SPEEDLITE User Manual details for FCC ID 2ACYPYN685 made by SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD. Document Includes User Manual User Manual. The YN685 is 2.4GHz wireless high guide number speedlite, supports TTL Supports auto and manual zooming, the flash coverage can be changed. Manual for Yongnuo Speedlite YN685 Flash. View and download the pdf, find answers to frequently asked questions and read feedback from users. The user manual lists all of the functions of the Yongnuo YN685 Wireless TTL Speedlite and Wireless Flash, all the basic and advanced features and tells you how View the User Manual for the SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT model YN685 SPEEDLITE 2ACYPYN685. View the PDF file for free. No joining required. Specifications In order to get familiar with this product, please read this user manual and take the user manual of the camera and as reference.User manual instruction guide for SPEEDLITE YN685 SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD. Setup instructions, pairing guide, and how to reset. Completely Compatible with YONGNUO 622C and 603. Wireless System. YN685 supports respectively receiving wireless triggering signal from YN622C, YN622C-TX,