Setting up barcode scan sound Launch the MSCM Application. Select MSCM profile and log in to MSCM. In the MSCM menu, click Settings and select App Settings > Barcode Scan Sound. On Default Good Scan, select one of these options: None Low Tone High Tone Three Tone Note: Default is High Tone. The setup is automatically saved after selecting a sound option. On Default Bad Scan, select one of these options: None Low Tone High Tone Three Tone Note: Default is Low Tone. The setup is automatically saved after selecting a sound option.