diff --git a/sleepyhead/SleepLib/loader_plugins/cms50_loader.cpp b/sleepyhead/SleepLib/loader_plugins/cms50_loader.cpp
index 12fcf8f3..8bff12a4 100644
--- a/sleepyhead/SleepLib/loader_plugins/cms50_loader.cpp
+++ b/sleepyhead/SleepLib/loader_plugins/cms50_loader.cpp
@@ -298,8 +298,6 @@ int CMS50Loader::doImportMode()
                 emit importComplete(this);
                 resetTimer.singleShot(2000, this, SLOT(shutdownPorts()));
                 return available;
-//                imp_callbacks = cb_reset = 0;
-//                return available;
             }
         }
     }
diff --git a/sleepyhead/SleepLib/loader_plugins/prs1_loader.cpp b/sleepyhead/SleepLib/loader_plugins/prs1_loader.cpp
index b1ca8403..8506e4a2 100644
--- a/sleepyhead/SleepLib/loader_plugins/prs1_loader.cpp
+++ b/sleepyhead/SleepLib/loader_plugins/prs1_loader.cpp
@@ -1204,6 +1204,10 @@ bool PRS1SessionData::ParseSummary()
     // This is a time value for ASV stuff
     if (summary->family == 5) {
         offset = 4; // non zero adds 4 extra fields..
+
+        if (summary->familyVersion == 0) {
+            duration = data[0x1B] | data[0x1C] << 8;
+        }
     } else if (summary->family == 0) {
 
         if (summary->familyVersion == 2) {
@@ -1214,6 +1218,11 @@ bool PRS1SessionData::ParseSummary()
         }
 
     }
+    if (!event) {
+        session->set_last(qint64(summary->timestamp + duration) * 1000L);
+        session->settings[CPAP_SummaryOnly] = true;
+    }
+
     // Minutes. Convert to seconds/hours here?
     session->settings[CPAP_RampTime] = (int)data[offset + 0x06];
     session->settings[CPAP_RampPressure] = (EventDataType)data[offset + 0x07] / 10.0;
diff --git a/sleepyhead/daily.cpp b/sleepyhead/daily.cpp
index 36f9ac3b..d259f77c 100644
--- a/sleepyhead/daily.cpp
+++ b/sleepyhead/daily.cpp
@@ -1424,8 +1424,15 @@ void Daily::Load(QDate date)
                     } else {
                         html += "<tr><td align=center>Unable to display Pie Chart on this system</td></tr>\n";
                     }
-                } else {
-                    html += "<tr><td align=center><img src=\"qrc:/docs/0.0.gif\"></td></tr>\n";
+                } else if (cpap->channelHasData(CPAP_Obstructive)
+                           || cpap->channelHasData(CPAP_Hypopnea)
+                           || cpap->channelHasData(CPAP_ClearAirway)
+                           || cpap->channelHasData(CPAP_RERA)
+                           || cpap->channelHasData(CPAP_Apnea)
+                           || cpap->channelHasData(CPAP_FlowLimit)
+                           || cpap->channelHasData(CPAP_SensAwake)
+                           ) {
+                        html += "<tr><td align=center><img src=\"qrc:/docs/0.0.gif\"></td></tr>\n";
                 }
             }