diff --git a/overlay/etc/skel/.fldigi/fldigi_def.xml b/overlay/etc/skel/.fldigi/fldigi_def.xml
index ac8fd99..e2cd3d4 100644
--- a/overlay/etc/skel/.fldigi/fldigi_def.xml
+++ b/overlay/etc/skel/.fldigi/fldigi_def.xml
@@ -1277,7 +1277,7 @@ Video ID text for SENDTEXTID (keep short!) -->
 
 <!-- type: double; default: 0.0
 Single tone at center of modem BW, carrier detect for amplifiers -->
-<PRETONE>0</PRETONE>
+<PRETONE>2</PRETONE>
 
 <!-- type: bool; default: false
 Decode received DTMF tones -->
diff --git a/src/et-portaudio/gen-fldigi-cfg.sh b/src/et-portaudio/gen-fldigi-cfg.sh
index b345b96..cc811a8 100755
--- a/src/et-portaudio/gen-fldigi-cfg.sh
+++ b/src/et-portaudio/gen-fldigi-cfg.sh
@@ -121,3 +121,11 @@ sed -i "s|^<TRANSMITRSID>.*|<TRANSMITRSID>1</TRANSMITRSID>|" ${FLDIGI_CONF_FILE}
 et-log "Updating MT63 modem configuration..."
 
 sed -i "s|^<MT63INTEGRATION>.*|<MT63INTEGRATION>1</MT63INTEGRATION>|" ${FLDIGI_CONF_FILE}
+
+
+########################
+# Repeater configuration
+########################
+et-log "Updating settings for linked repeater systems..."
+# Key up for 2 seconds before transmitting tone. Needed for linked repeater systems.
+sed -i "s|^<PRETONE>.*|<PRETONE>2</PRETONE>|" ${FLDIGI_CONF_FILE}