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Godox TT685S User Manual

Godox TT685S
16 pages
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Godox TT685S Specifications

General IconGeneral
TypeSlave flash
Display typeLCD
Product colorBlack
Flash coverage20 - 200 mm
Built-in displayYes
Channels quantity32 channels
Color temperature5600 K
Shooting distance100 m
Flash guide number60 m
Approximate recycling time2.6 s
Camera brands compatibilitySony
Brand specific flash systemsTTL
Battery typeAA
Number of batteries supported4
Weight and Dimensions IconWeight and Dimensions
Depth76 mm
Width64 mm
Height190 mm
Weight530 g

Summary

Foreword

For Your Safety

Conventions used in this Manual

Name of Parts

Body

Lists the physical components of the camera flash unit.

LCD Panel

Details the display screen and its indicators.

Control Panel

Explains the function of buttons and dials on the unit.

What's in the Box of TT685S?

Separately Sold Accessories

Attaching to a Camera

Power Management

Auto Power Off

Explains the automatic power-off function and its settings.

Flash Mode: TTL Autoflash

TTL Mode

Describes how to use the flash in TTL automatic mode.

FEC: Flash Exposure Compensation

Explains how to adjust flash exposure compensation in TTL mode.

High-Speed Sync

Second-Curtain Sync

M: Manual Flash

Flash Output Range

Details the flash output levels and their corresponding f-stop values.

Optical S1 Secondary Unit Setting

How to use the flash as an optical S1 slave unit in manual mode.

Optical S2 Secondary Unit Setting

How to use the flash as an optical S2 slave unit in manual mode.

Manual Off Camera High-speed Setting

How to set manual flash for high-speed off-camera use.

Multi: Stroboscopic Flash

Calculating the Shutter Speed

Formula and considerations for setting shutter speed with stroboscopic flash.

Wireless Flash Shooting: Optical Transmission

Wireless Settings

How to switch between normal and wireless flash modes.

Slave/Master Unit's Positioning and Operation Range

Optimal placement and distance for master/slave units in optical transmission.

Wireless Flash Shooting: Radio (2.4G) Transmission

Wireless Settings

How to switch between normal and wireless flash modes for radio transmission.

Setting Master Unit's Flash Mode

How to set the flash mode for the master unit in radio transmission.

Setting the Communication Channel

How to set communication channels to prevent interference.

TTL: Fully Automatic Wireless Flash Shooting

M: Wireless Flash Shooting with Manual Flash

Setting the flash mode to <M>

How to select Manual flash mode for wireless shooting.

Setting flash output

How to set the flash output for groups in manual wireless mode.

Taking the picture

Instructions for shooting with manual wireless flash.

Multi: Manual Wireless Flash Shooting

Setting <Multi>

How to set the flash to Multi stroboscopic mode.

Wireless Multiple Flash Shooting

Auto Shooting with Two Slave Groups

How to set up and shoot with two slave groups.

Auto Shooting with Three Slave Groups

How to set up and shoot with three slave groups.

Other Applications

Wireless Control Function

Using a remote control to adjust flash power and trigger.

Sync Triggering

Connecting a sync cord for flash triggering.

Auto Focus Assist Beam

How the AF-assist beam works and how to control it.

Bounce Flash

Creating a Catchlight

ZOOM: Setting the Flash Coverage and Using the Wide Panel

Using the Wide Panel

Extending flash coverage to 14mm with the built-in wide panel.

Low Battery Warning

C.Fn: Setting Custom Functions

Custom Function Settings

Lists available custom functions and their settings.

Protection Function

Over-Temperature Protection

Details protection against overheating and its indicators.

Other Protections

Lists system prompts for device protection and safety.

Troubleshooting

The Camera Flash cannot be charged

Solutions for issues related to charging the camera flash.

The Camera Flash does not fire

Troubleshooting steps when the flash fails to fire.

The power turns off by itself

Resolving issues with the flash unit powering off automatically.

Auto zoom does not work

Fixes for when the auto zoom function is not operating.

The flash exposure is underexposed or overexposed

Tips for correcting exposure issues in flash photography.

Photos have dark corners or only parts of the target subject are illuminated

Troubleshooting illumination issues related to flash coverage.

Firmware Upgrade

Compatible Camera Models

Maintenance