33
YT-3400/3450 series
7.4.2
AUTO2 Calibration (AUTO2)
AUTO2 changes all of the parameters. It is recommended to perform AUTO2 when the
positioner has been installed on the valve for the first time or the positioner has been
reinstalled after dissemble from an actuator.
7.4.3
AUTO HF Calibration (AUTO HF)
AUTOHF calibration is same calibration process as to AUTO2, but AUTO HF is used when
the valve has high friction level.
7.5
Manual Mode (MANUAL)
Manual mode is used to maneuver valve stem manually. During
“MANUAL”, the positioner
bypasses supply air to the actuator. The movement of the stroke does not affect the
positioner
’s saved data of a valve.
⇨
<ENTER>
6 seconds
⇨
<ENTER>
⇨
<DOWN>
⇨
<ENTER>
⇨
<ENTER>
6 seconds
⇨
<ENTER>
⇨
<DOWN>
2 times
⇨
<ENTER>
⇨
<ENTER>
6 seconds
⇨
<DOWN>
⇨
<ENTER>
⇨
<UP>/<DOWN>
⇨
<ESC>