CodeGate works hand-in-hand with Metrologic patented automatic-triggering scheme. Its as simple as placing a barcode to the scanner the 650-nm laser is automatically activated letting the user select the barcode to be scanned. Press the CodeGate button and the data is quickly processed to the system Equipped with both In Stand and Out of Stand operation, MS9540 Voyager Scanners can be used as both a hand-held and fixed position scanner.