bin/devsniff in device_input-0.1.0.1 vs bin/devsniff in device_input-0.1.1.1

@@ -11,10 +11,12 @@
 end
 
 case mode
 when 'normal'
   mode = 'to_s'
-when 'pretty', 'raw', 'bytes'
+when 'bytes'     # legacy
+  mode = 'hex'
+when 'pretty', 'raw', 'hex'
   # ok
 else
   raise "unsupported mode: #{mode}"
 end