diff --git a/devtimer.py b/devtimer.py
index cc8a38b..601b84b 100755
--- a/devtimer.py
+++ b/devtimer.py
@@ -50,7 +50,6 @@
            display can handle. So ... the total compensation cannot
            reduce the virtual second to less than about 0.300 to be on
            the safe side.
-
 '''
 
 compensate = (
@@ -66,6 +65,11 @@
     print("Beep!")
 
 
+# Get currently selected media/developer profile
+
+def get_profile():
+    return 0
+
 # Return the current temperature in degrees F
 
 def get_temp():
@@ -96,10 +100,13 @@
 
 if __name__ == "__main__":
 
+    # Setup the hardware
+
     wiringPiSetupGpio()
     display0 = TM1637(CLK0, DIO0, BRIGHTNESS0)
 
-    compensation_profile = 0
+    # Start timing, using the selected profile and measured temperature
+
     elapsed_time = 0
     while True:
 
@@ -112,7 +119,7 @@
             last = time()
 
         update_thread = Thread(None, show_elapsed, None, (display0, elapsed_time))
-        sleep(1.000 + ((NORMAL_TEMP-get_temp()) * compensate[0]) - CALIBRATION_OFFSET)
+        sleep(1.000 + ((NORMAL_TEMP-get_temp()) * compensate[get_profile()]) - CALIBRATION_OFFSET)
         elapsed_time += 1
         elapsed_time %= 6000
         update_thread = Thread(None, show_elapsed, None, (display0, elapsed_time))