... B, each channel could accept more than 6 value coin, could setting for coin from two different ... of coin (1-6), pulse signal out put for value (1-50), accuracy (1-30), sample quantity (1 ... need3, high accuracy, identify coin based on their value, material, thickness and diameter4,CPU micro computer QUICKY ... 20pcs each coin inside when setting, the system will learn and know each coin or token automatic. ...