RADWAG Scales of WPT series - Manual (Page 25)

11.1. Tarring
In order to determine the net mass put the packaging on the pan.
After stabilising press - (Net pictogram will be displayed in the left
upper corner and zero will be indicated).
After placing a load on the weight pan net mass will be shown.
Tarring is possible within the whole range of the scale. After unloading
the pan the display shows the tarred value with minus sign.
Notice:
Tarring cannot be performer when a negative or zero value is being
displayed. In such case <Err3> appears on the display and short
audible signal will be emitted.
11.2. Inscribing tare value
You can also inscribe a tare value. While in weighings mode press:
• Press
simultaneously and ,
• You will see :
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