... exhaust block on the electronic scale, press the “N.W.” to make the indicator’s reading be “0”, ... (1). “Print”: for “OK” in setting(2). “N.W.”: for “moving left for 1 digit” in setting(3). “ ... “Zero” till the indicator shows “3”, press the “N.W.” till the indicator shows “3000”, press the “Print” to ... “Zero till the indicator shows ”1”, press the “N.W.” till the indicator shows “1000”, press the “Print” ...