Hofmann Futura Bedienungsanleitung Seite 17

3. Calibration
a. Turning on the power, preheating it for half an hour, then
start calibration, it could be more accuracy.
b. Calibration operation
Taking 300g/10mg for example:
1) Press "
subject on the balance. It enters the calibration status, it
appears " CAL-d2", then " 200.00g " flashing appears. Put
200g weight on , it displays " - - CAL- ", and then " 200.00g"
on display, it means entering the weighing status. If the
weighing is not accuracy, then repeat the above said
calibration steps.
2) Linear calibration: Press "
accuracy balance, press
calibration status, then press
enters the linear calibration, put on the weight in accordance
with the data on display, one point for calibration has been
done, and a fixed calibration data will be on display. Take off
the weight, the next calibration data is on flashing, put on the
weight accordingly, till all points for calibration have been
done.
(calibration) " by 3 seconds. when no any
]for 3 seconds, it enters the
(calibration) " [for 0.1mg
till it appears " CAL-L", it