diff --git a/V203/usb/scope/software/displaywidget.cpp b/V203/usb/scope/software/displaywidget.cpp
index f45d31e..9ce568a 100644
--- a/V203/usb/scope/software/displaywidget.cpp
+++ b/V203/usb/scope/software/displaywidget.cpp
@@ -264,18 +264,22 @@ void DisplayWidget::drawBackground() {
   QPointF trg (m_ts->offset, m_ts->value + ofs);
   QPen pc (QColor(0,128,255), 1);
   p.setPen(pc);
-  const QLineF hline (xb, trg.y(),  xe, trg.y());
-  const QLineF vline (trg.x(), -ye, trg.x(), ye);
-  p.drawLine (m_forward.map(hline));
-  p.drawLine (m_forward.map(vline));
+  const qreal  pos = 30.0;
+  const QLineF hline = m_forward.map(QLine(xb, trg.y(),  xe, trg.y()));
+  const QLineF vline = m_forward.map(QLine(trg.x(), -ye, trg.x(), ye));
+  QPointF vb = vline.p1() + QPointF(0,-pos), ve = vline.p2() + QPointF(0,+pos);
+  p.drawLine (hline);
+  p.drawLine (QLineF(vb,ve));
   // markers
   QPen pm (QColor(255,255,0,196), 1);
   p.setPen(pm);
   if (marker_type == MARKER_TIME) {
-    const QLineF ma (m_time.a, -ye, m_time.a, ye);
-    const QLineF mb (m_time.b, -ye, m_time.b, ye);
-    p.drawLine (m_forward.map(ma));
-    p.drawLine (m_forward.map(mb));
+    const QLineF ma = m_forward.map(QLine (m_time.a, -ye, m_time.a, ye));
+    const QLineF mb = m_forward.map(QLine (m_time.b, -ye, m_time.b, ye));
+    vb = ma.p1() + QPointF(0,-pos), ve = ma.p2() + QPointF(0,+pos);
+    p.drawLine (QLineF(vb, ve));
+    vb = mb.p1() + QPointF(0,-pos), ve = mb.p2() + QPointF(0,+pos);
+    p.drawLine (QLineF(vb, ve));
   } else {
     const QLineF ma (xb, m_volt.a, xe, m_volt.a);
     const QLineF mb (xb, m_volt.b, xe, m_volt.b);