diff --git a/devices/img.properties b/devices/img.properties
index 75da37c..85e28b8 100644
--- a/devices/img.properties
+++ b/devices/img.properties
@@ -1,8 +1,8 @@
-#Wed Sep 14 15:29:35 CEST 2016
+#Wed Sep 14 15:30:28 CEST 2016
 colormap=Temperature
-colormapAutomatic=true
-colormapMax=55.455
-colormapMin=0.0
+colormapAutomatic=false
+colormapMax=NaN
+colormapMin=NaN
 flipHorizontally=false
 flipVertically=false
 grayscale=false