Index: dialin/hd/syringe_pump.py
===================================================================
diff -u -racd09d02879e8add4cf7f694f5db8e423a76c341 -r56d0b388da7074479ed7e2c5adcd55dd1e03c2f3
--- dialin/hd/syringe_pump.py	(.../syringe_pump.py)	(revision acd09d02879e8add4cf7f694f5db8e423a76c341)
+++ dialin/hd/syringe_pump.py	(.../syringe_pump.py)	(revision 56d0b388da7074479ed7e2c5adcd55dd1e03c2f3)
@@ -252,6 +252,12 @@
             Must be logged into HD.
             Syringe pump must be in appropriate state for the given operation.
             Given rate/volume (when applicable) must be within valid range for the given operation.
+            The following Treatment parameters should be set before executing operations 3,4 & 5:
+                - Treatment Duration
+                - Heparin Pre-Stop Time
+                - Rate if volume is being sent
+                - Volume if rate is being sent
+            Failure to set these treatment parameters may result in faulting the HD device.
 
         @param operation: unsigned int - ID of operation being requested
         @param rate: float - target rate for given operation (if applicable)