diff --git a/js/bitHelper.js b/js/bitHelper.js
index 13df5b92c..bee166d4a 100644
--- a/js/bitHelper.js
+++ b/js/bitHelper.js
@@ -17,7 +17,7 @@ var BitHelper = function() {
     }
     
     self.bit_check = function (num, bit) {
-        return ((num >> bit) % 2 != 0);
+        return ((1 << bit) & num) != 0;
     }
     
     self.bit_set = function (num, bit) {
diff --git a/js/msp/MSPCodes.js b/js/msp/MSPCodes.js
index bcc49eaff..613f0f6c3 100644
--- a/js/msp/MSPCodes.js
+++ b/js/msp/MSPCodes.js
@@ -165,6 +165,7 @@ var MSPCodes = {
     MSP2_INAV_MC_BRAKING:               0x200B,
     MSP2_INAV_SET_MC_BRAKING:           0x200C,
     MSPV2_INAV_OUTPUT_MAPPING_EXT:      0x200D,
+    MSPV2_INAV_OUTPUT_MAPPING_EXT2:     0x210D,
     MSP2_INAV_TIMER_OUTPUT_MODE:        0x200E,
     MSP2_INAV_SET_TIMER_OUTPUT_MODE:    0x200F,
 
diff --git a/js/msp/MSPHelper.js b/js/msp/MSPHelper.js
index 95ce5cbd9..613fb7445 100644
--- a/js/msp/MSPHelper.js
+++ b/js/msp/MSPHelper.js
@@ -1409,6 +1409,7 @@ var mspHelper = (function () {
             case MSPCodes.MSP2_INAV_SET_CUSTOM_OSD_ELEMENTS:
                 console.log('OSD custom elements preferences saved');
                 break;
+/*
             case MSPCodes.MSPV2_INAV_OUTPUT_MAPPING:
                 FC.OUTPUT_MAPPING.flush();
                 for (let i = 0; i < data.byteLength; ++i)
@@ -1416,15 +1417,18 @@ var mspHelper = (function () {
                         'timerId': i,
                         'usageFlags': data.getUint8(i)});
                 break;
-            case MSPCodes.MSPV2_INAV_OUTPUT_MAPPING_EXT:
+ */
+            case MSPCodes.MSPV2_INAV_OUTPUT_MAPPING_EXT2:
                 FC.OUTPUT_MAPPING.flush();
-                for (let i = 0; i < data.byteLength; i += 2) {
+                for (let i = 0; i < data.byteLength; i += 6) {
                     let timerId = data.getUint8(i);
-                    let usageFlags = data.getUint8(i + 1);
+                    let usageFlags = data.getUint32(i + 1, true);
+                    let specialLabels = data.getUint8(i + 5);
                     FC.OUTPUT_MAPPING.put(
                         {
                             'timerId': timerId,
-                            'usageFlags': usageFlags
+                            'usageFlags': usageFlags,
+                            'specialLabels': specialLabels
                         });
                 }
                 break;
@@ -2771,11 +2775,12 @@ var mspHelper = (function () {
     };
 
     self.loadOutputMapping = function (callback) {
+        alert('Obsolete MSPHelper.loadOutputMapping call');
         MSP.send_message(MSPCodes.MSPV2_INAV_OUTPUT_MAPPING, false, false, callback);
     };
 
     self.loadOutputMappingExt = function (callback) {
-        MSP.send_message(MSPCodes.MSPV2_INAV_OUTPUT_MAPPING_EXT, false, false, callback);
+        MSP.send_message(MSPCodes.MSPV2_INAV_OUTPUT_MAPPING_EXT2, false, false, callback);
     };
 
     self.loadTimerOutputModes = function(callback) {
diff --git a/js/outputMapping.js b/js/outputMapping.js
index 28be64498..7a92f7c13 100644
--- a/js/outputMapping.js
+++ b/js/outputMapping.js
@@ -30,10 +30,14 @@ var OutputMappingCollection = function () {
 
     const OUTPUT_TYPE_MOTOR = 0;
     const OUTPUT_TYPE_SERVO = 1;
+    const OUTPUT_TYPE_LED   = 2;
+
+    const SPECIAL_LABEL_LED = 1;
 
     self.TIMER_OUTPUT_MODE_AUTO = 0;
     self.TIMER_OUTPUT_MODE_MOTORS = 1;
     self.TIMER_OUTPUT_MODE_SERVOS = 2;
+    self.TIMER_OUTPUT_MODE_LED = 3;
 
     self.flushTimerOverrides = function() {
         timerOverrides = {};
@@ -53,6 +57,10 @@ var OutputMappingCollection = function () {
         return colorTable[timerIndex % colorTable.length];
     }
 
+    self.isLedPin = function(timer) {
+        return data[timer].specialLabels == SPECIAL_LABEL_LED;
+    }
+
     self.getOutputTimerColor = function (output) {
         let timerId = self.getTimerId(output);
 
@@ -79,10 +87,15 @@ var OutputMappingCollection = function () {
         for (let i = 0; i < data.length; i++) {
             timerMap[i] = null;
 
-            if (servosToGo > 0 && BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_SERVO)) {
+            if (servosToGo > 0 && BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_LED)) {
+                console.log(i + ": LED");
+                timerMap[i] = OUTPUT_TYPE_LED;
+            } else if (servosToGo > 0 && BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_SERVO)) {
+                console.log(i + ": SERVO");
                 servosToGo--;
                 timerMap[i] = OUTPUT_TYPE_SERVO;
             } else if (motorsToGo > 0 && BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_MOTOR)) {
+                console.log(i + ": MOTOR");
                 motorsToGo--;
                 timerMap[i] = OUTPUT_TYPE_MOTOR;
             }
@@ -98,6 +111,7 @@ var OutputMappingCollection = function () {
             outputMap = [],
             offset = getFirstOutputOffset();
 
+        console.log("Offset: " + offset)
         for (let i = 0; i < self.getOutputCount(); i++) {
             
             let assignment = timerMap[i + offset];
@@ -110,6 +124,8 @@ var OutputMappingCollection = function () {
             } else if (assignment == OUTPUT_TYPE_SERVO) {
                 outputMap[i] = "Servo " + servos[currentServoIndex];
                 currentServoIndex++;
+            } else if (assignment == OUTPUT_TYPE_LED) {
+                outputMap[i] = "Led";
             }
         }
 
@@ -128,9 +144,11 @@ var OutputMappingCollection = function () {
         let retVal = 0;
 
         for (let i = 0; i < data.length; i++) {
+            let flags = data[i]['usageFlags'];
             if (
-                BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_MOTOR) ||
-                BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_SERVO)
+                BitHelper.bit_check(flags, TIM_USE_MOTOR) ||
+                BitHelper.bit_check(flags, TIM_USE_SERVO) ||
+                BitHelper.bit_check(flags, TIM_USE_LED)
             ) {
                 retVal++;
             };
@@ -143,7 +161,8 @@ var OutputMappingCollection = function () {
         for (let i = 0; i < data.length; i++) {
             if (
                 BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_MOTOR) ||
-                BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_SERVO)
+                BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_SERVO) ||
+                BitHelper.bit_check(data[i]['usageFlags'], TIM_USE_LED)
             ) {
                 return i;
             }
diff --git a/tabs/mixer.js b/tabs/mixer.js
index 6c257e62f..bdd41a419 100644
--- a/tabs/mixer.js
+++ b/tabs/mixer.js
@@ -94,8 +94,9 @@ TABS.mixer.initialize = function (callback, scrollPosition) {
 
             let timerId = FC.OUTPUT_MAPPING.getTimerId(i - 1);
             let color = FC.OUTPUT_MAPPING.getOutputTimerColor(i - 1);
+            let isLed = FC.OUTPUT_MAPPING.isLedPin(i - 1);
 
-            $outputRow.append('<td style="background-color: ' + color + '">S' + i + ' (Timer ' + (timerId + 1) + ')</td>');
+            $outputRow.append('<td style="background-color: ' + color + '">S' + i + (isLed ? '/LED' : '') + ' (Timer&nbsp;' + (timerId + 1) + ')</td>');
             $functionRow.append('<td id="function-' + i +'">-</td>');
         }
 
@@ -131,6 +132,7 @@ TABS.mixer.initialize = function (callback, scrollPosition) {
                                 '<option value=' + FC.OUTPUT_MAPPING.TIMER_OUTPUT_MODE_AUTO + '' + (usageMode == FC.OUTPUT_MAPPING.TIMER_OUTPUT_MODE_AUTO ? ' selected' : '')+ '>AUTO</option>'+
                                 '<option value=' + FC.OUTPUT_MAPPING.TIMER_OUTPUT_MODE_MOTORS + '' + (usageMode == FC.OUTPUT_MAPPING.TIMER_OUTPUT_MODE_MOTORS ? ' selected' : '')+ '>MOTORS</option>'+
                                 '<option value=' + FC.OUTPUT_MAPPING.TIMER_OUTPUT_MODE_SERVOS + '' + (usageMode == FC.OUTPUT_MAPPING.TIMER_OUTPUT_MODE_SERVOS ? ' selected' : '')+ '>SERVOS</option>'+
+                                '<option value=' + FC.OUTPUT_MAPPING.TIMER_OUTPUT_MODE_LED + '' + (usageMode == FC.OUTPUT_MAPPING.TIMER_OUTPUT_MODE_LED ? ' selected' : '')+ '>LED</option>'+
                             '</select>' +
                             '<label for="timer-output-' + t + '">' +
                                 '<span> Timer ' + (parseInt(t) + 1) + '</span>' +
diff --git a/tabs/outputs.js b/tabs/outputs.js
index 5a8ff5beb..d936d18af 100644
--- a/tabs/outputs.js
+++ b/tabs/outputs.js
@@ -46,7 +46,7 @@ TABS.outputs.initialize = function (callback) {
         mspHelper.loadServoMixRules,
         mspHelper.loadMixerConfig,
         mspHelper.loadServoConfiguration,
-        mspHelper.loadOutputMapping,
+        mspHelper.loadOutputMappingExt,
         mspHelper.loadRcData,
         mspHelper.loadAdvancedConfig,
         function(callback) {