Index: dialin/common/prs_defs.py
===================================================================
diff -u -rd3a22e97fad0b715b1e9fba138236334ae7dbb6d -r261a2775ee96492502e969b458468b74f3406dad
--- dialin/common/prs_defs.py	(.../prs_defs.py)	(revision d3a22e97fad0b715b1e9fba138236334ae7dbb6d)
+++ dialin/common/prs_defs.py	(.../prs_defs.py)	(revision 261a2775ee96492502e969b458468b74f3406dad)
@@ -16,25 +16,11 @@
 class Ranges:
     PRESSURE_STEPS = 10
 
-    ARTERIAL_PRESSURE_MINIMUM = -400
-    ARTERIAL_PRESSURE_MAXIMUM = +600
-    ARTERIAL_PRESSURE_LOW_MIN = -300
-    ARTERIAL_PRESSURE_LOW_DEF = -300
-    ARTERIAL_PRESSURE_LOW_MAX = +200
-    ARTERIAL_PRESSURE_HIGH_MIN = -300
-    ARTERIAL_PRESSURE_HIGH_DEF = +100
-    ARTERIAL_PRESSURE_HIGH_MAX = +200
+    ARTERIAL_PRESSURE_LIMIT_MAX_MMHG = 100
+    ARTERIAL_PRESSURE_LIMIT_MIN_MMHG = -300
+    VENOUS_PRESSURE_LIMIT_MAX_MMHG = 400
+    VENOUS_PRESSURE_LIMIT_MIN_MMHG = 20
 
-    VENOUS_PRESSURE_MINIMUM = -100
-    VENOUS_PRESSURE_MAXIMUM = +700
-    VENOUS_PRESSURE_LOW_MIN = -100
-    VENOUS_PRESSURE_LOW_DEF = -100
-    VENOUS_PRESSURE_LOW_MAX = +600
-    VENOUS_PRESSURE_HIGH_MIN = +100
-    VENOUS_PRESSURE_HIGH_DEF = +400
-    VENOUS_PRESSURE_HIGH_MAX = +600
-
-
 class AlarmPriority:
     ALARM_HIGH = 3
     ALARM_MED = 2