diff --git a/resources/qml/MainPage/CenterContent.qml b/resources/qml/MainPage/CenterContent.qml
index aef3639..583b65f 100644
--- a/resources/qml/MainPage/CenterContent.qml
+++ b/resources/qml/MainPage/CenterContent.qml
@@ -46,7 +46,7 @@ Item {
 
             property ScStwSetting setting: speedBackend.settings.getSetting(ScStwSettings.CompetitionModeSetting, ScStwSettings.KeyLevel)
             property double size
-            startProgress: speedBackend.race.nextStartActionDetails[ScStwRace.NextStartActionDelayProgress]
+            startProgress: speedBackend.race.currentStartDelay[ScStwRace.CurrentStartStateDelayProgress]
 
             /*Connections {
                 target: mainActionButton.setting
diff --git a/resources/qml/components/MainActionButton.qml b/resources/qml/components/MainActionButton.qml
index 7ecff1c..a31a997 100644
--- a/resources/qml/components/MainActionButton.qml
+++ b/resources/qml/components/MainActionButton.qml
@@ -15,10 +15,6 @@ DelayButton {
     property double startProgress
     delay: progressControlActivated ? 2000:0
 
-    onStartProgressChanged: {
-        console.log("start progress: " + startProgress)
-    }
-
     Text {
         id: labelText
         text: control.text
@@ -87,7 +83,7 @@ DelayButton {
                     if(showHoldProgress)
                         progress = control.progress
                     else
-                        progress = control.startProgress <= 0 ? 0:1-control.startProgress
+                        progress = control.startProgress < 0 ? 0:1-control.startProgress
 
 
                     var ctx = getContext("2d")
diff --git a/shared-libraries b/shared-libraries
index 78b0b88..a247a6c 160000
--- a/shared-libraries
+++ b/shared-libraries
@@ -1 +1 @@
-Subproject commit 78b0b883d55aae9c7efeb59aa2fef9eb5cfe0c7d
+Subproject commit a247a6c3054545ec69c4eff14b5134f4c084ec31
diff --git a/sources/scstwappbackend.cpp b/sources/scstwappbackend.cpp
index 8c12d58..ba5886b 100644
--- a/sources/scstwappbackend.cpp
+++ b/sources/scstwappbackend.cpp
@@ -74,7 +74,7 @@ void ScStwAppBackend::refreshTimerText() {
 
     // --- refresh next start action delay progress ---
     if(this->getRace()->getState() == ScStwRace::WAITING || this->getRace()->getState() == ScStwRace::PREPAIRING) {
-        emit this->getRace()->nextStartActionDetailsChanged();
+        emit this->getRace()->currentStartDelayChanged();
     }
 
     this->timerTextRefreshTimer->start();
@@ -189,21 +189,21 @@ int ScStwAppBackend::getMode() {
 }
 
 void ScStwAppBackend::reloadRaceSettings() {
-    this->getRace()->writeStartActionSetting(
-                ScStwRace::AtYourMarks,
+    this->getRace()->writeStartSoundSetting(
+                ScStwSoundPlayer::AtYourMarks,
                 this->appSettings->readSetting(ScStwSettings::BaseStationSetting::AtYourMarksSoundEnableSetting).toBool(),
                 this->appSettings->readSetting(ScStwSettings::BaseStationSetting::AtYourMarksSoundDelaySetting).toDouble()
                 );
 
-    this->getRace()->writeStartActionSetting(
-                ScStwRace::Ready,
+    this->getRace()->writeStartSoundSetting(
+                ScStwSoundPlayer::Ready,
                 this->appSettings->readSetting(ScStwSettings::BaseStationSetting::ReadySoundEnableSetting).toBool(),
                 this->appSettings->readSetting(ScStwSettings::BaseStationSetting::ReadySoundDelaySetting).toDouble()
                 );
 
     this->getRace()->setSoundVolume(1);
 
-    this->getRace()->setAllowAutomaticTimerDisable(true);
+    this->getRace()->setCompetitionMode(false);
 
 }