def on_pause(self):
        # set ui
        self.scl_speed_controller.set(0)
        self.scl_rudder.set(0)
        self.btn_manual.config(relief=RAISED)
        self.btn_auto.config(relief=RAISED)
        # set controller
        self._view_controller.halt()
event handler for mode change
dataset/ETHPy150Open FishPi/FishPi-POCV---Command---Control/fishpi/ui/main_view_tk.py/ControlsFrame.on_pause