diff --git a/Display.h b/Display.h
index af36d43..467424f 100644
--- a/Display.h
+++ b/Display.h
@@ -37,7 +37,9 @@
 class Display : public DisplayInterface {
 public:
   Display(DisplayDevice *deviceDriver);
+#if !defined (MAX_CHARACTER_ROWS)
   static const int MAX_CHARACTER_ROWS = 8;
+#endif
   static const int MAX_CHARACTER_COLS = MAX_MSG_SIZE;
   static const long DISPLAY_SCROLL_TIME = 3000;  // 3 seconds
 
diff --git a/config.example.h b/config.example.h
index de31743..9909371 100644
--- a/config.example.h
+++ b/config.example.h
@@ -167,6 +167,14 @@ The configuration file for DCC-EX Command Station
 //  *  #define SCROLLMODE 2 is by row (move up 1 row at a time).
 #define SCROLLMODE 1
 
+// In order to avoid wasting memory the current scroll buffer is limited
+// to 8 lines.  Some users wishing to display additional information
+// such as TrackManager power states have requested additional rows aware
+// of the warning that this will take extra RAM.  if you wish to include additional rows
+// uncomment the following #define and set the number of lines you need.
+//#define MAX_CHARACTER_ROWS 12
+
+
 /////////////////////////////////////////////////////////////////////////////////////
 // DISABLE EEPROM
 //