5. Test your mic in TeamSpeak and ask the members in the chatroom how it sounds and if they hear any background noise (your best reference is the noise level, when its minimal or none you are very close to your optimal setting.
6. If the volume is too low, adjust "Microphone Boost" to +10 dB and test again. Repeat the process until it is set to appropriate level.
In case you have questions consult Yerb (Community Sound Engineer) about it.
Thank you, whalepool community.