diff -Naur vdr-1.4.0/channels.c vdr-1.4.0-sc-osau/channels.c
--- vdr-1.4.0/channels.c	2007-09-28 19:00:26.606463252 -0400
+++ vdr-1.4.0-sc-osau/channels.c	2007-04-12 19:37:49.000000000 -0400
@@ -181,7 +182,7 @@
   bandwidth    = BANDWIDTH_AUTO;
   coderateH    = FEC_AUTO;
   coderateL    = FEC_AUTO;
-  modulation   = QAM_AUTO;
+  modulation   = QPSK;
   transmission = TRANSMISSION_MODE_AUTO;
   guard        = GUARD_INTERVAL_AUTO;
   hierarchy    = HIERARCHY_AUTO;