 
             bandFM++;
@@ -1277,6 +1280,7 @@ void MenuUp() {
               case FM_BAND_ALL: tftPrint(0, myLanguage[language][105] + String(",") + myLanguage[language][106], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case FM_BAND_OIRT: tftPrint(0, myLanguage[language][106], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case FM_BAND_FM: tftPrint(0, myLanguage[language][105], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
+              case FM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
             }
             break;
 
@@ -1327,6 +1331,7 @@ void MenuUp() {
               case AM_BAND_LW: tftPrint(0, myLanguage[language][102], 155, 118, BackgroundColor, BackgroundColor, 28); break;
               case AM_BAND_MW: tftPrint(0, myLanguage[language][103], 155, 118, BackgroundColor, BackgroundColor, 28); break;
               case AM_BAND_SW: tftPrint(0, myLanguage[language][104], 155, 118, BackgroundColor, BackgroundColor, 28); break;
+              case AM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, BackgroundColor, BackgroundColor, 28); break;
             }
 
             bandAM++;
@@ -1340,6 +1345,7 @@ void MenuUp() {
               case AM_BAND_LW: tftPrint(0, myLanguage[language][102], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case AM_BAND_MW: tftPrint(0, myLanguage[language][103], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case AM_BAND_SW: tftPrint(0, myLanguage[language][104], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
+              case AM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
             }
             break;
 
@@ -1840,15 +1846,17 @@ void MenuDown() {
               case FM_BAND_ALL: tftPrint(0, myLanguage[language][105] + String(",") + myLanguage[language][106], 155, 118, BackgroundColor, BackgroundColor, 28); break;
               case FM_BAND_OIRT: tftPrint(0, myLanguage[language][106], 155, 118, BackgroundColor, BackgroundColor, 28); break;
               case FM_BAND_FM: tftPrint(0, myLanguage[language][105], 155, 118, BackgroundColor, BackgroundColor, 28); break;
+              case FM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, BackgroundColor, BackgroundColor, 28); break;
             }
 
             bandFM--;
-            if (bandFM > FM_BAND_CNT) bandFM = FM_BAND_FM;
+            if (bandFM > FM_BAND_CNT) bandFM = FM_BAND_NONE;
 
             switch (bandFM) {
               case FM_BAND_ALL: tftPrint(0, myLanguage[language][105] + String(",") + myLanguage[language][106], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case FM_BAND_OIRT: tftPrint(0, myLanguage[language][106], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case FM_BAND_FM: tftPrint(0, myLanguage[language][105], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
+              case FM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
             }
             break;
 
@@ -1899,10 +1907,11 @@ void MenuDown() {
               case AM_BAND_LW: tftPrint(0, myLanguage[language][102], 155, 118, BackgroundColor, BackgroundColor, 28); break;
               case AM_BAND_MW: tftPrint(0, myLanguage[language][103], 155, 118, BackgroundColor, BackgroundColor, 28); break;
               case AM_BAND_SW: tftPrint(0, myLanguage[language][104], 155, 118, BackgroundColor, BackgroundColor, 28); break;
+              case AM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, BackgroundColor, BackgroundColor, 28); break;
             }
 
             bandAM--;
-            if (bandAM > AM_BAND_CNT) bandAM = AM_BAND_SW;
+            if (bandAM > AM_BAND_CNT) bandAM = AM_BAND_NONE;
 
             switch (bandAM) {
               case AM_BAND_ALL: tftPrint(0, myLanguage[language][102] + String(",") + myLanguage[language][103] + String(",") + myLanguage[language][104], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
@@ -1912,6 +1921,7 @@ void MenuDown() {
               case AM_BAND_LW: tftPrint(0, myLanguage[language][102], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case AM_BAND_MW: tftPrint(0, myLanguage[language][103], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case AM_BAND_SW: tftPrint(0, myLanguage[language][104], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
+              case AM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
             }
             break;
 
@@ -2349,6 +2359,7 @@ void DoMenu() {
               case FM_BAND_ALL: tftPrint(0, myLanguage[language][105] + String(",") + myLanguage[language][106], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case FM_BAND_OIRT: tftPrint(0, myLanguage[language][106], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case FM_BAND_FM: tftPrint(0, myLanguage[language][105], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
+              case FM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
             }
             break;
 
@@ -2388,6 +2399,7 @@ void DoMenu() {
               case AM_BAND_LW: tftPrint(0, myLanguage[language][102], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case AM_BAND_MW: tftPrint(0, myLanguage[language][103], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
               case AM_BAND_SW: tftPrint(0, myLanguage[language][104], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
+              case AM_BAND_NONE: tftPrint(0, myLanguage[language][208], 155, 118, PrimaryColor, PrimaryColorSmooth, 28); break;
             }
             break;
 
diff --git a/src/language.h b/src/language.h
index 272b4d4..19c1b59 100644
--- a/src/language.h
+++ b/src/language.h
@@ -1,6 +1,6 @@
 // [number of languages][number of texts]
 // *** means the text is the same as in English
-static const char* const myLanguage[18][208] = {
+static const char* const myLanguage[18][209] = {
   { "English", // English
     "Rotary direction changed", // 1
     "Please release button", // 2
@@ -208,7 +208,8 @@ static const char* const myLanguage[18][208] = {
     "Detected applications", // 204
     "Min.", // 205
     "Dynamic SPI speed", // 206
-    "Scan sensitivity" // 207
+    "Scan sensitivity", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Nederlands", // Dutch
@@ -418,7 +419,8 @@ static const char* const myLanguage[18][208] = {
     "Gedetecteerde applicaties", // 204
     "Min.", // 205 ***
     "Dynamische\nSPI snelheid", // 206
-    "Zoek gevoeligheid" // 207
+    "Zoek gevoeligheid", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Polski", // Polish
@@ -628,7 +630,8 @@ static const char* const myLanguage[18][208] = {
     "Wykryte aplikacje", // 204
     "Min.", // 205 ***
     "Dynam. predkosc SPI", // 206 ***
-    "Czulosc skanowania" // 207
+    "Czulosc skanowania", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Hrvatski", // Croatian
@@ -838,7 +841,8 @@ static const char* const myLanguage[18][208] = {
     "Otkrivene aplikacije", // 204
     "Min.", // 205 ***
     "Dynamic SPI speed", // 206 ***
-    "Scan sensitivity" // 207
+    "Scan sensitivity", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Ελληνικά", // Greek
@@ -1048,7 +1052,8 @@ static const char* const myLanguage[18][208] = {
     "Εντοπισμένες εφαρμογές", // 204
     "Λεπτά", // 205
     "Δυναμική ταχύτητα\nSPI", // 206
-    "Ευαισθησία\nανίχνευσης" // 207
+    "Ευαισθησία\nανίχνευσης", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Română", // Romanian
@@ -1258,7 +1263,8 @@ static const char* const myLanguage[18][208] = {
     "Identificare aplicații", // 204
     "Min.", // 205 ***
     "Dynamic SPI speed", // 206 ***
-    "Scan sensitivity" // 207
+    "Scan sensitivity", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Deutsch", // German
@@ -1469,6 +1475,7 @@ static const char* const myLanguage[18][208] = {
     "Min.", // 205
     "Dynamische \nSPI-Geschwindigkeit", // 206
     "Scanempfindlichkeit", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Český", // Czech
@@ -1678,7 +1685,8 @@ static const char* const myLanguage[18][208] = {
     "Detekované aplikace", // 204
     "Min.", // 205 ***
     "Dynamic SPI speed", // 206 ***
-    "Scan sensitivity" // 207
+    "Scan sensitivity", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Slovenský", // Slovak
@@ -1888,7 +1896,8 @@ static const char* const myLanguage[18][208] = {
     "Detegované aplikácie", // 204
     "Min.", // 205 ***
     "Dynamic SPI speed", // 206 ***
-    "Scan sensitivity" // 207
+    "Scan sensitivity", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Français", // French
@@ -2098,7 +2107,8 @@ static const char* const myLanguage[18][208] = {
     "Applications détectées", // 204
     "Min.", // 205
     "Vitesse SPI\ndynamique", // 206
-    "Sensibilité\ndu scanne " // 207
+    "Sensibilité\ndu scanne ", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Български", // Bulgarian
@@ -2308,7 +2318,8 @@ static const char* const myLanguage[18][208] = {
     "Detected applications", // 204 ***
     "Мин.", // 205
     "Dynamic SPI speed", // 206 ***
-    "Scan sensitivity" // 207
+    "Scan sensitivity", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Русский", // Russian
@@ -2518,7 +2529,8 @@ static const char* const myLanguage[18][208] = {
     "Обнаруженные приложения", // 204
     "мин.", // 205
     "Скорость шины дисплея (SPI)", // 206 ***
-    "Чувствительность сканирования" // 207
+    "Чувствительность сканирования", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Українська", // Ukranian
@@ -2728,7 +2740,8 @@ static const char* const myLanguage[18][208] = {
     "Виявлені програми", // 204
     "мін.", // 205
     "Dynamic SPI speed", // 206 ***
-    "Scan sensitivity" // 207
+    "Scan sensitivity", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Italiano", // Italian
@@ -2938,7 +2951,8 @@ static const char* const myLanguage[18][208] = {
     "Applicazioni rilevate", // 204 ***
     "Min.", // 205 ***
     "Velocità SPI Dinamico", // 206 ***
-    "Sensibilità scansione" // 207
+    "Sensibilità scansione", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Simplified Chinese", // Simplified Chinese
@@ -3148,7 +3162,8 @@ static const char* const myLanguage[18][208] = {
     "Detected applications", // 204 ***
     "分钟", // 205
     "调整SPI通讯速率", // 206
-    "搜索灵敏度" // 207
+    "搜索灵敏度", // 207
+    "不可用" // 208
   },
 
   { "Norsk", // Norwegian
@@ -3358,7 +3373,8 @@ static const char* const myLanguage[18][208] = {
     "Oppdaget applikasjoner", // 204
     "Min.", // 205 ***
     "Dynamisk SPI hastighet", // 206
-    "Skannefølsomhet" // 207
+    "Skannefølsomhet", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Español", // Spanish
@@ -3568,7 +3584,8 @@ static const char* const myLanguage[18][208] = {
     "Aplicaciones detectadas", // 204
     "Min.", // 205
     "Velocidad de SPI", // 206
-    "Sensibilidad\ndel escaneo" // 207
+    "Sensibilidad\ndel escaneo", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   },
 
   { "Português", // Portuguese
@@ -3778,6 +3795,7 @@ static const char* const myLanguage[18][208] = {
     "Aplicativos detectados", // 204
     "Min.", // 205
     "Velocidade dinâmica\nde SPI", // 206
-    "Sensibilidade\nda varredura" // 207
+    "Sensibilidade\nda varredura", // 207
+    "NONE" // 208 represents: AM/FM bands unavailable(please delete this note after translation）
   }
 };