special menu 1 – full scale compensationfor full scale compensation, which is necessary if the indicated value for full scale differs from the real full scalevalue in the application; a compensation is only possible with a respective reference source, if the deviation of themeasured value is within defined limits; set "0238"; confirm with both buttons; "FS S" will appear in the display; nowit is necessary to place the device under pressure (the pressure must correspond to the end point of the pressuremeasuring range); push both buttons, to store the signal being emitted from the pressure switch as full scale; in thedisplay the set end point will appear although the full scale sensor signal is displacedthe analogue output signal (for devices with analogue output) is not affected by this change