C620 Brushless DC Motor Speed Controller User Guide V1.0 2017.09Disclaimer Thank you for purchasing the RoboMaster C620 Brushless DC Motor Speed Controller (hereinafter referred to as product). Read this disclaimer carefully before using this product. By using this product, you hereby agree to this disclaimer and signify that you have read it fully. Install and use this product in strict accordance with the User Guide. SZ DJI TECHNOLOGY CO., LTD. and its affiliated companies assume no liability for damage(s) or injuries incurred directly or indirectly from using, installing or modifying this product improperly, including but not limited to using non-designated accessories. TM DJI is a trademark of SZ DJI TECHNOLOGY CO., LTD. (abbreviated as DJI) and its affiliated companies. Names of products, brands, etc., appearing in this document are trademarks or registered trademarks of their respective owner companies. This product and document are copyrighted by DJI with all rights reserved. No part of this product or document shall be reproduced in any form without the prior written consent or authorization of DJI. The nfi al interpretation rights of this disclaimer is owned by DJI. Warning 1. Make sure that there are no short circuits and all the cables are correctly connected when using the speed controller. 2