diff --git a/Multiprotocol/Multiprotocol.ino b/Multiprotocol/Multiprotocol.ino
index 2017990..b9169dc 100644
--- a/Multiprotocol/Multiprotocol.ino
+++ b/Multiprotocol/Multiprotocol.ino
@@ -87,6 +87,11 @@ uint8_t  RX_num;
 	uint8_t calData[48][3];
 #endif
 
+//Channel mapping for protocols
+const uint8_t CH_AETR[]={AILERON, ELEVATOR, THROTTLE, RUDDER, AUX1, AUX2, AUX3, AUX4, AUX5, AUX6, AUX7, AUX8};
+//const uint8_t CH_TAER[]={THROTTLE, AILERON, ELEVATOR, RUDDER, AUX1, AUX2, AUX3, AUX4, AUX5, AUX6, AUX7, AUX8};
+//const uint8_t CH_RETA[]={RUDDER, ELEVATOR, THROTTLE, AILERON, AUX1, AUX2, AUX3, AUX4, AUX5, AUX6, AUX7, AUX8};
+
 // Mode_select variables
 uint8_t mode_select;
 uint8_t protocol_flags=0,protocol_flags2=0;