diff --git a/README.md b/README.md
index 535852a..d1ce592 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@ After connection with APRX based DIGI it can be used as KISS-TNC
 * ((AUT TX)) - information about sending automatic positioning frame when GPS is turned off
 * ((KISSTX)) - information about sending the frame sent by KISS
 * ((WEB TX)) - sending frame as requested via HTTP
+* ((TEL TX)) - information about sending telemetry
 
 ## How to binary first flash readme... (thanx SP6VWX)
 * Download the appropriate binary file for your board from: https://github.com/SQ9MDD/TTGO-T-Beam-LoRa-APRS/releases
diff --git a/platformio.ini b/platformio.ini
index 48254a7..e37b9f3 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -54,7 +54,7 @@ build_flags =
 			-D 'NETWORK_GPS_PORT=10110'			; GPS NMEA Port
 			-D 'ENABLE_TNC_SELF_TELEMETRY'		; can be set from www interface
 			-D 'TNC_SELF_TELEMETRY_INTERVAL=3600L' ; can be set from www interface (seconds)
-			-D 'TNC_SELF_TELEMETRY_SEQ=0L'
+			-D 'TNC_SELF_TELEMETRY_SEQ=0L'		; start number for telemetry sequence
 			-D 'SHOW_OLED_TIME=15000'			; OLED Timeout
 
 [env:ttgo-t-beam-v1.0]
diff --git a/src/TTGO_T-Beam_LoRa_APRS.ino b/src/TTGO_T-Beam_LoRa_APRS.ino
index eb6ece3..6442aeb 100644
--- a/src/TTGO_T-Beam_LoRa_APRS.ino
+++ b/src/TTGO_T-Beam_LoRa_APRS.ino
@@ -511,6 +511,10 @@ String prepareCallsign(const String& callsign){
         char Tcall_message_char[9];
         sprintf_P(Tcall_message_char, "%-9s", Tcall);
         String Tcall_message = String(Tcall_message_char);
+        // Flash the light when telemetry is being sent
+        #ifdef ENABLE_LED_SIGNALING
+          digitalWrite(TXLED, LOW);
+        #endif
 
         // Determine sequence number (or 'MIC')
         // Pad to 3 digits
@@ -534,7 +538,9 @@ String prepareCallsign(const String& callsign){
         writedisplaytext("((TEL TX))","","","","","");
 
         // Flash the light when telemetry is being sent
-        // CODE HERE
+        #ifdef ENABLE_LED_SIGNALING
+          digitalWrite(TXLED, HIGH);
+        #endif
 
         // Update the telemetry sequence number
         if(tel_sequence >= 0 & tel_sequence < 999){
@@ -1136,7 +1142,6 @@ void loop() {
       }
     }
   }
-  //#if (enable_tel == true) && defined(KISS_PROTOCOL)
   #if defined(ENABLE_TNC_SELF_TELEMETRY) && defined(KISS_PROTOCOL)
     if (nextTelemetryFrame < millis()){
       nextTelemetryFrame = millis() + (tel_interval * 1000);