ALCON HAND HELD AUTO-KERATOMETER Print out Once the measurements are taken, place the instrument back onto its base. You are now ready to printout the results. Just press the print button. The instrument must be on the base during the print out. You can move the paper up by pressing the scroll button next to the printer prior to tearing the readout off if necessary. If you are now done using the instrument turn it off by pressing the CLEAR button 3 times.