diff --git a/oscar/SleepLib/day.cpp b/oscar/SleepLib/day.cpp
index 526b654b..0b0a2f59 100644
--- a/oscar/SleepLib/day.cpp
+++ b/oscar/SleepLib/day.cpp
@@ -1492,7 +1492,16 @@ QString Day::getPressureRelief()
         if (pr_level_chan != NoChannel && settingExists(pr_level_chan)) {
             pr_level = qRound(settings_wavg(pr_level_chan));
         }
-        if (pr_level >= 0) pr_str += QString(" %1").arg(schema::channel[pr_level_chan].option(pr_level));
+
+        if (pr_level >= 0) {
+            // TODO: Ideally the formatting of LOOKUP datatypes should be done in only one place.
+            schema::Channel & chan = schema::channel[pr_level_chan];
+            QString level = chan.option(pr_level);
+            if (level.isEmpty()) {
+                level = QString().number(pr_level) + " " + chan.units();;
+            }
+            pr_str += QString(" %1").arg(level);
+        }
     } else pr_str = STR_TR_None;
     return pr_str;
 }
diff --git a/oscar/SleepLib/loader_plugins/resmed_loader.cpp b/oscar/SleepLib/loader_plugins/resmed_loader.cpp
index a72e17eb..90bec3f4 100644
--- a/oscar/SleepLib/loader_plugins/resmed_loader.cpp
+++ b/oscar/SleepLib/loader_plugins/resmed_loader.cpp
@@ -110,11 +110,6 @@ void ResmedLoader::initChannels()
     channel.add(GRP_CPAP, chan = new Channel(RMS9_EPRLevel = 0xe202, SETTING,  MT_CPAP,  SESSION,
         "EPRLevel", QObject::tr("EPR Level"), QObject::tr("Exhale Pressure Relief Level"), QObject::tr("EPR Level"), STR_UNIT_CMH2O, LOOKUP, Qt::blue));
 
-    chan->addOption(0, QObject::tr("0cmH20"));
-    chan->addOption(1, QObject::tr("1cmH2O"));
-    chan->addOption(2, QObject::tr("2cmH2O"));
-    chan->addOption(3, QObject::tr("3cmH2O"));
-
 //    RMS9_SmartStart, RMS9_HumidStatus, RMS9_HumidLevel,
 //             RMS9_PtAccess, RMS9_Mask, RMS9_ABFilter, RMS9_ClimateControl, RMS9_TubeType,
 //             RMS9_Temp, RMS9_TempEnable;