diff -Nru vdr-1.5.10/vdr.c vdr-1.5.10-reelchannelscan/vdr.c
--- vdr-1.5.10/vdr.c	2007-10-19 14:31:31.000000000 +0200
+++ vdr-1.5.10-reelchannelscan/vdr.c	2007-10-19 22:36:09.000000000 +0200
@@ -720,7 +720,13 @@
         // Make sure we have a visible programme in case device usage has changed:
         if (!EITScanner.Active() && cDevice::PrimaryDevice()->HasDecoder() && !cDevice::PrimaryDevice()->HasProgramme()) {
            static time_t lastTime = 0;
-           if (Now - lastTime > MINCHANNELWAIT) {
+	   bool reelChannelscanIsScanningOnReceivingDevice;
+	   if (!cPluginManager::CallFirstService("ReelChannelscan::IsScanningOnReceivingDevice", &reelChannelscanIsScanningOnReceivingDevice))
+	   {
+	      reelChannelscanIsScanningOnReceivingDevice = false;
+	   }
+
+	   if (!reelChannelscanIsScanningOnReceivingDevice && Now - lastTime > MINCHANNELWAIT) {
               cChannel *Channel = Channels.GetByNumber(cDevice::CurrentChannel());
               if (Channel && (Channel->Vpid() || Channel->Apid(0))) {
                  if (!Channels.SwitchTo(cDevice::CurrentChannel()) // try to switch to the original channel...