Changed power input range to 400 - 1200 W

Microwave.Classes/Boundary/PowerTube.cs

@@ -14,11 +14,11 @@ namespace Microwave.Classes.Boundary
             myOutput = output;
         }
 
-        public void TurnOn(int power)
+        public void TurnOn(int power) //Power bestemt her. Skal ændres.
         {
-            if (power < 1 || 700 < power)
+            if (power < 400 || 1200 < power)
             {
-                throw new ArgumentOutOfRangeException("power", power, "Must be between 1 and 700 (incl.)");
+                throw new ArgumentOutOfRangeException("power", power, "Must be between 400 and 1200 (incl.)");
             }
 
             if (IsOn)