Eelseadistatavaid pingejagureid kasutatakse sageli mõõtevahendite esialgseks kalibreerimiseks pärast tootmist, ja erinevalt paljudest teistest muutvatest juhtseadistest, paigaldatakse need otse trükkplaatidele, pööratakse väikese kruvikeerajaga, mille tõttu omavad palju vähem reguleerimisruumi.
Trimmer potentiometers (trimpots) are often used to initially calibrate equipment after manufacturing, and unlike many other variable controls, are mounted directly on circuit boards, turned with a small screwdriver and rated for many fewer adjustments over their lifetime.
