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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 indicates a warning to prevent shooting problem.

    The Note symbol gives supplemental information.

'PSFXPSE

8BSOJOH

Thank you for purchasing this product.
This TT685IIC camera flash applies to Canon EOS series cameras 
and is compatible with E-TTL II autoflash. With this E-TTL II 
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:

Approx. GN60 (m ISO 100, @200mm), 81 steps from 1/1 to 1/128.

Fully support Canon E-TTL II camera flash. Workable as 

Transmitter or Receiver unit in a wireless flash group.

Use dot-matrix LCD panel to make clear and convenient 

operations.

With built-in 2.4GHz wireless remote system to support 

transmitting and receiving.

Provided multiple functions, include HSS (up to 1/8000s), FEC, 

FEB, etc.

Stable consistency and color temperature with good even 

lighting.

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.

*3GXQ/<

*3GXQ//

*3GXQ//

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3

3

5D Mark III

5D Mark 

6D

7D 60D

50D

30D 600D

500D

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II

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Thinklite TTL Camera Flash

Godox

TT685IIC

Summary of Contents for TT685IIC

Page 1: ...ultiple functions include HSS up to 1 8000s FEC FEB etc Stable consistency and color temperature with good even lighting 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...

Page 2: ...lications Sync Triggering Modeling Flash Auto Focus Assist Beam Bounce Flash ZOOM Setting the Flash Coverage Low Battery Indicator C Fn Setting Custom Functions Control with the Camera s Menu Screen Protection Function Technical Data Troubleshooting Firmware Upgrade Compatible Camera Models Maintenance 31 32 35 40 40 41 44 45 46 53 55 56 57 58 59 60 60 60 01 Flash Head 02 LED Modeling Lamp 01 10 0...

Page 3: ...ut 3 Multi Flash Multi Stroboscopic flash Number of flashes Flash frequency 4 Radio Transmission Shooting Transmitter unit flash ON Transmitter unit flash OFF Radio transmission wireless shooting Transmitter Unit TX Firing group Channel Flash mode CH Receiver Unit RX Receiver What s in the Box of TT685IIC Kit RGYN TOZ 3OTO 9ZGTJ 6XUZKIZOUT GYK Instruction Manual 1 2 3 4 LCD Panel in Three Modes At...

Page 4: ...ash output the instant before the photo is taken FEC Flash Exposure Compensation With FEC function this flash can adjust from 3 to 3 in 1 3rd stops It is useful in situations where minor adjusting of the TTL system is needed based on the environment Loading and Unloading the Battery To unload the battery hold down the battery and press compartment and push the battery downwardly to take it out 2 P...

Page 5: ...nd FEL You can prevent the FEB from being cancelled automatically after three photos are taken C Fn FEB ACL Page 55 C Fn FEL Flash Exposure Lock FEL can lock the correct flash exposure setting for any part of the scene With ETTL displayed on the LCD panel press the camera s FEL button If the camera does not have the FEL button press the button Focus the subject Press the FEL button Aim the subject...

Page 6: ...ssed as Hz the number of flashes and the flash output Press MODE button so that M is displayed Press MODE button so that is displayed Set the flash frequency and flash times Press the Function Button 2 Times to select the flash times Turn the Select Dial to set the number Press the Function Button 3 Hz to select the flash frequency Turn the Select Dial to set the number Turn the Select Dial to cho...

Page 7: ... unit functions see the transmitter s instructions Use the supplied mini stand to position the Receiver unit Before shooting perform a test flash and test shooting The transmission distance might be shorter depending on the conditions such as positioning of Receiver units the surrounding environment and whether conditions Using a flash transmitter receiver with a radio transmission wireless shooti...

Page 8: ...tings are indicated only as an example 1 Wireless Settings You can switch between normal flash and wireless flash For normal flash shooting be sure to set the wireless setting to OFF Press button so that is displayed on the LCD panel Press button so that or are displayed on the LCD panel 2 Transmitter Unit s Flash OFF When the Transmitter unit is set to OFF only the Receiver units will fire a flas...

Page 9: ...hting operation is needed increase the number of Receiver units and set it as a single Receiver unit To add Receiver units use the same steps as setting automatic wireless flash with a single Receiver unit Any flash group can be set A B C D E When the number of Receiver units is increased and the Transmitter unit flash firing is ON automatic control is implemented to make all groups of flashes fir...

Page 10: ...at protection or other abnormal situation Please downgrade the flash power output If the flash is in TTL mode please try to change it to M mode a preflash is needed in TTL mode 3 Whether the distance between the flash trigger and the flash is too close or not0 5m Please turn on the close distance wireless mode on the flash trigger X2 X1 series press the test button and hold on then turning it on u...

Page 11: ...pear in the picture ZOOM Setting the Flash Coverage The flash coverage can be set automatically or manually It can be set to match the lens focal length from 20mm to 200mm If you set the flash coverage manually make sure it covers the lens focal length so that the picture will not have a dark periphery Low Battery Warning If the battery power is low will appear and blink on the LCD panel Please re...

Page 12: ... flash functions are settable according to different flash modes 1 Flash mode 2 Shutter sync 1st 2nd curtain high speed sync 3 FEB 4 Flash exposure compensation 5 Flash firing 6 Clear camera flash s settings Custom Functions of Camera Flash C Fn 00 C Fn 01 C Fn 03 C Fn 08 C Fn 10 C Fn 20 C Fn 22 Clear All Flash Custom Functions Flash function settings screen Flash C Fn settings screen 1 Press MENU...

Page 13: ...u used high speed sync With high speed sync the effective flash range will be shorter Make sure the subject is within the effective flash range displayed You used Manual Flash mode Set the flash mode to ETTL or modify the flash output Photos have dark corners or only parts of the target subject are illuminated The focal length of lens exceeds the flash coverage Check the flash coverage you set Thi...

Page 14: ...ns may not be reflected in this manual This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Any Changes or modifications not expressly approved by the party responsible for compliance co...

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