https://devzone.nordicsemi.com/f/nordic-q-a/115517/rtt-output-bluetooth-core-messagesHi. Can you please tell me if I can disable messages from bt_hci_core and bt_sdc_hci_driver? And how to do it? Thanks.en-USTelligent Community 13Tue, 15 Oct 2024 14:04:44 GMThttps://devzone.nordicsemi.com/thread/506336?ContentTypeID=1Tue, 15 Oct 2024 14:04:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a1f55d57-14af-4e1a-8aa2-07f50b11f9afbackstreet.devisor<p>Hi Elfving. Thank you for your reply.</p> <p>These settings helped --&gt;&nbsp;</p> <p><pre class="ui-code" data-mode="text">CONFIG_BT_HCI_CORE_LOG_LEVEL_OFF=y CONFIG_BT_HCI_HCI_DRIVER_LOG_LEVEL_OFF=y</pre></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/506280?ContentTypeID=1Tue, 15 Oct 2024 11:00:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5deeeb2a-9c1a-44a8-acbc-32231ebee25bElfving<p>Hello,</p> <p>You would have to change the <a href="https://docs.nordicsemi.com/bundle/ncs-latest/page/kconfig/index.html#CONFIG_LOG_DEFAULT_LEVEL">log level</a>. For more on this, you can see the <a href="https://docs.nordicsemi.com/bundle/ncs-latest/page/zephyr/services/logging/index.html">documentation </a>but I would rather recommend&nbsp;<a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-fundamentals/lessons/lesson-3-printing-messages-to-console-and-logging/">lesson 4 in the fundamentals course</a>.</p> <p>Regards,</p> <p>Elfving</p><div style="clear:both;"></div>