diff --git a/RXsweep.ino b/RXsweep.ino
index c28d0b6..2857202 100644
--- a/RXsweep.ino
+++ b/RXsweep.ino
@@ -21,6 +21,7 @@ void initRX_Sweep()
 	xDelta = displayPoints / xGrid;
 
 	init_sweep();
+	SetRXsweepSpan (setting.Bandwidth10 * 1000);		// 10 * bandwidth
 	
 	tinySA_mode = RX_SWEEP;
 	setting.Mode = tinySA_mode;