diff --git a/pytec/pytec/gui/view/ctrl_panel.py b/pytec/pytec/gui/view/ctrl_panel.py
index 0c8d9d2..3de91d6 100644
--- a/pytec/pytec/gui/view/ctrl_panel.py
+++ b/pytec/pytec/gui/view/ctrl_panel.py
@@ -4,6 +4,7 @@ from pyqtgraph.parametertree import (
     Parameter,
     registerParameterType,
 )
+from qasync import asyncSlot
 
 
 class MutexParameter(pTypes.ListParameter):
@@ -47,14 +48,17 @@ class CtrlPanel(QObject):
 
     def __init__(
         self,
+        thermostat,
+        autotuner,
         trees_ui,
         param_tree,
-        sigTreeStateChanged_handle,
         sigActivated_handles,
         parent=None,
     ):
         super().__init__(parent)
 
+        self.thermostat = thermostat
+        self.autotuner = autotuner
         self.trees_ui = trees_ui
         self.NUM_CHANNELS = len(trees_ui)
 
@@ -77,7 +81,7 @@ class CtrlPanel(QObject):
             tree.setHeaderHidden(True)
             tree.setParameters(self.params[i], showTop=False)
             self.params[i].setValue = self._setValue
-            self.params[i].sigTreeStateChanged.connect(sigTreeStateChanged_handle)
+            self.params[i].sigTreeStateChanged.connect(self.send_command)
 
             for handle in sigActivated_handles[i]:
                 self.params[i].child(*handle[0]).sigActivated.connect(handle[1])
@@ -111,6 +115,44 @@ class CtrlPanel(QObject):
     def change_params_title(self, channel, path, title):
         self.params[channel].child(*path).setOpts(title=title)
 
+    @asyncSlot(object, object)
+    async def send_command(self, param, changes):
+        """Translates parameter tree changes into thermostat set_param calls"""
+        ch = param.channel
+
+        for inner_param, change, data in changes:
+            if change == "value":
+                if inner_param.opts.get("param", None) is not None:
+                    if inner_param.opts.get("suffix", None) == "mA":
+                        data /= 1000  # Given in mA
+
+                    thermostat_param = inner_param.opts["param"]
+                    if thermostat_param[1] == "ch":
+                        thermostat_param[1] = ch
+
+                    if inner_param.name() == "Postfilter Rate" and data is None:
+                        set_param_args = (*thermostat_param[:2], "off")
+                    else:
+                        set_param_args = (*thermostat_param, data)
+                    param.child(*param.childPath(inner_param)).setOpts(lock=True)
+                    await self.thermostat.set_param(*set_param_args)
+                    param.child(*param.childPath(inner_param)).setOpts(lock=False)
+
+                if inner_param.opts.get("pid_autotune", None) is not None:
+                    auto_tuner_param = inner_param.opts["pid_autotune"][0]
+                    if inner_param.opts["pid_autotune"][1] != "ch":
+                        ch = inner_param.opts["pid_autotune"][1]
+                    self.autotuners.set_params(auto_tuner_param, ch, data)
+
+                if inner_param.opts.get("activaters", None) is not None:
+                    activater = inner_param.opts["activaters"][
+                        inner_param.opts["limits"].index(data)
+                    ]
+                    if activater is not None:
+                        if activater[1] == "ch":
+                            activater[1] = ch
+                        await self.thermostat.set_param(*activater)
+
     @pyqtSlot("QVariantList")
     def update_pid(self, pid_settings):
         for settings in pid_settings:
diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index a8726cd..370cdae 100755
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -97,9 +97,10 @@ class MainWindow(QtWidgets.QMainWindow):
         self.thermostat.info_box_trigger.connect(self.info_box.display_info_box)
 
         self.ctrl_panel_view = CtrlPanel(
+            self.thermostat,
+            self.autotuners,
             [self.ch0_tree, self.ch1_tree],
             get_ctrl_panel_config(args),
-            self.send_command,
             param_tree_sigActivated_handles,
         )
 
@@ -280,44 +281,6 @@ class MainWindow(QtWidgets.QMainWindow):
         await self._on_connection_changed(ThermostatConnectionState.DISCONNECTED)
         await self.thermostat.end_session()
 
-    @asyncSlot(object, object)
-    async def send_command(self, param, changes):
-        """Translates parameter tree changes into thermostat set_param calls"""
-        ch = param.channel
-
-        for inner_param, change, data in changes:
-            if change == "value":
-                if inner_param.opts.get("param", None) is not None:
-                    if inner_param.opts.get("suffix", None) == "mA":
-                        data /= 1000  # Given in mA
-
-                    thermostat_param = inner_param.opts["param"]
-                    if thermostat_param[1] == "ch":
-                        thermostat_param[1] = ch
-
-                    if inner_param.name() == "Postfilter Rate" and data is None:
-                        set_param_args = (*thermostat_param[:2], "off")
-                    else:
-                        set_param_args = (*thermostat_param, data)
-                    param.child(*param.childPath(inner_param)).setOpts(lock=True)
-                    await self.thermostat.set_param(*set_param_args)
-                    param.child(*param.childPath(inner_param)).setOpts(lock=False)
-
-                if inner_param.opts.get("pid_autotune", None) is not None:
-                    auto_tuner_param = inner_param.opts["pid_autotune"][0]
-                    if inner_param.opts["pid_autotune"][1] != "ch":
-                        ch = inner_param.opts["pid_autotune"][1]
-                    self.autotuners.set_params(auto_tuner_param, ch, data)
-
-                if inner_param.opts.get("activaters", None) is not None:
-                    activater = inner_param.opts["activaters"][
-                        inner_param.opts["limits"].index(data)
-                    ]
-                    if activater is not None:
-                        if activater[1] == "ch":
-                            activater[1] = ch
-                        await self.thermostat.set_param(*activater)
-
     @asyncSlot()
     async def pid_auto_tune_request(self, ch=0):
         match self.autotuners.get_state(ch):