diff --git a/app/menu.c b/app/menu.c
index 420d86c..5b4ba5e 100644
--- a/app/menu.c
+++ b/app/menu.c
@@ -47,6 +47,8 @@
 	#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
 #endif
 
+uint8_t gUnlockAllTxConfCnt;
+
 #ifdef ENABLE_F_CAL_MENU
 	void writeXtalFreqCal(const int32_t value, const bool update_eeprom)
 	{
@@ -759,14 +761,13 @@ void MENU_AcceptSetting(void)
 			break;
 
 		case MENU_F_LOCK: {
-			static uint8_t cnt;
 			if(gSubMenuSelection == F_LOCK_NONE) { // select 10 times to enable
-				cnt++;
-				if(cnt < 10)
+				gUnlockAllTxConfCnt++;
+				if(gUnlockAllTxConfCnt < 10)
 					return;
 			}
 			else
-				cnt = 0;
+				gUnlockAllTxConfCnt = 0;
 
 			gSetting_F_LOCK = gSubMenuSelection;
 			break;
diff --git a/app/menu.h b/app/menu.h
index 8c46f2f..0b8a15c 100644
--- a/app/menu.h
+++ b/app/menu.h
@@ -23,6 +23,8 @@
 	void writeXtalFreqCal(const int32_t value, const bool update_eeprom);
 #endif
 
+extern uint8_t gUnlockAllTxConfCnt;
+
 int MENU_GetLimits(uint8_t menu_id, int32_t *pMin, int32_t *pMax);
 void MENU_AcceptSetting(void);
 void MENU_ShowCurrentSetting(void);
diff --git a/ui/menu.c b/ui/menu.c
index d52cb95..c43444c 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -802,7 +802,10 @@ void UI_DisplayMenu(void)
 			break;
 
 		case MENU_F_LOCK:
-			strcpy(String, gSubMenu_F_LOCK[gSubMenuSelection]);
+			if(!gIsInSubMenu && gUnlockAllTxConfCnt>0 && gUnlockAllTxConfCnt<10)
+				strcpy(String, "READ\nMANUAL");
+			else
+				strcpy(String, gSubMenu_F_LOCK[gSubMenuSelection]);
 			break;
 
 		#ifdef ENABLE_F_CAL_MENU