# Disclaimer and safety warning ### Disclaimer Copyright © Shenzhen Yangda Technology Co., Ltd. All rights reserved.Without the written consent of Shenzhen Yangda Technology Co., Ltd., any unit or individual shall not extract or reproduce part or all of the contents of this manual without authorization, and shall not transmit it in any form. The products described in this manual may contain copyrighted software by Shenzhen Yangda Technology Co., Ltd. and its possible licensors. Distribute, modify, extract, decompile, disassemble, decrypt, reverse engineer, lease, assign, sublicense, and otherwise infringe software copyright, except to the extent that applicable law prohibits such restrictions. ### Safety warning 1. Please install the corresponding antenna before turning on any switch, otherwise the equipment will be damaged easily! 2. Please charge immediately when the system voltage is lower than 11.1V, and the limit voltage cannot be lower than 10.5V 3. Do not disassemble or modify the system without authorization, if there is any problem, please contact professionals --- # 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.yangdaonline.com/yangda-docs/ground-station-user-manual/rock-ground-station/disclaimer-and-safety-warning.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.