diff --git a/displayarea.cpp b/displayarea.cpp
index 9b48423..de30208 100644
--- a/displayarea.cpp
+++ b/displayarea.cpp
@@ -21,7 +21,7 @@ void DisplayArea::paintEvent(QPaintEvent *event)
 
 bool DisplayArea::pixelSet(int x, int y)
 {
-    if(x>image.width()||y>image.height()) return false;
+    if(x>=image.width()||y>=image.height()) return false;
     return qAlpha(image.pixel(x,y))==255;
 }
 
diff --git a/inputparser.cpp b/inputparser.cpp
index 886c7fb..0be78b3 100644
--- a/inputparser.cpp
+++ b/inputparser.cpp
@@ -48,6 +48,13 @@ void InputParser::process()
                 case 1:
                     computeEpochDate();
                 break;
+                case 3:
+                    minFreq=qMin(minFreq,currentLine.minFreq);
+                    maxFreq=qMax(maxFreq,currentLine.maxFreq);
+                break;
+                case 4:
+                    if(decimal) currentLine.freqStep++;
+                break;
                 default:
                     if(index>5){
                         sendPixel();
@@ -58,11 +65,10 @@ void InputParser::process()
             decimal=false;
         break;
         case '\n':
-            minFreq=qMin(minFreq,currentLine.minFreq);
-            maxFreq=qMax(maxFreq,currentLine.maxFreq);
-
             sendPixel();
 
+            if(currentLine.maxFreq==maxFreq) currentY++;
+
             lastMaxFreq=currentLine.maxFreq;
 
             index=0;
@@ -160,8 +166,6 @@ void InputParser::sendPixel()
 
     currentX=(currentLine.minFreq-minFreq)/currentLine.freqStep+(index-5);
 
-    if(display->pixelSet(currentX,currentY)) currentY++;
-
     display->setPixel(currentX,currentY,color);
     currentX++;
     currentPowerValue=0;