At the END FITTING step;
Choose Accessories in the left pane, then click the PNONE tab.
You can set (M relative to phone) Louder of softer (-12dB to 0dB) where M is your hearing aid microphone;
When it is important that you listen to nearby people (for example; office work environment) set M Louder. When your environmental sounds are not important (for example; just streaming music and → Nothing Else Matters) set M to Softer.
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