diff --git a/src/demo_client.rb b/src/demo_client.rb
index b88e4cd..1659720 100755
--- a/src/demo_client.rb
+++ b/src/demo_client.rb
@@ -39,7 +39,7 @@ require 'info_client'
 # bluetooth rfcomm serial port
 @bt = nil
 # the verbosity (from common)
-$verbosity = 1
+$verbosity = 0
 
 #=============
 #== methods ==