Quick Check® SV Series User’s Guide 5 - 9Procedure 11. Remove all bar codes from the laser beam path.2. Place the supplied calibration symbol in the laser beam in the sameposition (distance and angle) as the labels to be verified will bescanned.3. Press and hold the RESET button on the SV unit until the CalibrationLED begins to flash.4. Release the RESET button immediately after the Calibration LEDbegins flashing.If calibration is successful, the laser beam will go off and the Calibration LED willgo off.5. Remove the calibration symbol from the beam path, and press theRESET button until the beam turns on. The SV unit is now ready tooperate.If calibration is unsuccessful, the Calibration LED will be either on steadily orflashing. In this case, repeat the calibration procedure.Procedure 21. Place the supplied calibration symbol in the laser beam in the sameposition (distance and angle) as the labels to be verified will bescanned.2. Send “~SC” into the SV unit serial port. This will cause the CalibrationLED to flash.3. If calibration is successful, the laser beam will go off and the CalibrationLED will go off. Remove the calibration symbol from the beam pathand then Press the RESET button until the beam turns on. The SV unitis now ready to operate.4. If calibration is unsuccessful, the Calibration LED will be either onsteadily or flashing. In this case, repeat the calibration procedure.Once calibration is successful, re-calibration is not required unless the unit hasbeen moved – either on its mounting stand or into a new location. It is advisedto keep the laser beam exit window clean. Dirt, dust, and fingerprints on the exitwindow can affect calibration.