diff --git a/mainwindow.cpp b/mainwindow.cpp
index fba7153d1..7d583f10e 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1771,7 +1771,7 @@ void MainWindow::on_EraseButton_clicked()                          //Erase
 {
   qint64 ms=QDateTime::currentMSecsSinceEpoch();
   ui->decodedTextBrowser2->clear();
-  if(m_mode.mid(0,4)=="WSPR") {
+  if(m_mode.mid(0,4)=="WSPR" or m_mode=="Echo") {
     ui->decodedTextBrowser->clear();
   } else {
     m_QSOText.clear();
diff --git a/soundout.cpp b/soundout.cpp
index 9e5843e91..c0ac8ed61 100644
--- a/soundout.cpp
+++ b/soundout.cpp
@@ -146,7 +146,7 @@ qreal SoundOutput::attenuation () const
 void SoundOutput::setAttenuation (qreal a)
 {
   Q_ASSERT (0. <= a && a <= 999.);
-  m_volume = qPow (10., -a / 10.);
+  m_volume = qPow(10.0, -a/20.0);
   //  qDebug () << "SoundOut: attn = " << a << ", vol = " << m_volume;
   if (m_stream)
     {