JCM Part No . 960 - 000102R _ Rev . 2 © 2006, JCM - American Corporation 2 - 1 Optipay ™ CC A - 66 Coin Changer S e c t i o n 2 2   SAFETY INSTRUCTIONS This section provides safety instructions for using the Optipay™   A - 66 Coin Changer . Read this manual carefully before operating the unit . Proper use The four tube A - 66 Coin Changer is intended for use in vending machines using the serial MDB interface . Only use the A - 66 Coin Changer for this purpose . Under no circumstances can the manufac - turer be held liable for any damage or loss resulting from improper use of the device . The Coin Changer series is state of the art and has been constructed in compliance with recognized safety regulations . Protecting Yourself and the Equip - ment The A - 66 Coin Changer may only be connected by a qualified technician . Only use the Coin Changer for it’s intended use . Under no circumstances can the manufacturer be held liable for any damage or loss resulting from improper use of this device . The Coin Validator‘s printed circuit board (pcb) is fitted with electronic components which may be damaged beyond repair by electrostatic discharge . Please observe the handling instructions regarding static sensitive components . Select the correct operating voltage for the Coin Changer (see device label directly, or Figure 3 - 4 in Section 3) . Never disconnect the harness when power is applied! Remove the Vending Machine’s Power Plug before you install, clean or remove the Coin Changer . Always transport the Coin Changer empty and in its original packaging . Never carry the Coin Changer by its cables . Keep water and other liquids away from the Coin Changer . JCM reserves the right to make technical modifications to the unit which are not covered in this manual .