diff --git a/App/app/action.c b/App/app/action.c
index 87a7de2c..1792d474 100644
--- a/App/app/action.c
+++ b/App/app/action.c
@@ -114,6 +114,12 @@ void (*action_opt_table[])(void) = {
     //#else
     //    [ACTION_OPT_MUTE] = &FUNCTION_NOP,
     //#endif
+    #ifdef ENABLE_FEAT_F4HWN_AUDIO
+        [ACTION_OPT_RXA] = &ACTION_RxA,
+    #else
+        [ACTION_OPT_RXA] = &FUNCTION_NOP,
+    #endif
+
     #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
         [ACTION_OPT_POWER_HIGH] = &ACTION_Power_High,
         [ACTION_OPT_REMOVE_OFFSET] = &ACTION_Remove_Offset,
@@ -536,6 +542,14 @@ void ACTION_MainOnly(void)
     ACTION_Update();
 }
 
+#ifdef ENABLE_FEAT_F4HWN_AUDIO
+void ACTION_RxA(void)
+{
+    gSetting_set_audio = (gSetting_set_audio + 1) % 5;
+    RADIO_SetModulation(gRxVfo->Modulation);
+}
+#endif
+
 void ACTION_Ptt(void)
 {
     gSetting_set_ptt_session = !gSetting_set_ptt_session;
@@ -633,38 +647,36 @@ void ACTION_BackLightOnDemand(void)
     BACKLIGHT_TurnOn();
 }
 
-    //#if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
-    void ACTION_Mute(void)
-    {
-        // Toggle mute state
-        gMute = !gMute;
+void ACTION_Mute(void)
+{
+    // Toggle mute state
+    gMute = !gMute;
 
-        // Update the registers
-        #ifdef ENABLE_FMRADIO
-            BK1080_WriteRegister(BK1080_REG_05_SYSTEM_CONFIGURATION2, gMute ? 0x0A10 : 0x0A1F);
-        #endif
-        gEeprom.VOLUME_GAIN = gMute ? 0 : gEeprom.VOLUME_GAIN_BACKUP;
-        BK4819_WriteRegister(BK4819_REG_48,
-            (11u << 12)                |  // ??? .. 0 ~ 15, doesn't seem to make any difference
-            (0u << 10)                 |  // AF Rx Gain-1
-            (gEeprom.VOLUME_GAIN << 4) |  // AF Rx Gain-2
-            (gEeprom.DAC_GAIN << 0));     // AF DAC Gain (after Gain-1 and Gain-2)
-
-        gUpdateStatus = true;
-    }
-    //#endif
-
-    #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-    void ACTION_Power_High(void)
-    {
-        gPowerHigh = !gPowerHigh;
-        gVfoConfigureMode = VFO_CONFIGURE_RELOAD;
-    }
-
-    void ACTION_Remove_Offset(void)
-    {
-        gRemoveOffset = !gRemoveOffset;
-        gVfoConfigureMode = VFO_CONFIGURE_RELOAD;
-    }
+    // Update the registers
+    #ifdef ENABLE_FMRADIO
+        BK1080_WriteRegister(BK1080_REG_05_SYSTEM_CONFIGURATION2, gMute ? 0x0A10 : 0x0A1F);
     #endif
+    gEeprom.VOLUME_GAIN = gMute ? 0 : gEeprom.VOLUME_GAIN_BACKUP;
+    BK4819_WriteRegister(BK4819_REG_48,
+        (11u << 12)                |  // ??? .. 0 ~ 15, doesn't seem to make any difference
+        (0u << 10)                 |  // AF Rx Gain-1
+        (gEeprom.VOLUME_GAIN << 4) |  // AF Rx Gain-2
+        (gEeprom.DAC_GAIN << 0));     // AF DAC Gain (after Gain-1 and Gain-2)
+
+    gUpdateStatus = true;
+}
+
+#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
+void ACTION_Power_High(void)
+{
+    gPowerHigh = !gPowerHigh;
+    gVfoConfigureMode = VFO_CONFIGURE_RELOAD;
+}
+
+void ACTION_Remove_Offset(void)
+{
+    gRemoveOffset = !gRemoveOffset;
+    gVfoConfigureMode = VFO_CONFIGURE_RELOAD;
+}
+#endif
 #endif
\ No newline at end of file
diff --git a/App/app/action.h b/App/app/action.h
index 53281f5c..6ce81ca8 100644
--- a/App/app/action.h
+++ b/App/app/action.h
@@ -42,9 +42,10 @@ void ACTION_SwitchDemodul(void);
     void ACTION_Wn(void);
     void ACTION_BackLightOnDemand(void);
     void ACTION_BackLight(void);
-    //#if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
     void ACTION_Mute(void);
-    //#endif
+    #ifdef ENABLE_FEAT_F4HWN_AUDIO
+        void ACTION_RxA(void);
+    #endif
     #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
         void ACTION_Power_High(void);
         void ACTION_Remove_Offset(void);
diff --git a/App/settings.h b/App/settings.h
index 037bdc38..59696a22 100644
--- a/App/settings.h
+++ b/App/settings.h
@@ -118,6 +118,9 @@ enum ACTION_OPT_t {
     ACTION_OPT_WN,
     ACTION_OPT_BACKLIGHT,
     ACTION_OPT_MUTE,
+    #ifdef ENABLE_FEAT_F4HWN_AUDIO
+        ACTION_OPT_RXA,
+    #endif
     #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
         ACTION_OPT_POWER_HIGH,
         ACTION_OPT_REMOVE_OFFSET,
diff --git a/App/ui/main.c b/App/ui/main.c
index 51173b7e..1b1226ea 100644
--- a/App/ui/main.c
+++ b/App/ui/main.c
@@ -37,6 +37,7 @@
 #include "ui/main.h"
 #include "ui/ui.h"
 #include "audio.h"
+#include "menu.h"
 
 #ifdef ENABLE_FEAT_F4HWN
     #include "driver/system.h"
@@ -760,7 +761,9 @@ void UI_DisplayMain(void)
                 if (activeTxVFO == vfo_num)
                 {   // show the TX symbol
                     mode = VFO_MODE_TX;
-                    UI_PrintStringSmallBold("TX", 8, 0, line);
+                    //UI_PrintStringSmallBold("TX", 8, 0, line);
+                    GUI_DisplaySmallest("TX", 10, line == 0 ? 1 : 33, false, true);
+
                 }
             }
         }
@@ -784,7 +787,14 @@ void UI_DisplayMain(void)
                 }
 
                 if (RxBlink == 0 || RxBlink == 1) {
-                    UI_PrintStringSmallBold("RX", 8, 0, RxLine);
+                    if(gRxVfo->Modulation == MODULATION_AM)
+                        GUI_DisplaySmallest("AIR", 10, RxLine == 0 ? 1 : 33, false, true);
+                    else {
+                        strcpy(String, gSubMenu_SET_AUD[gSetting_set_audio]);
+                        GUI_DisplaySmallest(String, 10, RxLine == 0 ? 1 : 33, false, true);
+                    }
+
+                    //UI_PrintStringSmallBold("RX", 8, 0, RxLine);
                 }
 #else
                 UI_PrintStringSmallBold("RX", 8, 0, line);
diff --git a/App/ui/menu.c b/App/ui/menu.c
index 85035a7a..a3682be4 100644
--- a/App/ui/menu.c
+++ b/App/ui/menu.c
@@ -480,9 +480,10 @@ const t_sidefunction gSubMenu_SIDEFUNCTIONS[] =
     {"MAIN ONLY",       ACTION_OPT_MAINONLY},
     {"PTT",             ACTION_OPT_PTT},
     {"WIDE\nNARROW",    ACTION_OPT_WN},
-    //#if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
     {"MUTE",            ACTION_OPT_MUTE},
-    //#endif
+    #ifdef ENABLE_FEAT_F4HWN_AUDIO
+        {"RxA",            ACTION_OPT_RXA},
+    #endif
     #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
         {"POWER\nHIGH",    ACTION_OPT_POWER_HIGH},
         {"REMOVE\nOFFSET",  ACTION_OPT_REMOVE_OFFSET},