This app allows you to control a Larson Davis 831C sound level meter with audiometric calibration software installed, AudCal. Perform calibration test for audiometers using the AudCal system. Use the app to seamlessly interface with the test software through the high-powered, precise Type 1 SLM and your coupler, PCB microphones, and other equipment. The app is fully-touch screen enabled, including a digital signature pad, upload logo for certificates and reports which can be emailed. A cloud based application already on your tablet can be used to save reports for easy sharing.