diff --git a/devices/apertureX.properties b/devices/apertureX.properties
index 92b6f3a..447c02c 100644
--- a/devices/apertureX.properties
+++ b/devices/apertureX.properties
@@ -1,15 +1,15 @@
-#Fri Jul 17 15:01:57 CEST 2015
+#Fri Jul 17 15:08:35 CEST 2015
 accessType=ReadWrite
 defaultSpeed=1.0
 estbilizationDelay=0
 hasEnable=false
 homingType=None
-maxSpeed=NaN
+maxSpeed=1.0
 maxValue=3.7560000000000002
 minSpeed=0.1
 minValue=-1.244
 offset=0.0
-precision=5
+precision=4
 resolution=1.0E-4
 scale=1.0
 unit=mm