diff --git a/Defines.h b/Defines.h
index 97897fb..faaeb6f 100644
--- a/Defines.h
+++ b/Defines.h
@@ -19,10 +19,11 @@
 #if !defined(Defines_H)
 #define	Defines_H
 
-const unsigned char MODE_IDLE  = 0U;
-const unsigned char MODE_DSTAR = 1U;
-const unsigned char MODE_DMR   = 2U;
-const unsigned char MODE_YSF   = 3U;
+const unsigned char MODE_IDLE    = 0U;
+const unsigned char MODE_LOCKOUT = 1U;
+const unsigned char MODE_DSTAR   = 2U;
+const unsigned char MODE_DMR     = 3U;
+const unsigned char MODE_YSF     = 4U;
 
 const unsigned char TAG_HEADER = 0x00U;
 const unsigned char TAG_DATA   = 0x01U;
diff --git a/Display.h b/Display.h
index 1344bf2..c786a47 100644
--- a/Display.h
+++ b/Display.h
@@ -30,6 +30,8 @@ public:
 
   virtual void setIdle() = 0;
 
+  virtual void setLockout() = 0;
+
   virtual void setDStar() = 0;
   virtual void writeDStar(const char* my1, const char* my2, const char* your) = 0;
   virtual void clearDStar() = 0;
diff --git a/MMDVMHost.cpp b/MMDVMHost.cpp
index 466b345..7806df3 100644
--- a/MMDVMHost.cpp
+++ b/MMDVMHost.cpp
@@ -583,6 +583,22 @@ void CMMDVMHost::setMode(unsigned char mode, bool logging)
 		m_modeTimer.start();
 		break;
 
+	case MODE_LOCKOUT:
+		if (logging)
+			LogMessage("Mode set to Lockout");
+		if (m_dstarNetwork != NULL)
+			m_dstarNetwork->enable(false);
+		if (m_dmrNetwork != NULL)
+			m_dmrNetwork->enable(false);
+		if (m_mode == MODE_DMR)
+			m_modem->writeDMRStart(false);
+		else
+			m_modem->setMode(MODE_IDLE);
+		m_display->setLockout();
+		m_mode = MODE_LOCKOUT;
+		m_modeTimer.stop();
+		break;
+
 	default:
 		if (logging)
 			LogMessage("Mode set to Idle");
diff --git a/Modem.cpp b/Modem.cpp
index 8691fde..f9f4bff 100644
--- a/Modem.cpp
+++ b/Modem.cpp
@@ -104,7 +104,8 @@ m_dstarSpace(0U),
 m_dmrSpace1(0U),
 m_dmrSpace2(0U),
 m_ysfSpace(0U),
-m_tx(false)
+m_tx(false),
+m_lockout(false)
 {
 	assert(!port.empty());
 
@@ -357,13 +358,15 @@ void CModem::clock(unsigned int ms)
 					if (txOverflow)
 						LogError("MMDVM TX buffer has overflowed");
 
+					m_lockout = (m_buffer[5U] & 0x10U) == 0x10U;
+
 					m_dstarSpace = m_buffer[6U];
 					m_dmrSpace1  = m_buffer[7U];
 					m_dmrSpace2  = m_buffer[8U];
 					m_ysfSpace   = m_buffer[9U];
 
 					m_inactivityTimer.start();
-					// LogMessage("status=%02X, tx=%d, space=%u,%u,%u,%u", m_buffer[5U], int(m_tx), m_dstarSpace, m_dmrSpace1, m_dmrSpace2, m_ysfSpace);
+					// LogMessage("status=%02X, tx=%d, space=%u,%u,%u,%u, lockout=%d", m_buffer[5U], int(m_tx), m_dstarSpace, m_dmrSpace1, m_dmrSpace2, m_ysfSpace, int(m_lockout));
 				}
 				break;
 
@@ -638,6 +641,11 @@ bool CModem::hasYSFSpace() const
 	return space > 1U;
 }
 
+bool CModem::hasLockout() const
+{
+	return m_lockout;
+}
+
 bool CModem::writeYSFData(const unsigned char* data, unsigned int length)
 {
 	assert(data != NULL);
diff --git a/Modem.h b/Modem.h
index a6f7a13..6224f66 100644
--- a/Modem.h
+++ b/Modem.h
@@ -52,6 +52,8 @@ public:
 	bool hasDMRSpace2() const;
 	bool hasYSFSpace() const;
 
+	bool hasLockout() const;
+
 	bool writeDStarData(const unsigned char* data, unsigned int length);
 	bool writeDMRData1(const unsigned char* data, unsigned int length);
 	bool writeDMRData2(const unsigned char* data, unsigned int length);
@@ -98,6 +100,7 @@ private:
 	unsigned int               m_dmrSpace2;
 	unsigned int               m_ysfSpace;
 	bool                       m_tx;
+	bool                       m_lockout;
 
 	bool readVersion();
 	bool readStatus();
diff --git a/NullDisplay.cpp b/NullDisplay.cpp
index 3b51959..015b5e2 100644
--- a/NullDisplay.cpp
+++ b/NullDisplay.cpp
@@ -35,6 +35,10 @@ void CNullDisplay::setIdle()
 {
 }
 
+void CNullDisplay::setLockout()
+{
+}
+
 void CNullDisplay::setDStar()
 {
 }
diff --git a/NullDisplay.h b/NullDisplay.h
index f35df00..8514f81 100644
--- a/NullDisplay.h
+++ b/NullDisplay.h
@@ -33,6 +33,8 @@ public:
 
   virtual void setIdle();
 
+  virtual void setLockout();
+
   virtual void setDStar();
   virtual void writeDStar(const char* my1, const char* my2, const char* your);
   virtual void clearDStar();
diff --git a/TFTSerial.cpp b/TFTSerial.cpp
index 8b5bb3c..d246be0 100644
--- a/TFTSerial.cpp
+++ b/TFTSerial.cpp
@@ -90,6 +90,24 @@ void CTFTSerial::setIdle()
 
 	// Draw all mode insignias
 	displayBitmap(0U, 30U, "ALL_sm.bmp");
+
+	gotoPosText(0U, 8U);
+	displayText("IDLE");
+}
+
+void CTFTSerial::setLockout()
+{
+	// Clear the screen
+	clearScreen();
+
+	// Draw MMDVM logo
+	displayBitmap(0U, 0U, "MMDVM_sm.bmp");
+
+	// Draw all mode insignias
+	displayBitmap(0U, 30U, "ALL_sm.bmp");
+
+	gotoPosText(0U, 8U);
+	displayText("LOCKOUT");
 }
 
 void CTFTSerial::setDStar()
diff --git a/TFTSerial.h b/TFTSerial.h
index f457303..ad04b6d 100644
--- a/TFTSerial.h
+++ b/TFTSerial.h
@@ -34,6 +34,8 @@ public:
 
   virtual void setIdle();
 
+  virtual void setLockout();
+
   virtual void setDStar();
   virtual void writeDStar(const char* my1, const char* my2, const char* your);
   virtual void clearDStar();