What is the AUDIO RESPONSE function used for?

[FORUM XP]

The Audio Response enables you to amplify the sound volume of distant targets and therefore to be more alert to them.
It gives the sensation of greater power, however it does not provide any additional depth as this setting only affects the sound curve (the dynamic range of sounds).

Note: By amplifying small signals you will also be amplifying small spurious false signals.
Note: By increasing the sound response you will compress the dynamic range and thus reduce the appreciation of a target’s distance.