diff --git a/scam.py b/scam.py
index a33c9c9..7855e52 100755
--- a/scam.py
+++ b/scam.py
@@ -28,6 +28,7 @@ TITLE = "SCam" if not clargs.show_all_settings else "SCam Expert Mode"
 
 
 import itertools
+import subprocess
 import wx
 
 try:
@@ -72,6 +73,7 @@ class MainPanel(wx.Panel):
 
         self.eb_bkg = eb_bkg = EntryButton(self, label="Background Images", value=100, button="Record Background")
 
+        self.btn_screenpanel = btn_screenpanel = wx.Button(self, label="Open ScreenPanel")
         self.btn_get_roi_bkg = btn_get_roi_bkg = wx.Button(self, label="Get ROI Background from ScreenPanel")
         self.btn_get_roi_sig = btn_get_roi_sig = wx.Button(self, label="Get ROI Signal from ScreenPanel")
 
@@ -81,6 +83,7 @@ class MainPanel(wx.Panel):
         self.btn_save = btn_save = wx.Button(self, label="Save")
 
         eb_bkg.Disable()
+        btn_screenpanel.Disable()
         btn_get_roi_bkg.Disable()
         btn_get_roi_sig.Disable()
         btn_print.Disable()
@@ -88,12 +91,13 @@ class MainPanel(wx.Panel):
 
         cb_pls.Bind(wx.EVT_COMBOBOX, self.on_select)
         eb_bkg.button.Bind(wx.EVT_BUTTON, self.on_save_bkg)
+        btn_screenpanel.Bind(wx.EVT_BUTTON, self.on_screenpanel)
         btn_get_roi_bkg.Bind(wx.EVT_BUTTON, self.on_get_roi_bkg)
         btn_get_roi_sig.Bind(wx.EVT_BUTTON, self.on_get_roi_sig)
         btn_print.Bind(wx.EVT_BUTTON, self.on_print)
         btn_save.Bind(wx.EVT_BUTTON, self.on_save_cfg)
 
-        widgets = [btn_get_roi_bkg, btn_get_roi_sig]
+        widgets = [btn_screenpanel, btn_get_roi_bkg, btn_get_roi_sig]
         btns_get_roi = make_filled_vbox(widgets)
 
         widgets = [btn_print, btn_save]
@@ -139,6 +143,7 @@ class MainPanel(wx.Panel):
             bkg_setting.set_value(latest_bkg)
 
         self.eb_bkg.Enable()
+        self.btn_screenpanel.Enable()
         self.btn_get_roi_sig.Enable()
         self.btn_get_roi_bkg.Enable()
         self.btn_print.Enable()
@@ -162,6 +167,13 @@ class MainPanel(wx.Panel):
         return cfg
 
 
+    def on_screenpanel(self, event):
+        cam = self.camera
+        cmd = f"screen_panel -persist -cam={cam}"
+        print(cmd)
+        subprocess.run(cmd.split())
+
+
     def on_get_roi_bkg(self, event):
         roi = self._get_roi()
         if roi is None: