Explanation: The Receiver Incremental Tuning (RIT), often called "Clarifier," provides a fine-tuning capability for your radio's receive frequency. It allows you to slightly adjust the receiver without changing the main Variable Frequency Oscillator (VFO) setting, which typically controls both the transmit and receive frequencies. This is particularly useful in Single Sideband (SSB) operation, where precise tuning is crucial for clear voice reception. If another station is slightly off-frequency, RIT allows you to "clarify" their signal by tuning them in perfectly without altering your own transmit frequency. This ensures you transmit on the frequency you originally set, while still being able to comfortably listen to the other station. Therefore, it acts solely as a fine-tune for the incoming signal.