Instruction Manual

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Foreword
Warning
Name of Parts
Body
Control Panel
Dot-matrix LCD Panel
LCD Panel in Three Modes
What's in the Box of GIO1 O
Kit?Separately Sold
Accessories Battery
LED Modeling Lamp
Attaching to a Camera
Power Management
Flash Mode — TTL Autoflash
FEC (Flash Exposure Compensation)
High-Speed Sync
Second-Curtain Sync
M: Manual Flash
Multi: Stroboscopic Flash
Wireless Flash Shooting: Radio (2.4G) Transmission
Wireless Settings
Group Mode Selection
Setting the Communication Channel
Wireless ID Settings
Scan the Spare Channel
TTL: Fully Automatic Wireless Flash Shooting
M: Wireless Flash Shooting with Manual Flash
Multi: Wireless Flash Shooting with Manual Flash
Other Applications
Sync Triggering
Bounce Flash
ZOOM: Setting the Flash Coverage
Low Battery Indicator
C.Fn: Setting Custom Functions
Protection Function
Technical Data
Troubleshooting
Firmware Upgrade
Compatible Camera Models
Maintenance
Contents
Conventions used in this Manual
● This manual is based on the assumption that both the camera
and camera flash’s power switches are powered on.
● Reference page numbers are indicated by “p.**”.
● The following alert symbols are used in this manual:
The Caution symbol gives supplemental information.
The Note symbol indicates a warning to prevent shooting
problem.
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