JCM Part No . 960 - 000058R _ Rev . 2 © 2008,   JCM - American Corporation 1 0 Section 2 EBA - 03 Bill Validator Installation / Operation Figure 2 - 3 illustrates the internal DS - 2 DIP Switch settings when the Serial Interfa ce (I/F), or the Pulse Interface is configured . Preventive Maintenance It is important to keep the bill path, rollers, and belts clean . The sensor lenses are transparent surfaces, and are made of a polymer material . Handle them with extreme care . To clean the lenses, use a lint - free cloth and mild n on - abrasive detergent such as liquid dish soap mixed with water (See Figure 2 - 4) . 8 X 7 Accept X Reject * . NOTE: Numbers 1 - 7 indicate different denominations in any currency . Table 2 - 5   DIP Switch 1 (DS - 1) Settings DIP Switch No . Position Denomination (see NOTE below) * Accept/ Reject ON OFF NOTE: Turn DS - 1, Switch #1 ON to enter the test mode . When serial I/F is used, set DS - 2, Switch #1 to ON . When pulse I/F is used, set DS - 2, Switch #1 to OFF DS - 2 Switches #2 and #3 determine the pulse width DS - 2 Switch #4 selects the pulse option DS - 2 Switch #5 controls the exit sensor: ON = Disabled, OFF = Enabled (Normal operation) DS - 2 Switch #6 controls the INHIBIT signal: OFF = high active, ON = low active DS - 2 Switch #7 controls the ABN signal: OFF = high active, ON = low active DS - 2 Switch #8 controls the ACC - EPTANCE rate: ON = high acceptance, OFF = low acceptance Figure 2 - 3 DIP Switch 2 (DS - 2) Settings NOTE: These settings vary according to the software version. WARNING: Do not use alcohol or paint thinner for cleaning surfaces! Figure 2 - 4 EBA Bill Path Cleaning