fine-tune
verb (used with object)
to tune (a radio or television receiver) to produce the optimum reception for the desired station or channel by adjusting a control knob or bar.
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The SPE team will have fine-tuned the portion size.
From New York Times ● Jan. 9, 2013