6. Tag

   Displays and writes Tag No.
   
   Tap the tag to modify its value. Tap the
   enter key to confirm the value, and then
   tap [Send] to transmit the data to the
   valve positioner. If you have not yet
   tapped [Send], and want to recall the
   previous tag, tap [Read].
   
   Up to eight characters may be entered.
   Valid characters are A-Z, 0-9, space,
   period, hyphen, and slash. Lowercase a-
   z will be capitalized to A-Z.