Masoneilan SVi1000 Positioner Instruction Manual =| 55© 2017 Baker Hughes, a GE company, LLC. All rights reserved.Auto TuneAuto Tune takes three to ten minutes and strokes the valve in large and small steps to set thePID positioning parameters for best response to an input signal change.This procedure overrides any previous configuration done using presets.To auto tune the SVi1000:1. Set the Configuration Selector Switch to the auto tuning parameter (Figure 29):