Accurex PCX-200 Series, Руководство пользователя

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To return the balance to its initial position, remove the container and
press the "TARE" key, which will return the balance to the initial
position of 0.00.
It is advisable to use a container for weighing, as this will not damage
the balance plate. This also protects the scale from possible shocks
and increases its life.
AUTO-ZERO key
If the zero value changes during weighing, press the "TARE" key to
reset the display to zero.
CALIBRATION
Place the balance on a flat surface
Turn the scale on, when the display shows 0.00, press the "UNIT" key for
6 seconds.
The display will show the calibration value, this value may be modified by
pressing the "TARE" key. The user must choose the weight with which to
carry out the calibration, being able to choose between 10/ 20 or 50kg.
Once the calibration weight has been set, press the "UNIT" key, the display
will show the message CAL and then the selected weight value will flash
(10/20 or 50kg). Place the weight on the weighing platform and the
message "PASS" will appear, then the calibration procedure will be
completed.
If the scale is faulty and cannot be calibrated, the message "Err" will be
displayed and it will switch off automatically.
You can press the "ON/OFF" key to stop the calibration procedure.