xCare and MaintenanceDust and other foreign matter on the clear plate of the reading window can impede bar code input, so regularly checkfor it and remove it as the usage environment warrants.• To clean the plate, first blow the dust away with an airbrush. Then gently wipe the plate with a cotton swab or thesimilar soft one.• If sand or hard particles have accumulated, never rub the plate; doing so will scratch or damage it. Blow theparticles away with an airbrush or a soft brush.
