Index: firmware/App/HDCommon.h
===================================================================
diff -u -r687dc2717d2f6b128b73526791f08d7176e447e8 -rdc951a5c309a10b4087162eac591ea4ebb66f329
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 687dc2717d2f6b128b73526791f08d7176e447e8)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision dc951a5c309a10b4087162eac591ea4ebb66f329)
@@ -59,6 +59,7 @@
     #define DISABLE_PRESSURE_CHECKS         1           // Do not error on HD pressure checks
     #define DISABLE_ARTERIAL_PRESSURE_CHECK 1           // Do not error on arterial pressure out of range
     #define DISABLE_VENOUS_PRESSURE_CHECK   1           // Do not error on venous pressure out of range
+//    #define USE_PBO_AS_PBA                  1           // PBo readings used for PBA, PBo replaced with fixed pressure (100 mmHg)
 
 //    #define DISABLE_UF_ALARMS               1           // Do not error on HD ultrafiltration checks
     #define DISABLE_DIALYSATE_TEMP_CHECK    1           // Disable dialysate temperature check