When installing a barcode scanner, it is important to ensure that the scanner communicates with PmScan ( formerly PerfectScan) software. After opening the app, simply point the camera at the code. Find installation guides, technical data, parts numbers for scanner consumables, and more via the menu below. If the scanner being used has custom programming, it might interfere with expected behavior. Scan the Disable All Symbology barcode and then wait three seconds. The Adesso NuScan 2700R is the ultimate wireless barcode scanning solution. Realinn barcode scanner setup Pull the Scanner Trigger, and then center the aiming beam on the barcode/symbol.