Index: tools/flash-ns5m
===================================================================
--- tools/flash-ns5m	(revision 12356)
+++ tools/flash-ns5m	(revision 12357)
@@ -52,3 +52,7 @@
 sudo tcpdump -nn -v -i $IFACE -s 1500 -c 1 'ether[18:4] == 0x000c2000'
 
-`
+echo "All done, press CTRL-C to quit"
+while true; do
+  echo -e "\a"
+  sleep 1
+done