Index: server/Slim/Player/Receiver.pm
===================================================================
--- server/Slim/Player/Receiver.pm	(revision 29150)
+++ server/Slim/Player/Receiver.pm	(working copy)
@@ -113,6 +113,11 @@
 	Slim::Hardware::TriLED::setTriLED( $client, $OFF_COLOR, 1);
 }
 
+# Receiver does not support preamp gain
+sub hasPreAmp {
+	return 0;
+}
+
 1;
 
 __END__