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Flangers often have the following controls:
* ''Depth/Width'' - The maximum range the LFO will alter the delay time from its baseline setting. Ex. The baseline delay is 500ms. Depth at 100% causes the LFO to change the delay time from 0 - 1,500ms, +/-500ms from the baseline. 10% depth ranges the delay from 450 - 550ms, only 50ms from the baseline. Note, these are hypothetical - actual values will depend on the specific device.
* ''Rate/Speed'' - The speed at which the LFO manipulates the delay time. Starting at the baseline delay, the LFO will lower the delay time to the min setting, then reverse and raise it to the max, then return to the baseline - that is considered one cycle. Rate is measured in cycles per second, or Hertz (HZHz). The lower the rate, the slower the flanger's sweeping sound.
* ''Feedback/Resonance/Regen'' - Allows the delayed line to feedback, enhancing the sweeping at the expense of making the tone more artificial-sounding.
* ''Mix/Intensity'' - The proportion at which the dry (uncprocessed) signal is mixed with the delayed and feedback-adjusted signal.