Discussed previously here but was closed. Also this is related
What does the term “Custom preset” refer to?
A preset that was customised by the user? Or a custom preset from the presets search?
What does the “Use Custom Preset” switch enable?
Does it allow for the creation of a custom preset and its use, in addition to selecting a preset from the database?
How to enable “Use CustomPreset” option?
“Use Custom Preset” appears when EQ is active. It is not visible if EQ is off.
- Select from “search presets”
- When preset is selected, EQ becomes enabled automatically.
- And “Use Custom Preset” appears in the screen in off state. When pressed and it makes a jump like it’s trying to engage!
- Turn off “Enable Equalizer”
- The “Use Custom Preset” switch disappears,

Is it possible to store a custom preset?