diff --git a/AirMonitor/AirZone.cs b/AirMonitor/AirZone.cs
index cf1521e..ab9f003 100644
--- a/AirMonitor/AirZone.cs
+++ b/AirMonitor/AirZone.cs
@@ -1,6 +1,5 @@
 using Sandbox.ModAPI.Ingame;
 using SpaceEngineers.Game.ModAPI.Ingame;
-using System.Collections;
 using System.Collections.Generic;
 using VRageMath;
 
@@ -11,7 +10,17 @@ namespace IngameScript
         public class AirZone
         {
             public string Name { get; private set; }
-            public bool Triggered { get; set; } = false;
+            public bool Triggered
+            {
+                get
+                {
+                    foreach (IMyAirVent vent in Vents)
+                    {
+                        if (vent.GetOxygenLevel() < TriggerLevel) return true;
+                    }
+                    return false;
+                }
+            }
             public List<IMyAirVent> Vents { get; } = new List<IMyAirVent>();
 
             private Program _program;
@@ -61,31 +70,14 @@ namespace IngameScript
                 // TODO: support for arbitrary (sub-)sequences here could be powerful
             }
 
-            public void Reset()
-            {
-                _console.Print("Resetting sensor.");
-                Triggered = false;
-            }
-
             // This enumerator should run forever.
             public IEnumerator<bool> Monitor()
             {
                 while (true)
                 {
-                    foreach (IMyAirVent vent in Vents)
-                    {
-                        if (vent.GetOxygenLevel() < TriggerLevel) Triggered = true;
-                    }
-
-                    // TODO: add informational lights per-zone
                     if (Triggered == true)
                     {
                         _console.Print($"Low pressure alarm triggered.");
-                        foreach (IMyLightingBlock light in _lights)
-                        {
-                            light.Enabled = true;
-                            light.Color = Color.Red;
-                        }
 
                         // close the doors
                         IEnumerator<bool> job = _sequencer.RunSequence(true);
@@ -98,7 +90,7 @@ namespace IngameScript
                         }
                         job.Dispose();
 
-                        while (Triggered) yield return true;
+                        while (Triggered) { yield return true; }
 
                         // unlock the doors, but we'll leave them closed.
                         foreach (IMyDoor door in _doors) { door.Enabled = true; }
@@ -113,6 +105,28 @@ namespace IngameScript
                     yield return true;
                 }
             }
+
+            public void SetLights()
+            {
+                bool warning = false;
+                foreach (IMyAirVent vent in Vents)
+                {
+                    if (vent.GetOxygenLevel() < TriggerLevel)
+                    {
+                        warning = true;
+                        break;
+                    }
+                }
+                foreach (IMyLightingBlock light in _lights)
+                {
+                    if (warning)
+                    {
+                        light.Enabled = true;
+                        light.Color = Color.Red;
+                    }
+                    else light.Color = Color.White;
+                }
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/AirMonitor/Program.cs b/AirMonitor/Program.cs
index 10f6529..f4865dd 100644
--- a/AirMonitor/Program.cs
+++ b/AirMonitor/Program.cs
@@ -13,7 +13,6 @@ namespace IngameScript
         public MyIni Ini { get; } = new MyIni();
         public IConsole Console { get; private set; }
 
-        private MyCommandLine _cli = new MyCommandLine();
         private Dictionary<string, AirZone> _zones = new Dictionary<string, AirZone>();
         private List<IEnumerator<bool>> _jobs = new List<IEnumerator<bool>>();
         private List<IMyTextSurface> _displays = new List<IMyTextSurface>();
@@ -32,16 +31,12 @@ namespace IngameScript
                 Ini.TryParse(block.CustomData);
                 string[] zones = new string[] { };
 
-                // TODO: how do we display text on e.g. decorative console blocks?
-                // They have configurable screens but the docs say they don't implement this.
-                // Meanwhile *every* functional block seems to implement IMyTextSurfaceProvider...
-                // It'd probably be safe to just check SurfaceCount... experiment with this later
                 if (block is IMyTextSurface)
                 {
                     Console.Print($"Adding monitoring display '{block.CustomName}'");
                     _displays.Add(block as IMyTextSurface);
                 }
-                if (Ini.Get("airMonitor", "display").ToString() != "")
+                else if (Ini.Get("airMonitor", "display").ToString() != "")
                 {
                     int displayIndex = Ini.Get("airMonitor", "display").ToInt32();
                     IMyTextSurfaceProvider provider = block as IMyTextSurfaceProvider;
@@ -54,12 +49,11 @@ namespace IngameScript
                         _displays.Add(provider.GetSurface(displayIndex));
                     }
                 }
-                if (block is IMyGasTank)
+                else if (block is IMyGasTank)
                 {
                     _oxygenTanks.Add(block as IMyGasTank);
                 }
-
-                if (Ini.Get("airMonitor", "zones").ToString() != "")
+                else if (Ini.Get("airMonitor", "zones").ToString() != "")
                 {
                     zones = Ini.Get("airMonitor", "zones").ToString().Split(',');
                 }
@@ -67,6 +61,9 @@ namespace IngameScript
                 {
                     zones = new string[] { Ini.Get("airMonitor", "zone").ToString() };
                 }
+                else {
+                    Console.Print($"Failed to add block {block.CustomName}");
+                }
 
                 foreach (string zone in zones)
                 {
@@ -93,47 +90,15 @@ namespace IngameScript
         {
             Console.UpdateTickCount();
 
-            if (argument != "")
-            {
-                _cli.TryParse(argument);
-                if (_cli.Switch("reset") || _cli.Switch("trigger"))
-                {
-                    List<string> zonesToControl;
-                    if (_cli.ArgumentCount == 0) zonesToControl = _zones.Keys.ToList();
-                    else zonesToControl = new List<string>();
-                    for (int i = 0; i < _cli.ArgumentCount; i++)
-                    {
-                        string zone = _cli.Argument(i);
-                        if (!_zones.ContainsKey(zone))
-                        {
-                            Console.Print($"Ignoring non-existent zone '{zone}'");
-                            continue;
-                        }
-                        zonesToControl.Add(zone);
-                    }
-
-                    foreach (string zone in zonesToControl)
-                    {
-                        if (_cli.Switch("reset"))
-                        {
-                            Console.Print($"Resetting {zone}.");
-                            _zones[zone].Reset();
-                        }
-                        if (_cli.Switch("trigger"))
-                        {
-                            Console.Print($"Manually triggering {zone}.");
-                            _zones[zone].Triggered = true;
-                        }
-                    }
-                }
-            }
-
             foreach (IEnumerator job in _jobs)
             {
                 if (job.MoveNext()) continue;
                 Console.Print("WARNING: Monitoring job exited. Zone no longer being monitored.");
             }
 
+            // Light indicators should be set/unset independent of the triggered states and actions.
+            foreach (AirZone zone in _zones.Values) zone.SetLights();
+
             _updateDisplays();
         }
 
diff --git a/Airlock/Airlock.cs b/Airlock/Airlock.cs
index 0cb214e..ba6d355 100644
--- a/Airlock/Airlock.cs
+++ b/Airlock/Airlock.cs
@@ -83,7 +83,7 @@ namespace IngameScript
 
             private float _targetOxygenLevel = 0.0F;
 
-            private const int CooldownTicks = 120;
+            private const int CooldownTicks = 12;
             private const int SealTimeoutTicks = 30;
 
             public Airlock(string name, Program _program)
diff --git a/Mixins/Sequencer/SequenceablePiston.cs b/Mixins/Sequencer/SequenceablePiston.cs
index 4336e33..433f120 100644
--- a/Mixins/Sequencer/SequenceablePiston.cs
+++ b/Mixins/Sequencer/SequenceablePiston.cs
@@ -36,7 +36,6 @@ namespace IngameScript
             {
                 if (Running) yield break;
                 Running = true;
-                _program.Console.Print("DEBUG: Piston Starting");
 
                 float targetValue = _stowPosition;
                 float lastValue = -1;
@@ -44,10 +43,8 @@ namespace IngameScript
                 _piston.MoveToPosition(targetValue, _velocity);
 
                 while (lastValue != _piston.CurrentPosition)
-//                    Math.Abs(_piston.CurrentPosition - targetValue) > 0.01 ||
                 {
                     lastValue = _piston.CurrentPosition;
-                    _program.Console.Print(_piston.Status.ToString());
                     yield return true;
                 }