7882 Scanner Installation and Owner Guide497-0419630 Release D 04/01 23 of 58Operating the ScannerThe NCR 7882 is a fixed position device that is not handled or moved by the operatorduring operation. It is maintained and serviced by trained service personnel only. Theoperator has no access to any laser module components.The 7882 does not have a power switch. However, you turn it on and off by using thecircuit breaker switch, located in the checkstand, that supplies power to the unit. Besure this switch is in the On position.The Red Indicator is on when the 7882 is ready. When the scanner reads a bar code, theRed Indicator turns off and the Green Indicator turns on. Nothing happens if the barcode is not read. The correct way to do pass-by scanning is to just slide the item pastthe scan window without lifting the item. With presentation scanning, you lift the item,move it straight toward the scan window, then bring the item back away from thescanner.11959Horizontal Mount In CounterMotion Detector Red/Green Status IndicatorScan WindowItem FlowVertical MountTable Top Mount