diff --git a/sdrgui/limerfegui/limerfeusbdialog.cpp b/sdrgui/limerfegui/limerfeusbdialog.cpp
index 49eea9e08..88f4cc53a 100644
--- a/sdrgui/limerfegui/limerfeusbdialog.cpp
+++ b/sdrgui/limerfegui/limerfeusbdialog.cpp
@@ -855,6 +855,18 @@ void LimeRFEUSBDialog::on_rxTxToggle_clicked()
     }
 }
 
+void LimeRFEUSBDialog::on_attenuation_currentIndexChanged(int index)
+{
+    m_settings.m_attenuationFactor = index;
+    highlightApplyButton(true);
+}
+
+void LimeRFEUSBDialog::on_amFmNotchFilter_clicked()
+{
+    m_settings.m_amfmNotch = ui->amFmNotchFilter->isChecked();
+    highlightApplyButton(true);
+}
+
 void LimeRFEUSBDialog::on_apply_clicked()
 {
     ui->statusText->clear();
diff --git a/sdrgui/limerfegui/limerfeusbdialog.h b/sdrgui/limerfegui/limerfeusbdialog.h
index 673fb24a2..7fc32c8d0 100644
--- a/sdrgui/limerfegui/limerfeusbdialog.h
+++ b/sdrgui/limerfegui/limerfeusbdialog.h
@@ -86,6 +86,8 @@ private slots:
     void on_rxChannelGroup_currentIndexChanged(int index);
     void on_rxChannel_currentIndexChanged(int index);
     void on_rxPort_currentIndexChanged(int index);
+    void on_attenuation_currentIndexChanged(int index);
+    void on_amFmNotchFilter_clicked();
     void on_txFollowsRx_clicked();
     void on_txChannelGroup_currentIndexChanged(int index);
     void on_txChannel_currentIndexChanged(int index);