debugging noise reduced

etc/ser.cfg

@@ -6,7 +6,7 @@
 
 # ----------- global configuration parameters ------------------------
 
-debug=4          # debug level (cmd line: -dddddddddd)
+debug=3          # debug level (cmd line: -dddddddddd)
 fork=yes
 log_stderror=no	# (cmd line: -E)
 check_via=no	# (cmd. line: -v)