diff --git a/TestBenchFramework/BenchControl/TestMethods/Adjustment/WMErrorsForm.cs b/TestBenchFramework/BenchControl/TestMethods/Adjustment/WMErrorsForm.cs
index e4acbd6a6..8401a71e9 100644
--- a/TestBenchFramework/BenchControl/TestMethods/Adjustment/WMErrorsForm.cs
+++ b/TestBenchFramework/BenchControl/TestMethods/Adjustment/WMErrorsForm.cs
@@ -16,6 +16,9 @@ namespace TBF.BenchControl.TestMethods.Adjustment
         public bool Completed { get { return completed; } }
 		bool completed;
 
+
+		Rectangle[] rects;
+
         /// <summary>
         /// Constructor
         /// </summary>
@@ -27,6 +30,14 @@ namespace TBF.BenchControl.TestMethods.Adjustment
             completed = false;
 			tr = null;
 
+
+			rects = new Rectangle[WaterMetersCount];
+			for (int i = 0; i < WaterMetersCount; i++)
+			{
+				rects[i] = new Rectangle(385, 30 + 90 * i, 324, 57);
+			}
+
+
 			/// Attach to 'AdjustmentInProgress' handler
 			UiBridge.Bridge.AdjustmentInProgressHandler += delegate(object sender, UiBridge.AdjustmentInProgressEventArgs args)
 			{
@@ -83,9 +94,16 @@ namespace TBF.BenchControl.TestMethods.Adjustment
 			wmErrorTextBox6.Text = "---";
 		}
 
+		private void okButton_Click(object sender, EventArgs e)
+		{
+			completed = true;
+			Close();
+		}
+
 		void OnAdjustmentInProgress(object sender, UiBridge.AdjustmentInProgressEventArgs args)
 		{
 			tr = args.TestResult;
+			Redraw();
 		}
 
 		void Redraw()
@@ -98,19 +116,52 @@ namespace TBF.BenchControl.TestMethods.Adjustment
 				if (WaterMetersCount >= 4) wmErrorTextBox4.Text = tr.Meters[3].VolumeErrorPct.ToString("F1");
 				if (WaterMetersCount >= 5) wmErrorTextBox5.Text = tr.Meters[4].VolumeErrorPct.ToString("F1");
 				if (WaterMetersCount >= 6) wmErrorTextBox6.Text = tr.Meters[5].VolumeErrorPct.ToString("F1");
-			}
-			Invalidate(new Rectangle(380, 30, 330, 500));
-		}
 
-		private void okButton_Click(object sender, EventArgs e)
-		{
-			completed = true;
-			Close();
+				for (int i = 0; i < WaterMetersCount; i++) Invalidate(rects[i]);
+			}
 		}
 
 		private void WMErrorsForm_Paint(object sender, PaintEventArgs e)
 		{
+			if (tr != null)
+			{
+				System.Drawing.Graphics graphics = this.CreateGraphics();
 
+				for (int i = 0; i < WaterMetersCount; i++)
+				{
+					PaintOne(graphics, rects[i], tr.Meters[i].VolumeErrorPct, tr.ErrLimLo, tr.ErrLimHi);
+				}
+			}
 		}
-    }
+
+		void PaintOne(System.Drawing.Graphics g, Rectangle r, float value, float limLo, float limHi)
+		{
+			Rectangle rect1 = new Rectangle(r.Left, r.Top, r.Width / 3, r.Height);
+			Rectangle rect2 = new Rectangle(r.Left + r.Width / 3, r.Top, r.Width / 3, r.Height);
+			Rectangle rect3 = new Rectangle(r.Left + 2 * (r.Width / 3), r.Top, r.Width / 3, r.Height);
+
+			Brush redBrush = new SolidBrush(Color.FromName("Salmon"));
+			Brush greenBrush = new SolidBrush(Color.FromName("LightGreen"));
+			g.FillRectangle(redBrush, rect1);
+			g.FillRectangle(greenBrush, rect2);
+			g.FillRectangle(redBrush, rect3);
+
+			int x0 = r.Left + r.Width / 2;
+			int dx = r.Height / 3;
+			int x = (int)((float)r.Width * (2.0 * value - limLo - limHi) / (limHi - limLo) / 6.0f + 0.5f);
+
+			if (x0 - dx + x >= r.Left && x0 + dx + x < r.Left + r.Width)
+			{
+				Point[] triangle = new Point[3]
+				{
+					new Point(x0 - dx + x, r.Top),
+					new Point(x0 + dx + x, r.Top),
+					new Point(x0 + x, r.Top + 2 * r.Height / 3),
+				};
+
+				Brush blackBrush = new SolidBrush(Color.Black);
+				g.FillPolygon(blackBrush, triangle);
+			}
+		}
+	}
 }