diff --git a/src/plot.cpp b/src/plot.cpp
--- a/src/plot.cpp
+++ b/src/plot.cpp
@@ -1,5 +1,5 @@
 /*
-  Copyright © 2017 Hasan Yavuz Özderya
+  Copyright © 2018 Hasan Yavuz Özderya
 
   This file is part of serialplot.
 
@@ -91,6 +91,11 @@ Plot::~Plot()
     if (snapshotOverlay != NULL) delete snapshotOverlay;
 }
 
+void Plot::setDispChannels(QVector<const StreamChannel*> channels)
+{
+    zoomer.setDispChannels(channels);
+}
+
 void Plot::setYAxis(bool autoScaled, double yAxisMin, double yAxisMax)
 {
     this->isAutoScaled = autoScaled;