Yongnuo YN600EX-RT User Manual

Describes RT system compatibility and grouping mode.

Details compatibility with YONGNUO/Canon wireless signals and triggering.

Highlights guide number and high-speed sync capabilities up to 1/8000s.

Explains how to upgrade the flash firmware via USB.

Details support for wireless optical master signals from Canon/Nikon.

Covers auto and manual zooming for flash coverage (20-200mm).

Notes automatic saving of settings and custom function support.

Mentions fast charging and support for external power supply.

Highlights the large LCD display and standard PC synchronous interface.

Identifies external parts like wide panel, USB port, PC port, and hot shoe.

Details buttons, levers, and indicators like LCD panel and test button.

Explains ETTL flash LCD panel indicators, settings, and ranges.

Details LCD panel displays for M mode and MULTI (stroboscopic) mode.

Illustrates LCD panel displays for wireless master and slave units.

Step-by-step guide for installing AA batteries into the speedlite.

Instructions on mounting the speedlite onto the camera's hot shoe.

Details the function of each button and switch for operating the speedlite.

Explains the status and meaning of charging and link indicator lights.

Describes the different states and meanings of the wireless link indicator light.

Defines the meanings of various sound prompts emitted by the speedlite.

Guides on turning the speedlite on, charging, and turning it off.

Explains how to use the ETTL auto flash mode and its features.

Details manual flash output settings and adjustments in M mode.

Describes the settings for stroboscopic (Multi) flash mode.

Explains the Gr (group) mode for master triggering multiple slave units.

Details how to control the speedlite via Canon camera menus.

Guides on using the PILOT button to test flash output.

Explains the power saving mode and its settings.

Describes the speedlite's overheat protection mechanism and recovery.

Covers manual adjustment of flash coverage and auto zoom settings.

Explains using the PC sync port for synchronous flashing.

Notes that the speedlite automatically saves current settings.

Provides instructions for downloading and upgrading the speedlite firmware.

Details settings for the speedlite as a wireless master unit via radio.

Details settings for the speedlite as a wireless slave unit via radio.

Explains wireless optical slave unit modes (Sc/Sn/S1/S2) and settings.

Describes S1 (synchronous) and S2 (pre-flash cancel) slave modes.

Covers creating multiple slave unit groups for advanced flashing effects.

Explains using high-speed sync for synchronization at all shutter speeds.

Details radio and optical transmission distances for remote shooting.

Guides on setting flash exposure compensation via camera or speedlite.

Explains using second-curtain sync for trailing smear effects.

Describes setting up Exposure Bracketing (FEB) for sequential exposure adjustments.

Explains how to use Flash Exposure Lock (FE Lock) for Canon cameras.

Explains how to use Flash Value Lock (FV Lock) for Nikon cameras.

Details customizing speedlite functions through advanced options and C.Fn settings.

Explains how to set up and use high-speed continuous shooting.

Describes bounce flash techniques using walls or ceilings for natural lighting.

Guides on using the built-in reflection board for catchlights.

Explains how to use the wide panel to extend flash coverage and soften light.

Troubleshoots power-on failures and situations where the flash does not fire.

Provides precautions for outdoor use, including sunlight and umbrella mounting.

Addresses issues of under or over exposure and checks relevant settings.

Helps resolve vignetting or partial illumination by checking focal length coverage.

Guides on troubleshooting when the radio slave unit fails to fire.

Guides on troubleshooting when the optical slave unit fails to fire.

Explains how to resolve a dim control panel by removing protective film.