![](/images/new-backgrounds/1125322/12532251x1.webp)
Setup 3: The upper display is set to [P1] mode and the middle is set to [VOLTS] mode, lower is off.
Setup 4: The upper display is set to [P1], the lower display is set to [EXT].
Setup 5: The upper display is set to [P1], and the lower display is set to mA Loop.
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