KERN PFB 120-3A Operating Manual page 17

Procedure:
 Switch on weighing scales and press and hold the MODE key during the self-test
until "F1 Unt" is shown on the screen.
 Press the MODE key repeatedly until "tECH" is shown on the screen.
 Confirm with ZERO button.
 Press
,
 Again press the ZERO key until "Pin" reappears.
 Press
,
shown. Ensure that there are no objects on the weighing pan.
An audio sound indicates the end of the stability control and "LoAd 1" will be
shown.
 Place the first adjustment weight. An audio sound will follow after stability control
and „LoAd 2" will be shown. Take away adjustment weight.
 Place the second adjustment weight. An audio sound will follow after stability
control and „LoAd 3" will be shown. Take away adjustment weight.
PFB-BA-e-1741
and successively, „P1 Lin" appears
and one after the other, whereupon "LoAd 0" will be

17