diff --git a/protocol/esta/dmx/universe.cpp b/protocol/esta/dmx/universe.cpp
index a290f3d..9186d15 100644
--- a/protocol/esta/dmx/universe.cpp
+++ b/protocol/esta/dmx/universe.cpp
@@ -162,7 +162,7 @@ void Universe::setData(const std::vector<uint8_t>& data)
     return;                 // no data
 
   if (data.front() != E111_NULL_START)
-    return altSCdata(data); // Alternate Start Code
+    return setAltData(data); // Alternate Start Code
 
   // accept variable lenth input, but never more than the limit
   const auto max_length = null_start_data.size();
@@ -180,12 +180,14 @@ void Universe::setData(const std::vector<uint8_t>& data)
 
 
 /**
- * @brief Universe::altSCdata
+ * @brief Universe::setAltData
  * @param data
  *
+ * The base class implimentation is to discard the data.
+ *
  * \attention re-impliment this method to rx custom alternate start code data.
  */
-void Universe::altSCdata(const std::vector<uint8_t> & data)
+void Universe::setAltData(const std::vector<uint8_t> & data)
 {
   switch (data.front())
   {
diff --git a/protocol/esta/dmx/universe.h b/protocol/esta/dmx/universe.h
index a092a70..add0962 100644
--- a/protocol/esta/dmx/universe.h
+++ b/protocol/esta/dmx/universe.h
@@ -58,7 +58,7 @@ class Universe {
                           const uint8_t* const data);
     virtual void setValue(const uint16_t address, const uint8_t value);
     virtual void setData(const std::vector<uint8_t> &);
-    virtual void altSCdata(const std::vector<uint8_t> &);
+    virtual void setAltData(const std::vector<uint8_t> &);
 
     std::shared_ptr<void> onDataChange(const std::function<void(Universe*)>);
     std::shared_ptr<void> onStatusChange(const std::function<void(Universe*)>);