diff --git a/secop_psi/mercury.py b/secop_psi/mercury.py
index 839a767..d6ec17a 100644
--- a/secop_psi/mercury.py
+++ b/secop_psi/mercury.py
@@ -267,7 +267,7 @@ class Loop(HasConvergence, MercuryChannel, Drivable):
             self.set_output(True)
         else:
             self.log.warning('switch loop control on')
-            self.write_control_active(True)
+        self.write_control_active(True)
         self.target = target
         self.start_state()
 
diff --git a/secop_psi/triton.py b/secop_psi/triton.py
index 533f5ee..982e0b6 100644
--- a/secop_psi/triton.py
+++ b/secop_psi/triton.py
@@ -38,6 +38,7 @@ actions_map.mapping['NONE'] = actions.none  # when writing, STOP is used instead
 class Action(MercuryChannel, Writable):
     channel_type = 'ACTN'
     cooldown_channel = Property('cool down channel', StringType(), 'T5')
+    mix_channel = Property('mix channel', StringType(), 'T5')
     value = Parameter('running action', EnumType(actions))
     target = Parameter('action to do', EnumType(none=0, condense=1, collect=3), readonly=False)
     _target = 0
@@ -51,6 +52,8 @@ class Action(MercuryChannel, Writable):
     def write_target(self, value):
         self._target = value
         self.change('SYS:DR:CHAN:COOL', self.cooldown_channel, str)
+        # self.change('SYS:DR:CHAN:MC', self.mix_channel, str)
+        # self.change('DEV:T5:TEMP:MEAS:ENAB', 'ON', str)
         return self.change('SYS:DR:ACTN', value, actions_map)
 
     # actions: