useCDAct->setCheckable(true);
connect(useCDAct, SIGNAL(triggered()), this, SLOT(ToggleCDUsage()));
useCDAct->setCheckable(true);
connect(useCDAct, SIGNAL(triggered()), this, SLOT(ToggleCDUsage()));
frameAdvanceAct->setShortcut(QKeySequence(tr("F7")));
connect(frameAdvanceAct, SIGNAL(triggered()), this, SLOT(FrameAdvance()));
frameAdvanceAct->setShortcut(QKeySequence(tr("F7")));
connect(frameAdvanceAct, SIGNAL(triggered()), this, SLOT(FrameAdvance()));