NI–TUNER CVI Function Tree
| Name or Class | Function Name |
| Initialize | niTuner_init |
| Set Frequency | niTuner_setFreq |
| Close | niTuner_close |
| General Configuration | |
| Set Attenuation | niTuner_setAttenuation |
| Get Attenuation | niTuner_getAttenuation |
| Synchronization | |
| Configure Advance Trigger | niTuner_configAdvanceTrigger |
| Configure Ready Signal | niTuner_configReadySignal |
| Configure Reference Clock | niTuner_configReferenceClock |
| Initiate Scan | niTuner_initiateScan |
| Send Software Trigger | niTuner_sendSoftwareTrigger |
| Scan List Configuration | |
| Set Frequency Scan List | niTuner_setFreqScanList |
| Get Calibration | niTuner_getCal |
| Utility | |
| Get Temperature | niTuner_getTemperature |
| Ready | niTuner_ready |
| Error Handler | niTuner_errorHandler |