# Manual mode When historic recordings and comments are not needed, the manual mode is the weapon of choice. E.g. for controlling a sparge tun to reach and hold 78°C / 172,4°F or a fridge/fermenter holding 5°C / 41°F for multiple weeks / years. ![Screenshot of a activated, manually controlled device.](/files/-MeaAclzmQQKoaHvp_i0) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.bierbot.com/using-bricks/the-manual-mode.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.