Yongnuo YN320EX - User Manual

1
To prevent fire or electrical shock, please do not expose the product to
rain or moisture.
To avoid short circuit, please make sure the batteries contacts are
securely packed and in accordance with local provisions when handling
the battery.
Keep the batteries and other accessories out of the reach of children. If a
child or infant swallows a battery or accessory, please contact a doctor
immediately.
To avoid possible injury to eyes, do not use the flash near the eyes.
To avoid possible safety accident, do not use the flash light on the
people who need to keep highly focused.
If the following situations happen, please remove the batteries
immediately and stop using the flash:
The product falls or is struck seriously and internal parts are exposed.
If the corrosive liquid inside the battery leaks, please take out the
battery with gloves.
The product gives off strange smell, heat, or smokes.
Do not disassemble or repair this product by yourself. High-voltage
internal parts may cause electrical shock.Please remove all the batteries
when the product is not in use for a prolonged period.
Precautions
Conventions used in this user manual:
In order to learn and master the operation of this speed-lite, at the
meanwhile you read this manual, please take user manual of your
camera as reference.
In every operating step, we assume that both camera and speed-lite are
power on.
Icons used in this user manual
：Supplementary information
：Long press the button
：Short press the button

Yongnuo YN320EX Specifications

General

Type	Speedlite
Power Source	4 x AA batteries
Recycle Time	Approx. 3 Seconds
Wireless Functionality	Yes
Auto Zoom Head	Yes
Bounce Head	Yes
Swivel Head	Yes
Channels	16
Flash Modes	Manual, Multi
Tilt Angle	90 degrees
Swivel Angle	360 degrees
Coverage	24-105mm
Wireless Range	100 meters
Groups	A, B, C
Flash Coverage	24-50mm
Compatibility	Canon
Weight	400 g

Summary

Precautions

Features

Integrated Transceiver & RF Compatibility

Details on integrated transceiver and receiver compatibility with YONGNUO RF radio trigger systems.

Advanced Flash Modes & Sync (TTL, M, Multi, HSS)

Covers GN60, TTL, M, Multi modes, and high-speed sync up to 1/8000s.

Power Management & Performance (Recycle, Battery)

Quick Start

Operating Precautions and Tips

Advice on avoiding excessive power use and idle time for overheat protection.

Trigger Mode and Flash Mode Selection

Instructions for entering trigger mode and switching between TTL/M/Multi/Gr modes.

Saving Settings and Resetting Defaults

How to adjust values, save settings, and revert flash settings to defaults.

Focal Length and Custom Function Access

Steps to enter focal length setting and custom function setting menus.

Firmware Upgrade Interface

Installation and Detachment

Installing the Batteries

Step-by-step guide on opening the compartment and inserting AA batteries correctly.

Attaching the Flash to the Camera

Detaching the Flash from the Camera

Basic Functions

Power, Lock, and Test Functions

Core Flash Modes: TTL, M, and MULTI

Detailed operation of TTL, Manual (M), and MULTI flash modes.

Zoom, Camera Menu, and Assist Lamp

Power Saving, Overheat Protection, and Indicators

Firmware Upgrade Procedure

Advanced Applications

High-speed Sync and Rear-curtain Sync

Remote Wireless Flash Shooting Techniques

Overview of 2.4GHz radio and optical transmission for remote flash.

Flash Exposure Compensation and Locks

Continuous Shooting, Bounce Flash, and Panels

Wireless flash shooting

2.4 GHz Radio Transmission Setup

Configuring 2.4GHz radio for master/slave units, channels, and IDs.

Master Flash Control and Slave Grouping

2. Optical Transmission Modes (Ss, S1, S2)

Custom Function Settings

Power Saving and Sleep Timers (Fn 01-03)

Troubleshooting Guide

Power and Flash Firing Issues

Troubleshooting when the flash won't turn on or fire.

Wireless Shooting Connectivity Problems

Resolving issues with radio and optical transmission wireless shooting.

Exposure and Image Quality Problems

General Troubleshooting and Support