... exhaust block on the electronic scale, press the “N.W.” to make the indicator’s reading be “0”, take ... the scale for finish, while press the “Zero” to remove the minus reading for zeroing.c. NotesWhen ... “3”, press the “N.W.” till the indicator shows “3000”, press the “Print” to show the previous value of ... shows ”1”, press the “N.W.” till the indicator shows “1000”, press the “Print” to re-show the “1000” ...