diff --git a/oscar/SleepLib/loader_plugins/prs1_parser_asv.cpp b/oscar/SleepLib/loader_plugins/prs1_parser_asv.cpp
index a5fb6526..f13ce76c 100644
--- a/oscar/SleepLib/loader_plugins/prs1_parser_asv.cpp
+++ b/oscar/SleepLib/loader_plugins/prs1_parser_asv.cpp
@@ -1260,7 +1260,7 @@ bool PRS1DataChunk::ParseSettingsF5V3(const unsigned char* data, int size)
                     breath_rate = data[pos+1];
                     timed_inspiration = data[pos+2];
                     if (breath_rate < 4 || breath_rate > 16) UNEXPECTED_VALUE(breath_rate, "4-16");
-                    if (timed_inspiration < 12 || timed_inspiration > 24) UNEXPECTED_VALUE(timed_inspiration, "12-24");
+                    if (timed_inspiration < 12 || timed_inspiration > 25) UNEXPECTED_VALUE(timed_inspiration, "12-25");
                     this->AddEvent(new PRS1ParsedSettingEvent(PRS1_SETTING_BACKUP_BREATH_MODE, PRS1Backup_Fixed));
                     this->AddEvent(new PRS1ParsedSettingEvent(PRS1_SETTING_BACKUP_BREATH_RATE, breath_rate));  // BPM
                     this->AddEvent(new PRS1ScaledSettingEvent(PRS1_SETTING_BACKUP_TIMED_INSPIRATION, timed_inspiration, 0.1));
diff --git a/oscar/SleepLib/loader_plugins/prs1_parser_xpap.cpp b/oscar/SleepLib/loader_plugins/prs1_parser_xpap.cpp
index c5643505..9f2e9b6f 100644
--- a/oscar/SleepLib/loader_plugins/prs1_parser_xpap.cpp
+++ b/oscar/SleepLib/loader_plugins/prs1_parser_xpap.cpp
@@ -1100,10 +1100,12 @@ bool PRS1DataChunk::ParseSettingsF0V45(const unsigned char* data, int size)
     // TODO: Where is altitude compensation set? We've seen it on 261CA.
 
     CHECK_VALUE(data[0x10], 0);
+    int autotrial_duration = data[0x11];
     if (cpapmode == PRS1_MODE_AUTOTRIAL) {
-        CHECK_VALUE(data[0x11], 7);  // 7-day duration?
+        CHECK_VALUES(autotrial_duration, 7, 30);
+        this->AddEvent(new PRS1ParsedSettingEvent(PRS1_SETTING_AUTO_TRIAL, autotrial_duration));
     } else {
-        CHECK_VALUE(data[0x11], 0);
+        CHECK_VALUE(autotrial_duration, 0);
     }
 
     return true;