Index: spdrs60/srcpmessage.h
--- spdrs60/srcpmessage.h.orig
+++ spdrs60/srcpmessage.h
@@ -251,9 +251,10 @@ class GlMessage: public SrcpMessage
             };
 
         /* mtGlInit */
-        GlMessage(Type type, unsigned int abus, unsigned int addr,
-                Protocol prot, unsigned int pv, unsigned int maxvs,
-                unsigned int fc);
+        GlMessage(Type type = mtGlInit, unsigned int abus = 1, 
+		unsigned int addr = 1, Protocol prot = proDCC, 
+		unsigned int pv = 1, unsigned int maxvs = 14,
+                unsigned int fc = 1);
         /* mtGlSet (all funtions)*/
         GlMessage(Type type, unsigned int abus,
                 unsigned int addr, unsigned int fc, unsigned int dm,