Index: firmware/App/HDCommon.h
===================================================================
diff -u -recfd40350a92a375e09da44a7875034e519f4d04 -ra111a84009c08c53cc058077ccb8fee95f00436d
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision ecfd40350a92a375e09da44a7875034e519f4d04)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision a111a84009c08c53cc058077ccb8fee95f00436d)
@@ -77,6 +77,7 @@
 //    #define SKIP_CARTRIDGE_REMOVAL          1           // Skip cartridge removal check
     #define SKIP_EMPTY_RES_CHECK            1           // Skip reservoir empty check
     #define DISABLE_FPGA_COUNTER_CHECKS     1           // Disable alarms associated with FPGA read/error counters
+//    #define ALLOW_1_MIN_TREATMENT_DURATION  1           // Allow user to change treatment duration to as low as 1 minute
 
 
     #include <stdio.h>