Datexx DS-736II, Руководство пользователя

Страница: 4 / 25

Pen or other pointed object.
Use a soft, dry cloth to clean the exterior of the unit.
If the calculator becomes dirty, wipe it off with a
cloth moistened in a weak solution of water and a mild
neutral household detergent. Wring out all excess mois-
ture before wiping the calculator. Never use thinner.
benzine or other volatile agents to clean the calculator.
Doing so can remove printed markings and damage the
case.
3
Never press the keys of the calculator with a ball-point