JCM Part No . 960 - 000102R _ Rev . 2 © 2006, JCM - American Corporation 3 - 1 Optipay ™ CC A - 66 Coin Changer S e c t i o n 3 3   DESIGN This section describes the general design of the Optipay™ A - 66 Coin Changer and the various components within it important to operating the device . The following items will be discussed: •   Return lever, keypad, indicator lights, interfaces, DIP Switch block, product labels •   Tube cassette, pay out set, and filling level sensors The Coin Validator Coins inserted into the Coin Validator ( 3 ) (See Figure 3 - 1 ) pass through the Coin Insertion Funnel ( 11 ) into the validation area of the device . Here the coin’s properties are compared with the values contained in the stored in memory . Rejected coins are routed to the Vending Machine's return cup . In the event of a sale, accepted coins are either directed to one the four cassette tubes ( 6 ) or into the Cash Box below them . Figure 3 - 1 A - 66 Features Device Overview