Functions of the balance keypad:
The On/Off key is to turn the Balance On or Off (Note: it has an On/Off hard
switch at the bottom).
The Zero key allows the user to subtract the container value multiple times within
the capacity weight, and is used to set or re-adjust the weighing scale in correct
The Print key is to send data to external device through RS232 connector.
The Unit key is to toggle between different units of measurement.
The PCS key is for piece counting