diff --git a/src/gui/__init__.py b/src/gui/__init__.py
--- a/src/gui/__init__.py
+++ b/src/gui/__init__.py
@@ -8,6 +8,9 @@ from .settings import Settings
 
 
 class GUI:
+	SETUP=PREVIEW=0
+	RECORDING=REAL=1
+
 	def __init__(self):
 		self.root = tk.Tk()
 		self.root.title("OneEye {0}.{1}.{2}".format(*config.misc.version))
@@ -16,16 +19,20 @@ class GUI:
 		self._ownMessages=None
 		self._coreMessages=None
 
+		self._state=GUI.SETUP
+
 		self.mainWindow = MainWindow(self, master=self.root)
 		self.root.columnconfigure(0,weight=1)
 		self.root.rowconfigure(0,weight=1)
 
 		self.root.bind("<<redrawImgView>>", lambda e: self.mainWindow.redrawImgView())
-		self.root.bind("<Left>",lambda e: self.sendMsg("prevFrame"))
-		self.root.bind("<Right>",lambda e: self.sendMsg("nextFrame"))
+		self.root.bind("<<setUp>>", lambda e: self.setUp())
+		self.root.bind("<<setRecording>>", lambda e: self.setRecording())
 		self.root.bind("<F12>",lambda e: Settings(self))
 		self.mainWindow.bind("<Destroy>",lambda e: self._ownMessages.send("!kill",("gui",)))
 
+		self.setUp()
+
 	def __call__(self,ownMessages,coreMessages):
 		self._ownMessages=ownMessages
 		self._coreMessages=coreMessages
@@ -38,13 +45,24 @@ class GUI:
 	def sendMsg(self,actionName,args=tuple(),kwargs=None):
 		self._coreMessages.send(actionName,args,kwargs)
 
+	def setUp(self):
+		self.mainWindow.setUp()
+		self.root.bind("<Left>",lambda e: self.sendMsg("prevFrame"))
+		self.root.bind("<Right>",lambda e: self.sendMsg("nextFrame"))
+
+	def setRecording(self):
+		self.mainWindow.setRecording()
+		self.root.bind("<Left>",lambda e: None)
+		self.root.bind("<Right>",lambda e: None)
+
 	def _handleEvent(self,e):
 		actions={"setCurrentFrame":self._frameHandler, "setGameState":self._stateHandler}
 		(actionName,args,kwargs)=e
 
 		return actions[actionName](*args,**kwargs)
 
-	def _frameHandler(self,newFrame):
+	def _frameHandler(self,newFrame,type):
+		if self._state!=type: return
 		self.mainWindow.setCurrentFrame(newFrame)
 		self.root.event_generate("<<redrawImgView>>")
 
@@ -53,3 +71,18 @@ class GUI:
 		self.mainWindow.boardView.redrawState(gameState,labels)
 
 gui=GUI()
+
+"""
+# setup #
+* we can click around the ImgView
+* we can walk through the frames back and forth
+* BoardView is showing what the reading of ImgView _would_ be
+* core is reading and analyzing frames, pushing results to StateBag, but not showing them
+
+# recording #
+* ImgView is showing the current picture, is not clickable
+* BoardView is showing last detected position
+* on switch to recording (if parameters have changed):
+	* feed analyzer new parameters and start using them
+	* in the background reanalyze cached frames with the new parameters and merge them into StateBag
+"""