Use ETX instead of OTX (also as a file extension).

radio/src/lua/api_general.cpp

@@ -1507,7 +1507,7 @@ then the loaded script (or "chunk") is returned as a function. Otherwise, return
   as part of the file name and the .lua/.luac will be appended to that.
 
 @param mode (string) (optional) Controls whether to force loading the text (.lua) or pre-compiled binary (.luac)
-  version of the script. By default OTx will load the newest version and compile a new binary if necessary (overwriting any
+  version of the script. By default ETX will load the newest version and compile a new binary if necessary (overwriting any
   existing .luac version of the same script, and stripping some debug info like line numbers).
   You can use `mode` to control the loading behavior more specifically. Possible values are:
    * `b` only binary.

radio/src/lua/api_model.cpp

@@ -158,7 +158,7 @@ static int luaModelGetModule(lua_State *L)
     if (module.type == MODULE_TYPE_MULTIMODULE) {
       int protocol = g_model.moduleData[idx].getMultiProtocol() + 1;
       int subprotocol = g_model.moduleData[idx].subType;
-      convertOtxProtocolToMulti(&protocol, &subprotocol); // Special treatment for the FrSky entry...
+      convertEtxProtocolToMulti(&protocol, &subprotocol); // Special treatment for the FrSky entry...
       lua_pushtableinteger(L, "protocol", protocol);
       lua_pushtableinteger(L, "subProtocol", subprotocol);
       if (getMultiModuleStatus(idx).isValid()) {
@@ -231,8 +231,8 @@ static int luaModelSetModule(lua_State *L)
 #endif
     }
 #if defined(MULTIMODULE)
-    if (protocol > 0 && subprotocol >= 0) {  // Both are needed to compute otx protocol
-      convertMultiProtocolToOtx(&protocol, &subprotocol);
+    if (protocol > 0 && subprotocol >= 0) {  // Both are needed to compute etx protocol
+      convertMultiProtocolToEtx(&protocol, &subprotocol);
       g_model.moduleData[idx].setMultiProtocol(protocol - 1);
       g_model.moduleData[idx].subType = subprotocol;
     }