diff --git a/Models/Instruments/Common/res/du-test.svg b/Models/Instruments/Common/res/du-test.svg
index 79a4b661..d0a9b4c6 100644
--- a/Models/Instruments/Common/res/du-test.svg
+++ b/Models/Instruments/Common/res/du-test.svg
@@ -41,9 +41,9 @@
      inkscape:window-height="1030"
      id="namedview371"
      showgrid="true"
-     inkscape:zoom="0.25"
-     inkscape:cx="1402.5446"
-     inkscape:cy="508.4561"
+     inkscape:zoom="0.70710678"
+     inkscape:cx="927.599"
+     inkscape:cy="590.48297"
      inkscape:window-x="1592"
      inkscape:window-y="-8"
      inkscape:window-maximized="1"
@@ -55,13 +55,22 @@
        type="xygrid"
        id="grid5153" />
   </sodipodi:namedview>
+  <rect
+     style="fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:#ffffff;stroke-width:3.67089081;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+     id="Test_white"
+     width="1020.3291"
+     height="1020.3291"
+     x="1.8354454"
+     y="1.8354164"
+     inkscape:label="#rect4136" />
   <text
      xml:space="preserve"
      style="font-style:normal;font-weight:normal;font-size:32px;line-height:125%;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
      x="511.80469"
      y="494.27536"
-     id="text4335"
-     sodipodi:linespacing="125%"><tspan
+     id="Test_text"
+     sodipodi:linespacing="125%"
+     inkscape:label="#text4335"><tspan
        sodipodi:role="line"
        id="tspan4337"
        x="511.80469"
diff --git a/Models/Instruments/Lower-ECAM/Lower-ECAM.nas b/Models/Instruments/Lower-ECAM/Lower-ECAM.nas
index ae38b4a8..74a0176b 100644
--- a/Models/Instruments/Lower-ECAM/Lower-ECAM.nas
+++ b/Models/Instruments/Lower-ECAM/Lower-ECAM.nas
@@ -111,6 +111,7 @@ var canvas_lowerECAM_base = {
 				lowerECAM_wheel.page.hide();
 				lowerECAM_door.page.hide();
 				lowerECAM_test.page.show();
+				lowerECAM_test.update();
 			} else {
 				lowerECAM_test.page.hide();
 				page = getprop("/ECAM/Lower/page");
@@ -1327,6 +1328,11 @@ var canvas_lowerECAM_test = {
 		};
 
 		canvas.parsesvg(canvas_group, file, {"font-mapper": font_mapper});
+		
+		var svg_keys = me.getKeys();
+		foreach(var key; svg_keys) {
+			me[key] = canvas_group.getElementById(key);
+		}
 
 		me.page = canvas_group;
 
@@ -1338,6 +1344,18 @@ var canvas_lowerECAM_test = {
 
 		return m;
 	},
+	getKeys: func() {
+		return ["Test_white","Test_text"];
+	},
+	update: func() {
+		if (getprop("/instrumentation/du/du4-test-time") + 1 >= elapsedtime) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else {
+			me["Test_white"].hide();
+			me["Test_text"].show();
+		}
+	},
 };
 
 setlistener("sim/signals/fdm-initialized", func {
diff --git a/Models/Instruments/ND/canvas/ND.nas b/Models/Instruments/ND/canvas/ND.nas
index f23feb85..b9d42a43 100644
--- a/Models/Instruments/ND/canvas/ND.nas
+++ b/Models/Instruments/ND/canvas/ND.nas
@@ -109,9 +109,11 @@ var canvas_nd_base = {
 			if (getprop("/instrumentation/du/du2-test-time") + getprop("/instrumentation/du/du2-test-amount") >= elapsedtime and getprop("/modes/cpt-du-xfr") != 1) {
 				ND_1.page.hide();
 				ND_1_test.page.show();
+				ND_1_test.update();
 			} else if (getprop("/instrumentation/du/du1-test-time") + getprop("/instrumentation/du/du1-test-amount") >= elapsedtime and getprop("/modes/cpt-du-xfr") == 1) {
 				ND_1.page.hide();
 				ND_1_test.page.show();
+				ND_1_test.update();
 			} else {
 				ND_1_test.page.hide();
 				ND_1.page.show();
@@ -125,9 +127,11 @@ var canvas_nd_base = {
 			if (getprop("/instrumentation/du/du5-test-time") + getprop("/instrumentation/du/du6-test-amount") >= elapsedtime and getprop("/modes/fo-du-xfr") != 1) {
 				ND_2.page.hide();
 				ND_2_test.page.show();
+				ND_2_test.update();
 			} else if (getprop("/instrumentation/du/du6-test-time") + getprop("/instrumentation/du/du5-test-amount") >= elapsedtime and getprop("/modes/fo-du-xfr") == 1) {
 				ND_2.page.hide();
 				ND_2_test.page.show();
+				ND_2_test.update();
 			} else {
 				ND_2_test.page.hide();
 				ND_2.page.show();
@@ -187,6 +191,11 @@ var canvas_ND_1_test = {
 		};
 
 		canvas.parsesvg(canvas_group, file, {"font-mapper": font_mapper});
+		
+		var svg_keys = me.getKeys();
+		foreach(var key; svg_keys) {
+			me[key] = canvas_group.getElementById(key);
+		}
 
 		me.page = canvas_group;
 
@@ -198,6 +207,21 @@ var canvas_ND_1_test = {
 
 		return m;
 	},
+	getKeys: func() {
+		return ["Test_white","Test_text"];
+	},
+	update: func() {
+		if (getprop("/instrumentation/du/du2-test-time") + 1 >= elapsedtime and getprop("/modes/cpt-du-xfr") != 1) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else if (getprop("/instrumentation/du/du1-test-time") + 1 >= elapsedtime and getprop("/modes/cpt-du-xfr") == 1) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else {
+			me["Test_white"].hide();
+			me["Test_text"].show();
+		}
+	},
 };
 
 var canvas_ND_2_test = {
@@ -207,6 +231,11 @@ var canvas_ND_2_test = {
 		};
 
 		canvas.parsesvg(canvas_group, file, {"font-mapper": font_mapper});
+		
+		var svg_keys = me.getKeys();
+		foreach(var key; svg_keys) {
+			me[key] = canvas_group.getElementById(key);
+		}
 
 		me.page = canvas_group;
 
@@ -218,6 +247,21 @@ var canvas_ND_2_test = {
 
 		return m;
 	},
+	getKeys: func() {
+		return ["Test_white","Test_text"];
+	},
+	update: func() {
+		if (getprop("/instrumentation/du/du5-test-time") + 1 >= elapsedtime and getprop("/modes/cpt-du-xfr") != 1) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else if (getprop("/instrumentation/du/du6-test-time") + 1 >= elapsedtime and getprop("/modes/cpt-du-xfr") == 1) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else {
+			me["Test_white"].hide();
+			me["Test_text"].show();
+		}
+	},
 };
 
 setlistener("sim/signals/fdm-initialized", func {
diff --git a/Models/Instruments/PFD/PFD.nas b/Models/Instruments/PFD/PFD.nas
index ce51e7dd..4e162e55 100644
--- a/Models/Instruments/PFD/PFD.nas
+++ b/Models/Instruments/PFD/PFD.nas
@@ -87,25 +87,20 @@ var canvas_PFD_base = {
 		var svg_keys = me.getKeys();
 		foreach(var key; svg_keys) {
 			me[key] = canvas_group.getElementById(key);
-			var svg_keys = me.getKeys();
 
-			foreach (var key; svg_keys) {
-				me[key] = canvas_group.getElementById(key);
+			var clip_el = canvas_group.getElementById(key ~ "_clip");
+			if (clip_el != nil) {
+				clip_el.setVisible(0);
+				var tran_rect = clip_el.getTransformedBounds();
 
-				var clip_el = canvas_group.getElementById(key ~ "_clip");
-				if (clip_el != nil) {
-					clip_el.setVisible(0);
-					var tran_rect = clip_el.getTransformedBounds();
-
-					var clip_rect = sprintf("rect(%d,%d, %d,%d)", 
-					tran_rect[1], # 0 ys
-					tran_rect[2], # 1 xe
-					tran_rect[3], # 2 ye
-					tran_rect[0]); #3 xs
-					#   coordinates are top,right,bottom,left (ys, xe, ye, xs) ref: l621 of simgear/canvas/CanvasElement.cxx
-					me[key].set("clip", clip_rect);
-					me[key].set("clip-frame", canvas.Element.PARENT);
-				}
+				var clip_rect = sprintf("rect(%d,%d, %d,%d)", 
+				tran_rect[1], # 0 ys
+				tran_rect[2], # 1 xe
+				tran_rect[3], # 2 ye
+				tran_rect[0]); #3 xs
+				#   coordinates are top,right,bottom,left (ys, xe, ye, xs) ref: l621 of simgear/canvas/CanvasElement.cxx
+				me[key].set("clip", clip_rect);
+				me[key].set("clip-frame", canvas.Element.PARENT);
 			}
 		}
 		
@@ -165,9 +160,11 @@ var canvas_PFD_base = {
 			if (getprop("/instrumentation/du/du1-test-time") + getprop("/instrumentation/du/du1-test-amount") >= elapsedtime and getprop("/modes/cpt-du-xfr") != 1) {
 				PFD_1.page.hide();
 				PFD_1_test.page.show();
+				PFD_1_test.update();
 			} else if (getprop("/instrumentation/du/du2-test-time") + getprop("/instrumentation/du/du2-test-amount") >= elapsedtime and getprop("/modes/cpt-du-xfr") == 1) {
 				PFD_1.page.hide();
 				PFD_1_test.page.show();
+				PFD_1_test.update();
 			} else {
 				PFD_1_test.page.hide();
 				PFD_1.page.show();
@@ -181,9 +178,11 @@ var canvas_PFD_base = {
 			if (getprop("/instrumentation/du/du6-test-time") + getprop("/instrumentation/du/du6-test-amount") >= elapsedtime and getprop("/modes/fo-du-xfr") != 1) {
 				PFD_2.page.hide();
 				PFD_2_test.page.show();
+				PFD_2_test.update();
 			} else if (getprop("/instrumentation/du/du5-test-time") + getprop("/instrumentation/du/du5-test-amount") >= elapsedtime and getprop("/modes/fo-du-xfr") == 1) {
 				PFD_2.page.hide();
 				PFD_2_test.page.show();
+				PFD_2_test.update();
 			} else {
 				PFD_2_test.page.hide();
 				PFD_2.page.show();
@@ -1001,6 +1000,11 @@ var canvas_PFD_1_test = {
 		};
 
 		canvas.parsesvg(canvas_group, file, {"font-mapper": font_mapper});
+		
+		var svg_keys = me.getKeys();
+		foreach(var key; svg_keys) {
+			me[key] = canvas_group.getElementById(key);
+		}
 
 		me.page = canvas_group;
 
@@ -1012,6 +1016,21 @@ var canvas_PFD_1_test = {
 
 		return m;
 	},
+	getKeys: func() {
+		return ["Test_white","Test_text"];
+	},
+	update: func() {
+		if (getprop("/instrumentation/du/du1-test-time") + 1 >= elapsedtime and getprop("/modes/cpt-du-xfr") != 1) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else if (getprop("/instrumentation/du/du2-test-time") + 1 >= elapsedtime and getprop("/modes/cpt-du-xfr") == 1) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else {
+			me["Test_white"].hide();
+			me["Test_text"].show();
+		}
+	},
 };
 
 var canvas_PFD_2_test = {
@@ -1021,6 +1040,11 @@ var canvas_PFD_2_test = {
 		};
 
 		canvas.parsesvg(canvas_group, file, {"font-mapper": font_mapper});
+		
+		var svg_keys = me.getKeys();
+		foreach(var key; svg_keys) {
+			me[key] = canvas_group.getElementById(key);
+		}
 
 		me.page = canvas_group;
 
@@ -1032,6 +1056,21 @@ var canvas_PFD_2_test = {
 
 		return m;
 	},
+	getKeys: func() {
+		return ["Test_white","Test_text"];
+	},
+	update: func() {
+		if (getprop("/instrumentation/du/du6-test-time") + 1 >= elapsedtime and getprop("/modes/fo-du-xfr") != 1) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else if (getprop("/instrumentation/du/du5-test-time") + 1 >= elapsedtime and getprop("/modes/fo-du-xfr") == 1) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else {
+			me["Test_white"].hide();
+			me["Test_text"].show();
+		}
+	},
 };
 
 setlistener("sim/signals/fdm-initialized", func {
diff --git a/Models/Instruments/Upper-ECAM/Upper-ECAM.nas b/Models/Instruments/Upper-ECAM/Upper-ECAM.nas
index 8282f3a6..f5fb3c71 100644
--- a/Models/Instruments/Upper-ECAM/Upper-ECAM.nas
+++ b/Models/Instruments/Upper-ECAM/Upper-ECAM.nas
@@ -69,6 +69,7 @@ var canvas_upperECAM_base = {
 				upperECAM_cfm_eis2.page.hide();
 				upperECAM_iae_eis2.page.hide();
 				upperECAM_test.page.show();
+				upperECAM_test.update();
 			} else {
 				upperECAM_test.page.hide();
 				if (getprop("/options/eng") == "CFM") {
@@ -816,6 +817,11 @@ var canvas_upperECAM_test = {
 		};
 
 		canvas.parsesvg(canvas_group, file, {"font-mapper": font_mapper});
+		
+		var svg_keys = me.getKeys();
+		foreach(var key; svg_keys) {
+			me[key] = canvas_group.getElementById(key);
+		}
 
 		me.page = canvas_group;
 
@@ -827,6 +833,18 @@ var canvas_upperECAM_test = {
 
 		return m;
 	},
+	getKeys: func() {
+		return ["Test_white","Test_text"];
+	},
+	update: func() {
+		if (getprop("/instrumentation/du/du3-test-time") + 1 >= elapsedtime) {
+			me["Test_white"].show();
+			me["Test_text"].hide();
+		} else {
+			me["Test_white"].hide();
+			me["Test_text"].show();
+		}
+	},
 };
 
 setlistener("sim/signals/fdm-initialized", func {