Service maintenance manual
3 General description
DORS 820 counter is designed for counting and sorting banknotes of Russian rubles,
Ukrainian hryvna, Kazakhstan tenge, US dollars, Euros, Great Britain pounds, PRC renminbi
and other currency (depending on complete set) determining their authenticity, par value and
amount. Authenticity is determined by comparing 9 machine-readable features with reference
data stored in the counter’s memory. The counter has an oprtion of banknote serial number de-
tection and comparison and an option of banknote fitness detection. The counter is equipped with
USB 2.0 type B slot and can be connected to a PC.