diff --git a/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/FM2014.cs b/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/FM2014.cs
index 5e25e077..2dd23f72 100644
--- a/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/FM2014.cs
+++ b/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/FM2014.cs
@@ -269,7 +269,7 @@ namespace Sensus.Common.Hardware.WaterMeter.MechanicalMeter.FM2014.FM2014Core
 
                             if (int.TryParse(refPulseStr, NumberStyles.HexNumber, new CultureInfo("en"), out var refPulses))
                             {
-                                var response = new FM2014CmdDef.CmdResponse(FM2014CmdDef.CmdName.CMD_REF_GET_PLS_CTR, "",
+                                var response = new FM2014CmdDef.CmdResponse(FM2014CmdDef.CmdName.CMD_REF_GET_PLS_CTR, infoRef,
                                     refPulses);
                                 OnRawRecordReceived?.Invoke(this, new ProcessExecEventArgs(infoRef, specificInfoObj: response));
                             }
@@ -281,7 +281,7 @@ namespace Sensus.Common.Hardware.WaterMeter.MechanicalMeter.FM2014.FM2014Core
 
                             if (int.TryParse(dutPulseStr, NumberStyles.HexNumber, new CultureInfo("en"), out var dutPulses))
                             {
-                                var response = new FM2014CmdDef.CmdResponse(FM2014CmdDef.CmdName.CMD_DUT_GET_PLS_CTR, "",
+                                var response = new FM2014CmdDef.CmdResponse(FM2014CmdDef.CmdName.CMD_DUT_GET_PLS_CTR, infoDut,
                                     dutPulses);
                                 OnRawRecordReceived?.Invoke(this, new ProcessExecEventArgs(infoDut, specificInfoObj: response));
                             }
@@ -371,10 +371,21 @@ namespace Sensus.Common.Hardware.WaterMeter.MechanicalMeter.FM2014.FM2014Core
             ReceiveTaskIsActive = false;
             // Reset measurement
             var cmdCode = FM2014CmdDef.GetCmdChar(FM2014CmdDef.CmdName.CMD_RST_MEAS);
+            var infoStr = FM2014CmdDef.GetCmdInfo(FM2014CmdDef.CmdName.CMD_RST_MEAS);
             // Read out the serial number of this FM2014
             SerialPort?.Write($"{cmdCode}{_eos}");
+            
             // Wait until FM2014 calibration finished
-            Thread.Sleep(4000);
+            var resetDelayCtr_ms = 4000;
+            const Int32 loopTime_ms = 500;
+            do
+            {
+                var response = new FM2014CmdDef.CmdResponse(FM2014CmdDef.CmdName.CMD_RST_MEAS, infoStr,
+                    resetDelayCtr_ms);
+                OnRawRecordReceived?.Invoke(this, new ProcessExecEventArgs(infoStr, specificInfoObj: response));
+                Thread.Sleep(loopTime_ms);
+                resetDelayCtr_ms -= loopTime_ms;
+            } while (resetDelayCtr_ms > 0);
 
             return true;
         }
diff --git a/MiniPrf/Ui/FrmMainMiniPrf.cs b/MiniPrf/Ui/FrmMainMiniPrf.cs
index 5e552b3f..ff9d9341 100644
--- a/MiniPrf/Ui/FrmMainMiniPrf.cs
+++ b/MiniPrf/Ui/FrmMainMiniPrf.cs
@@ -604,12 +604,24 @@ namespace Sensus.MiniPrf.Ui
         #endregion
 
         #region Buttons and Controls
+        /// <summary>
+        /// Establish connection to FM2014 with individual address and read out FM2014 info.
+        /// </summary>
+        /// <remarks date="2023-Jan-04" author="Thomas Wiedebusch">
+        /// - Initial.
+        /// </remarks>
         private void btnConnect_Click(Object sender, EventArgs e)
         {
             _startTime = DateTimeOffset.UtcNow;
             Connect();
         }
 
+        /// <summary>
+        /// Start and stop the manual REF calibration.
+        /// </summary>
+        /// <remarks date="2023-Jan-04..12" author="Thomas Wiedebusch">
+        /// - Initial.
+        /// </remarks>
         private void btnManualRefCalibration_Click(Object sender, EventArgs e)
         {
             if (!_fm2014.ReceiveTaskIsActive)
@@ -631,6 +643,12 @@ namespace Sensus.MiniPrf.Ui
             }
         }
 
+        /// <summary>
+        /// Selected COM port item has changed.
+        /// </summary>
+        /// <remarks date="2023-Jan-04" author="Thomas Wiedebusch">
+        /// - Initial.
+        /// </remarks>
         private void cbxFM2014ComPort_SelectedValueChanged(Object sender, EventArgs e)
         {
             if (_toleranceIdx != cbxFM2014TolerancePercent.SelectedIndex ||
@@ -647,18 +665,18 @@ namespace Sensus.MiniPrf.Ui
 
         #region Event handler
 
+        /// <summary>
+        /// Feedback from FM2014.
+        /// </summary>
+        /// <remarks date="2023-Jan-04..12" author="Thomas Wiedebusch">
+        /// - Initial.
+        /// </remarks>
         private void DataReceived_Handler(Object sender, ProcessExecEventArgs e)
         {
 
             var resp = (FM2014CmdDef.CmdResponse)e.SpecificInfoObj;
             if (resp.IntValue != null)
-                LogText(resp.IntValue.ToString());
-
-            // Return to standby
-            if (!_fm2014.ReceiveTaskIsActive)
-            {
-                ActionControl(false);
-            }
+                LogText($"{resp.AnswerStr}: {resp.IntValue:D}");
         }
         #endregion
     }