diff --git a/V203/usb/scope/software/displaywidget.cpp b/V203/usb/scope/software/displaywidget.cpp
index c8b46dd..f45d31e 100644
--- a/V203/usb/scope/software/displaywidget.cpp
+++ b/V203/usb/scope/software/displaywidget.cpp
@@ -262,7 +262,7 @@ void DisplayWidget::drawBackground() {
   // triger
   const double ofs = (m_TrgSource ? m_offset.b : m_offset.a) - HALF_Y;
   QPointF trg (m_ts->offset, m_ts->value + ofs);
-  QPen pc (QColor(0,0,255), 1);
+  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);
@@ -285,12 +285,15 @@ void DisplayWidget::drawBackground() {
   // offsets
   QPen ofpen(pcol.colA);
   QVector<qreal>dashes;
-  dashes << 5 << 5 << 1 << 5;
+  const qreal gap = 10;
+  dashes << gap << gap;
   ofpen.setDashPattern(dashes);
   p.setPen (ofpen);
   const QLineF oa (xb, m_offset.a, xe, m_offset.a);
   p.drawLine (m_forward.map(oa));
   ofpen.setColor(pcol.colB);
+  ofpen.setDashPattern(dashes);
+  ofpen.setDashOffset(gap);
   p.setPen (ofpen);
   const QLineF ob (xb, m_offset.b, xe, m_offset.b);
   p.drawLine (m_forward.map(ob));