YONGNUO YN968EX-RT Flash Speedlite Instruction Manual

1. Introduction

This manual provides detailed instructions for the safe and effective use of your YONGNUO YN968EX-RT Flash Speedlite. Please read this manual thoroughly before using the product to ensure proper operation and to prevent damage.

2. Safety Information

• Do not disassemble or attempt to repair the flash unit yourself. High voltage components are present.
• Keep the flash unit dry. Do not expose it to rain, moisture, or extreme humidity.
• Use only specified batteries (4 AA batteries). Ensure correct polarity when inserting.
• Avoid direct eye exposure to the flash light, especially at close range, as it can cause temporary vision impairment.
• Keep out of reach of children.
• Do not operate the flash in the presence of flammable gases or liquids.

3. Package Contents

Verify that all items are present in your package:

• 1 x YONGNUO YN968EX-RT Flash Speedlite
• 1 x Mini Stand
• 1 x Carrying Bag
• 1 x LED Color Temperature Converter
• 1 x User Manual (English and Chinese)

4. Product Features

The YONGNUO YN968EX-RT Flash Speedlite offers advanced features for versatile lighting control:

• High Guide Number: GN60 (at ISO100, 105mm) for powerful illumination.
• High-Speed Sync (HSS): Supports shutter speeds up to 1/8000 seconds.
• Integrated LED Light: Features a high-power LED with a built-in diffuser for continuous lighting or video.
• Wireless Master/Slave Functionality: Can act as a master unit to trigger YONGNUO YN600EX-RT, Canon 600EX-RT, and other compatible units. Can also receive wireless signals from YN968EX-RT, YN600EX-RT, YN-E3-RT, Canon 600EX-RT/ST-E3-RT for remote TTL, Manual, Multi, and Gr flash modes.
• Auto Zoom: Flash head automatically adjusts zoom from 20-105mm.
• Backlit Digital Display: Features a retro-illuminated display with green and orange backlight colors for clear visibility.
• Overheat Protection: Designed to prevent damage from excessive heat during rapid firing.
• Adjustable Power Saving Mode: Conserves battery life when not in active use.
• USB Firmware Upgrade: Supports firmware updates for future compatibility and feature enhancements.

5. Component Identification

• Flash Head: Rotates and tilts for bounce flash.
• Wide-Angle Diffuser/Bounce Card: Located within the flash head, can be pulled out for wider light spread or softer light.
• LED Video Light: Provides continuous light, located below the flash head.
• LCD Display: Shows current settings, mode, and status.
• Control Buttons: Include MODE, CLEAR, ON/OFF, and directional buttons for navigation.
• Selection Dial: Used to adjust values and navigate menus.
• Hot Shoe Mount: Connects the flash to the camera's hot shoe.
• Locking Lever: Secures the flash to the camera.
• Battery Compartment: Located on the side/back for 4 AA batteries.
• USB Port: For firmware updates.

6. Setup

6.1 Battery Installation

1. Open the battery compartment cover.
2. Insert 4 AA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
3. Close the battery compartment cover securely.

6.2 Mounting on Camera

1. Slide the flash unit onto your camera's hot shoe.
2. Push the flash forward until it clicks into place.
3. Rotate the locking lever clockwise to secure the flash firmly to the camera.

7. Operating Instructions

7.1 Power On/Off

Press and hold the ON/OFF button to power the flash unit on or off.

7.2 Mode Selection

Press the MODE button repeatedly to cycle through available flash modes:

• E-TTL: Automatic flash exposure control.
• M (Manual): Manually set flash output power.
• Multi (Stroboscopic): Fires a series of rapid flashes.
• Gr (Group): For controlling multiple flash groups in wireless mode.

7.3 HSS (High-Speed Sync)

When in E-TTL or Manual mode, press the HSS button (if available, or typically accessed via a function button/menu) to enable high-speed synchronization, allowing flash use with shutter speeds faster than the camera's native sync speed.

7.4 Zoom Function

The flash head features an automatic zoom function that adjusts the flash coverage to match the lens focal length. Manual zoom adjustment is also possible via the menu.

7.5 LED Light Operation

Press the LED button to turn the continuous LED light on or off. Use the selection dial to adjust the brightness of the LED light.

7.6 Wireless Master/Slave Functionality

The YN968EX-RT supports both master and slave modes for wireless flash control. Refer to the detailed instructions in the full manual for specific setup procedures for different wireless systems (e.g., Canon RT system, optical slave modes).

• Master Mode: Allows the YN968EX-RT to control other compatible YONGNUO or Canon RT flashes.
• Slave Mode: Allows the YN968EX-RT to be triggered by a master flash or commander unit.

7.7 Adjusting Settings

Use the selection dial and directional buttons to navigate through the menu options displayed on the LCD screen. Press the center button to confirm selections. The CLEAR button can often be used to reset settings or exit menus.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the flash unit. For stubborn dirt, a slightly damp cloth can be used, followed by immediate drying. Do not use solvents or abrasive cleaners.
• Storage: When not in use for extended periods, remove the batteries to prevent leakage. Store the flash in its carrying bag in a cool, dry place away from direct sunlight.
• Firmware Updates: Periodically check the YONGNUO official website for available firmware updates. Follow the provided instructions carefully for updating the flash via its USB port.

9. Troubleshooting

• Flash Not Firing:
  • Check battery level and ensure batteries are inserted correctly.
  • Ensure the flash is securely mounted on the camera's hot shoe and the locking lever is engaged.
  • Verify camera and flash settings are compatible (e.g., flash enabled in camera menu).
  • Allow sufficient recycle time between flashes.
• Incorrect Exposure:
  • In TTL mode, ensure flash exposure compensation is not set too high or low.
  • In Manual mode, adjust flash power output accordingly.
  • Check camera ISO, aperture, and shutter speed settings.
• Overheating:
  • If the flash stops firing due to overheating, allow it to cool down for several minutes.
  • Avoid rapid, continuous full-power flashes.
• Loud Beeping Sounds:
  • The flash may emit beeping sounds to indicate readiness or other status. Consult the full user manual for instructions on how to disable or adjust sound settings if desired.
• Difficulty Navigating Menus:
  • Familiarize yourself with the control dial and button functions. Practice navigating through settings without immediate pressure.
  • If settings become confusing, a factory reset option may be available (often by holding specific buttons, refer to the detailed manual).

10. Specifications

11. Warranty and Support

For warranty information and technical support, please refer to the warranty card included with your product or visit the official YONGNUO website. Keep your purchase receipt as proof of purchase for warranty claims.

YONGNUO Official Website: www.yongnuo.com.cn