32 NEUROPROBE® 500 PRO USER MANUALCOPYRIGHT © 2006 - 2017, ACCELERATED CARE PLUS CORP., ALL RIGHTS RESERVEDFigure 6LEAD WIRE TESTER OPERATIONLead Wires should be inspected periodically, as well as any time there are output anomalies reported by the patient. Plug the distal (patient end) of the lead wire into the test connectors while observing polarity (red / black). Plug the device end of the lead wire into the receptacle labeled LEAD WIRE TESTER. When the POWER is on, green LED will turn on if the lead wire passes the test. LED will be red if thelead wires are faulty and need to be replaced.Figure 7Service CenterCharge lightFor reference only:Charge light solid - charging inprogress.Charge light blinks slowly -charging completed.Charge light flickers (blinksrapidly) - batteries not installedor are not charging properly.Patient-end of leadwire, Red-codedPatient-end of leadwire, Black-codedDevice-end oflead wireLED lights green when leadwire is functional, and lightsred when lead wire needsto be replaced.