diff -Nru vdr-1.5.13/vdr.c vdr-1.5.13-reelchannelscan/vdr.c
--- vdr-1.5.13/vdr.c	2008-01-20 10:59:43.000000000 +0100
+++ vdr-1.5.13-reelchannelscan/vdr.c	2008-01-20 11:09:57.000000000 +0100
@@ -723,7 +723,12 @@
         // 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...