diff --git a/ConeCalorimeter/ViewModels/CValueCalibrationViewModel.cs b/ConeCalorimeter/ViewModels/CValueCalibrationViewModel.cs
index 80fdf00..caaf2e8 100644
--- a/ConeCalorimeter/ViewModels/CValueCalibrationViewModel.cs
+++ b/ConeCalorimeter/ViewModels/CValueCalibrationViewModel.cs
@@ -23,6 +23,7 @@ public sealed class CValueCalibrationViewModel : PageViewModel
     private const double PressureDifferenceMaximum = 5000;
     private const double CValueMinimum = 0;
     private const double CValueMaximum = 1000;
+    private const double BaselineOxygenDisplayScale = 100;
     private const ushort CirculatingWaterCoil = 49;
     private const ushort SamplingPumpCoil = 50;
     private const ushort IgniterCoil = 53;
@@ -32,6 +33,7 @@ public sealed class CValueCalibrationViewModel : PageViewModel
     private const ushort BaselineEndCoil = 62;
     private const ushort CalibrationStartCoil = 70;
     private const ushort CalibrationEndCoil = 72;
+    private static readonly TimeSpan PairedActionPulseDuration = TimeSpan.FromMilliseconds(300);
     private const string CirculatingWaterAction = "循环水";
     private const string SamplingPumpAction = "取样泵";
     private const string IgniterAction = "点火器";
@@ -86,6 +88,8 @@ public sealed class CValueCalibrationViewModel : PageViewModel
             CreateAction(CalibrationStartAction, CalibrationStartAction, "标定结束"),
             CreateAction(BaselineCollectionAction, BaselineCollectionAction, "基线结束")
         ];
+        _actionsByLabel[CalibrationStartAction].UpdateStatus(false);
+        _actionsByLabel[BaselineCollectionAction].UpdateStatus(false);
 
         RefreshDeviceValues();
         _refreshTimer = new DispatcherTimer
@@ -168,8 +172,9 @@ public sealed class CValueCalibrationViewModel : PageViewModel
             "BaselineOxygen",
             BaselineOxygenRegister,
             OxygenMinimum,
-            OxygenMaximum,
-            "0.00");
+            OxygenMaximum / BaselineOxygenDisplayScale,
+            "0.00",
+            BaselineOxygenDisplayScale);
         TemperatureText = ReadRangedFloatText(
             "Temperature",
             TemperatureRegister,
@@ -194,7 +199,7 @@ public sealed class CValueCalibrationViewModel : PageViewModel
             CValueMinimum,
             CValueMaximum,
             "0.00");
-        RefreshActionStates();
+        RefreshHoldActionStates();
     }
 
     private string ReadRangedFloatText(
@@ -202,7 +207,8 @@ public sealed class CValueCalibrationViewModel : PageViewModel
         ushort registerAddress,
         double minimum,
         double maximum,
-        string format)
+        string format,
+        double displayScale = 1)
     {
         if (!_tcpDeviceConnectionService.TryReadFloatValues(registerAddress, out var result))
         {
@@ -216,7 +222,7 @@ public sealed class CValueCalibrationViewModel : PageViewModel
         }
 
         LogFloatDiagnostic(label, registerAddress, result, byteOrder, matchCount);
-        return NormalizeDisplayValue(value).ToString(format, CultureInfo.InvariantCulture);
+        return NormalizeDisplayValue(value * displayScale).ToString(format, CultureInfo.InvariantCulture);
     }
 
     private void LogFloatDiagnostic(
@@ -262,15 +268,13 @@ public sealed class CValueCalibrationViewModel : PageViewModel
         return action;
     }
 
-    private void RefreshActionStates()
+    private void RefreshHoldActionStates()
     {
         UpdateActionStatus(CirculatingWaterAction, CirculatingWaterCoil);
         UpdateActionStatus(MethaneValveAction, MethaneValveCoil);
         UpdateActionStatus(FanAction, FanCoil);
         UpdateActionStatus(IgniterAction, IgniterCoil);
         UpdateActionStatus(SamplingPumpAction, SamplingPumpCoil);
-        UpdateActionStatus(BaselineCollectionAction, BaselineCollectionCoil);
-        UpdateActionStatus(CalibrationStartAction, CalibrationStartCoil);
     }
 
     private bool UpdateActionStatus(string action, ushort coilAddress)
@@ -327,27 +331,23 @@ public sealed class CValueCalibrationViewModel : PageViewModel
             return;
         }
 
-        if (!_tcpDeviceConnectionService.TryReadCoil(startCoilAddress, out var isActive))
+        if (!_actionsByLabel.TryGetValue(action, out var actionViewModel))
         {
-            LastAction = $"{action}状态读取失败";
-            Debug.WriteLine($"C value calibration action '{action}' state read failed.");
             return;
         }
 
+        var isActive = actionViewModel.IsActive;
         var coilAddress = isActive ? endCoilAddress : startCoilAddress;
         var actionText = isActive ? endActionText : action;
 
-        if (_tcpDeviceConnectionService.TryWriteCoil(coilAddress, true))
+        if (TryStartCoilPulse(coilAddress, actionText))
         {
             var completedBaselineCollection = action == BaselineCollectionAction && isActive;
             var completedCalibration = action == CalibrationStartAction && isActive;
             LastAction = completedBaselineCollection
                 ? "基线采集完成"
                 : completedCalibration ? "标定完成" : actionText;
-            if (_actionsByLabel.TryGetValue(action, out var actionViewModel))
-            {
-                actionViewModel.UpdateStatus(!isActive);
-            }
+            actionViewModel.UpdateStatus(!isActive);
 
             if (completedBaselineCollection)
             {
@@ -366,6 +366,26 @@ public sealed class CValueCalibrationViewModel : PageViewModel
         Debug.WriteLine($"C value calibration action '{actionText}' write failed.");
     }
 
+    private bool TryStartCoilPulse(ushort coilAddress, string actionText)
+    {
+        if (!_tcpDeviceConnectionService.TryWriteCoil(coilAddress, true))
+        {
+            return false;
+        }
+
+        _ = ReleaseCoilAfterPulseAsync(coilAddress, actionText);
+        return true;
+    }
+
+    private async Task ReleaseCoilAfterPulseAsync(ushort coilAddress, string actionText)
+    {
+        await Task.Delay(PairedActionPulseDuration);
+        if (!_tcpDeviceConnectionService.TryWriteCoil(coilAddress, false))
+        {
+            Debug.WriteLine($"C value calibration action '{actionText}' pulse release failed.");
+        }
+    }
+
     private static bool TryGetHoldActionCoil(string action, out ushort coilAddress)
     {
         switch (action)
diff --git a/ConeCalorimeter/ViewModels/ConeRadiationSettingsViewModel.cs b/ConeCalorimeter/ViewModels/ConeRadiationSettingsViewModel.cs
index 5d88e0d..b7186f5 100644
--- a/ConeCalorimeter/ViewModels/ConeRadiationSettingsViewModel.cs
+++ b/ConeCalorimeter/ViewModels/ConeRadiationSettingsViewModel.cs
@@ -18,6 +18,8 @@ public sealed class ConeRadiationSettingsViewModel : PageViewModel
     private const double CurrentTemperatureMaximumDropPerRefresh = 80;
     private const double CurrentHeatFluxMinimum = 0;
     private const double CurrentHeatFluxMaximum = 1000;
+    private const double CurrentHeatFluxStableTolerance = 5;
+    private const int CurrentHeatFluxStableReadCount = 3;
     private const double HeatTransferInputMinimum = 0;
     private const double HeatTransferReadMinimum = 0.01;
     private const double HeatTransferMaximum = 20000;
@@ -44,6 +46,9 @@ public sealed class ConeRadiationSettingsViewModel : PageViewModel
     private bool _heatingActive;
     private bool _isEditingConeParameters;
     private double? _lastStableCurrentTemperature;
+    private double? _lastStableCurrentHeatFlux;
+    private double? _pendingCurrentHeatFlux;
+    private int _pendingCurrentHeatFluxReadCount;
     private DateTime _parameterRefreshBlockedUntil = DateTime.MinValue;
 
     public ConeRadiationSettingsViewModel(
@@ -191,10 +196,17 @@ public sealed class ConeRadiationSettingsViewModel : PageViewModel
             CurrentHeatFluxMinimum,
             CurrentHeatFluxMaximum,
             "0.00",
-            out var currentHeatFluxText,
-            out _))
+            out _,
+            out var currentHeatFlux))
         {
-            CurrentHeatFluxText = currentHeatFluxText;
+            if (TryUpdateStableCurrentHeatFlux(currentHeatFlux, out var stableCurrentHeatFlux))
+            {
+                CurrentHeatFluxText = stableCurrentHeatFlux.ToString("0.00", CultureInfo.InvariantCulture);
+            }
+        }
+        else if (!_lastStableCurrentHeatFlux.HasValue)
+        {
+            CurrentHeatFluxText = string.Empty;
         }
 
         if (CanRefreshConeParameters())
@@ -271,6 +283,46 @@ public sealed class ConeRadiationSettingsViewModel : PageViewModel
             || value >= _lastStableCurrentTemperature.Value - CurrentTemperatureMaximumDropPerRefresh;
     }
 
+    private bool TryUpdateStableCurrentHeatFlux(double value, out double stableValue)
+    {
+        value = NormalizeDisplayValue(value);
+        stableValue = _lastStableCurrentHeatFlux ?? value;
+
+        if (_lastStableCurrentHeatFlux.HasValue
+            && Math.Abs(value - _lastStableCurrentHeatFlux.Value) <= CurrentHeatFluxStableTolerance)
+        {
+            AcceptStableCurrentHeatFlux(value);
+            stableValue = value;
+            return true;
+        }
+
+        if (!_pendingCurrentHeatFlux.HasValue
+            || Math.Abs(value - _pendingCurrentHeatFlux.Value) > CurrentHeatFluxStableTolerance)
+        {
+            _pendingCurrentHeatFlux = value;
+            _pendingCurrentHeatFluxReadCount = 1;
+            return false;
+        }
+
+        _pendingCurrentHeatFluxReadCount++;
+
+        if (_pendingCurrentHeatFluxReadCount < CurrentHeatFluxStableReadCount)
+        {
+            return false;
+        }
+
+        AcceptStableCurrentHeatFlux(value);
+        stableValue = value;
+        return true;
+    }
+
+    private void AcceptStableCurrentHeatFlux(double value)
+    {
+        _lastStableCurrentHeatFlux = value;
+        _pendingCurrentHeatFlux = null;
+        _pendingCurrentHeatFluxReadCount = 0;
+    }
+
     private string ReadScaledInt16Text(ushort registerAddress, double scale, string format)
     {
         return _tcpDeviceConnectionService.TryReadInt16(registerAddress, out var rawValue)