Monitor se kalibruje pomoci sondy prilozene na monitor. https://www.google.cz/#hl=cs&output=search&sclient=psy-ab&q=sonda+na+monitor&oq=sonda+na+mon&aq=0&aqi=g1&aql=&gs_l=hp.3.0.0.889l5962l1l7129l12l12l0l1l1l0l143l913l9j2l11l0.frgbld.&psj=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=88d15b6b5b9a7a53&biw=1280&bih=960