diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff15c81..df08e23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1041,6 +1041,7 @@ add_executable (js8call MACOSX_BUNDLE
   wsjtx.rc
   ${WSJTX_ICON_FILE}
   ${wsjtx_RESOURCES_RCC}
+  images.qrc
   )
 
 if (WSJT_CREATE_WINMAIN)
diff --git a/images.qrc b/images.qrc
new file mode 100644
index 0000000..f215a51
--- /dev/null
+++ b/images.qrc
@@ -0,0 +1,6 @@
+<RCC>
+    <qresource prefix="/images">
+        <file alias="up.png">artwork/up.png</file>
+        <file alias="down.png">artwork/down.png</file>
+    </qresource>
+</RCC>
diff --git a/js8call.pro b/js8call.pro
index 722e710..ace9de8 100644
--- a/js8call.pro
+++ b/js8call.pro
@@ -149,7 +149,8 @@ FORMS    += mainwindow.ui about.ui Configuration.ui widegraph.ui astro.ui \
     messagewindow.ui
 
 RC_FILE = wsjtx.rc
-RESOURCES = wsjtx.qrc
+RESOURCES = wsjtx.qrc \
+    images.qrc
 
 unix {
 LIBS += -L lib -ljt9
diff --git a/mainwindow.ui b/mainwindow.ui
index b66185a..551ccf3 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -255,8 +255,22 @@
                       <height>30</height>
                      </size>
                     </property>
+                    <property name="autoFillBackground">
+                     <bool>false</bool>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true">QPushButton {
+	background-color:#000;
+	background-image:url(&quot;/images/up.png&quot;);
+	background-position: center center;
+	background-repeate:no-repeat;
+}</string>
+                    </property>
                     <property name="text">
-                     <string>^</string>
+                     <string/>
+                    </property>
+                    <property name="flat">
+                     <bool>true</bool>
                     </property>
                    </widget>
                   </item>
@@ -268,8 +282,19 @@
                       <height>30</height>
                      </size>
                     </property>
+                    <property name="styleSheet">
+                     <string notr="true">QPushButton {
+	background-color:#000;
+	background-image:url(&quot;/images/down.png&quot;);
+	background-position: center center;
+	background-repeate:no-repeat;
+}</string>
+                    </property>
                     <property name="text">
-                     <string>v</string>
+                     <string/>
+                    </property>
+                    <property name="flat">
+                     <bool>true</bool>
                     </property>
                    </widget>
                   </item>