iFSC (Field Setup Controller) is a Command/Control app for the REF TEK 130 DAS Seismic Recorder via the Serial Port.. iFSC is used to edit and program the acquisition parameters of the DAS. It also provides State-of-Health monitoring with an extensive set of Status commands. State-of-Health monitoring includes acquisition status, RAM and disk usage, GPS status, main and backup battery voltages, time, and temperature. Additional commands allow setting up network connections and checking network status. Data monitoring without stopping acquisition is also available. The Command/Control functionality of this app requires the iFSC cable or WiFi Serial Adapter which are available from the manufacturer of the REF TEK 130 DAS Seismic Recorder.