--- a/bluetooth.rst	Sat Jun 06 19:20:54 2009 +0300
+++ b/bluetooth.rst	Sat Jun 06 19:57:10 2009 +0300
@@ -62,9 +62,25 @@
 ** How to set bluetooth dongle "visible"?
 
   $ hciconfig -a | grep hci.:
-hci0:	Type: USB
+hci0: Type: USB
   $ sudo hciconfig hci0 piscan
 
+** How to determine bluetooth dongle is "visible"?
+
+Run hciconfig -a and see for PSCAN and ISCAN keyword:
+
+  $ hciconfig -a
+hci0: Type: USB
+...
+    UP RUNNING PSCAN ISCAN
+...
+
+then try from another host:
+
+  $ hcitool scan
+
+or use another device such as phone to search.
+
 ** What version of Bluetooth support local device?
 
   $ sudo hciconfig -a