Conventions used in this Manual
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This manual is based on the assumption that both the camera and
camera flash’s power switches are powered on.
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Reference page numbers are indicated by “p.**”.
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The following alert symbols are used in this manual:
The Caution symbol indicates a warning to prevent shooting problem.
The Note symbol gives supplemental information.
Foreword
Warning
Thank you for purchasing this product.
This TT685IIO camera flash applies to Olympus/Panasonic series
cameras and is compatible with TTL autoflash. With this TTL
compatible flash, your shooting will become simpler. You can
easily achieve a correct flash exposure even in complex
light-changing environments. This camera flash features:
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Approx. GN60 (ISO 100, @200mm), 81 steps from 1/1 to 1/256.
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Fully support Olympus/Panasonic TTL camera flash. Workable
as Transmitter or Receiver unit in a wireless flash group.
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Use dot-matrix LCD panel to make clear and convenient
operations.
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With built-in 2.4GHz wireless remote system to support
transmitting and receiving.
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Provided multiple functions, include HSS (up to 1/8000s), FEC,
FEB, etc.
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Stable consistency and color temperature with good even
lighting.
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Support with firmware upgrade.
Always keep this product dry. Do not use in rain or in damp
conditions.
Do not disassemble. Should repairs become necessary, this
product must be sent to an authorized maintenance center.
Keep out of reach of children.
Stop using this product if it breaks open due to extrusion, falling
or strong hit. Otherwise, electric shock may occur if you touch
the electronic parts inside it.
Do not fire the flash directly into the eyes (especially those of
babies) within short distances. Otherwise visual impairment
may occur.
Do not use the flash unit in the presence of flammable gases,
chemicals and other similar materials. In certain circumstance,
these materials may be sensitive to the strong light emitting
from this flash unit and fire or electromagnetic interference may
result.
Do not leave or store the flash unit if the ambient temperature
reads over 50
℃
. Otherwise the electronic parts may be
damaged.
Turn off the flash unit immediately in the event of malfunction.
Contents
Foreword
Warning
Name of Parts
Body
Control Panel
LCD Panel
LCD Panel in Three Modes
What's in the Box of TT685IIO Kit?
Separately Sold Accessories
Loading and Unloading the Battery
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
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 Warning
C.Fn: Setting Custom Functions
Protection Function
Technical Data
Troubleshooting
Firmware Upgrade
Compatible Camera Models
Maintenance
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