diff --git a/artwork/down.png b/artwork/down.png
new file mode 100644
index 0000000..233e185
Binary files /dev/null and b/artwork/down.png differ
diff --git a/artwork/up.png b/artwork/up.png
new file mode 100644
index 0000000..cbe53e1
Binary files /dev/null and b/artwork/up.png differ
diff --git a/mainwindow.ui b/mainwindow.ui
index 711a6fc..b66185a 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -195,41 +195,87 @@
-
-
-
-
- 200
- 40
-
-
-
- Set Current Frequency
-
-
- QFrame::NoFrame
-
-
- QFrame::Plain
-
-
+
+
0
-
- false
-
-
- 10
-
-
- QLCDNumber::Flat
-
-
- 1234567890.000000000000000
-
-
- 1234567890
-
-
+
-
+
+
+
+ 200
+ 40
+
+
+
+ Set Current Frequency
+
+
+ QFrame::NoFrame
+
+
+ QFrame::Plain
+
+
+ 0
+
+
+ false
+
+
+ 10
+
+
+ QLCDNumber::Flat
+
+
+ 1234567890.000000000000000
+
+
+ 1234567890
+
+
+
+ -
+
+
+ 0
+
+
-
+
+
+
+ 0
+ 0
+
+
+
+
+ 30
+ 30
+
+
+
+ ^
+
+
+
+ -
+
+
+
+ 30
+ 30
+
+
+
+ v
+
+
+
+
+
+
-