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Before using this product

Please read this user manual carefully in order to ensure your safety and the proper operation of this product. Keep 
for future reference.

Thank you for purchasing a GODOX product.

WITSTRO All-in-One Outdoor Flash AD400Pro has strong power, all-in-one lithium battery pack and great 
portability. When using Godox 2.4G wireless X system off camera, AD400Pro can be triggered by XPro and X1 
series flash trigger in TTL/M/Multi mode, etc. With master & slave functions, AD400Pro can also use in combination 
with Godox TTL camera flashes, TTL outdoor flashes, TTL studio flashes, etc. With this AD400Pro flash, your 
shooting will become simpler. You can easily achieve a correct flash exposure even in complex light-changing 
environments.

    • LED modeling lamp: 

30W LED modeling lamp whose light brightness can be freely adjusted.

WITSTRO AD400Pro offers studio quality light for outdoor and live shooting with strong power and large capacity 
lithium battery pack. The powerful and portable AD400Pro meets the demands of freelance commercial 
photographers, photojournalists, wedding and beach portraiture shooters, event and backpack photographers, 
photograph enthusiasts, etc. The AD400Pro offers:

฀ 

 

    • Quick recycle time:

 0.01-1s.

    • Stable color temperature mode: color temperature changes within ±75K over the entire power range.

    • 

With New Godox-mount and the included Bowens-mount adapter ring, AD400Pro can install different 

      accessories by replacing its adapter ring(separately sold), such as accessories of Broncolor, Prophoto, 
      Elinchrom, etc.

    • Precise power output:

 power adjusts from full power 1/256 to 1/1 in 25 steps.

    • Advanced functions:

 1/8000s high-speed sync flash, multi flash, high-speed sync triggering, etc.

    • Compatible wireless TTL system:

 with built-in Godox 2.4G wireless X system, AD400Pro is compatible with 

      Canon, Nikon, Sony, FUJIFILM, Olympus and Panasonic TTL autoflash system. 

    • Wireless control:

 with built-in Godox 2.4G wireless X system to achieve TTL control. It can also be used to 

      wirelessly adjust flash power level and trigger the flash through the wireless control port. 
      AD400Pro has 3.5mm sync cord jack to achieve various sync triggering mode.

    • Dot-matrix LCD panel:

 with clear and convenient operation.

    • Studio quality light:

 up to 400Ws, GN 72 (m ISO 100, with high-efficiency standard reflector). 

Foreword

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Do not disassemble. Should repairs become necessary, this product must be sent to an authorized 
maintenance center.

Always keep this product dry. Do not use in rain or in damp conditions.

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.

Keep out of reach of children.

Turn off the flash unit immediately in the event of malfunction.

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°C

.

Otherwise the electronic parts 

may be damaged.

Warning

Summary of Contents for WITSTRO AD400Pro

Page 1: ...A4栋 Building A4 Xinhe Huafa Industrial Zone Fuzhou RD West Fuyong Town Baoan District Shenzhen 518103 China 电话 Tel 86 755 29609320 8062 传真 Fax 86 755 25723423 邮箱 E mail godox godox com http www godox com 深圳市神牛摄影器材有限公司 GODOX Photo Equipment Co Ltd Made In China All in One Outdoor Flash 一体式外拍闪光灯 AD400 ...

Page 2: ...e power output power adjusts from full power 1 256 to 1 1 in 25 steps Advanced functions 1 8000s high speed sync flash multi flash high speed sync triggering etc Compatible wireless TTL system with built in Godox 2 4G wireless X system AD400Pro is compatible with Canon Nikon Sony FUJIFILM Olympus and Panasonic TTL autoflash system Wireless control with built in Godox 2 4G wireless X system to achi...

Page 3: ...o 2 4G Transmission Wireless Settings Setting the Communication Channel Setting the Communication Group Wireless Flash Shooting C Fn Setting Custom Functions Modeling Lamp Other Applications Sync Triggering Protection Function Technical Data Troubleshooting Firmware Upgrade Maintenance Contents 23 24 27 30 30 30 30 31 31 31 32 32 33 34 36 37 40 41 41 42 43 44 44 44 25 26 Conventions used in this M...

Page 4: ...Select Dial SET Set Button Test Button Flash Ready Indicator Wireless Selection Button Accessory Mount Tube Socket Modeling Lamp LED Light Sensor CH 1 TTL A 0 3 10 H High Speed Sync Button Bracket Locking Ring Socket for Portable Flash Head Battery Indicator Button Accessory Locking Ring Type C USB Port 3 5mm Sync Cord Jack Mounting Bracket Lithium Battery Battery Locking Ring Handle Fixed Part Ha...

Page 5: ...luded Accessories CH 1 Multi A OFF 1 256 5 5 Hz M A 1 256 S2 OFF Multi A OFF 1 256 5 5 Hz t 1 1 10100 M A 10 1 256 S1 S2 M Manual flash Manual flash output Flash duration Multi Stroboscopic flash Number of flashes Flash frequency Radio transmission wireless shooting Firing group Channel 4 Optical transmission wireless shooting Note To avoid damage please detach the flash tube during the transporta...

Page 6: ... on C Fn STANDBY Battery Level Indication Attach the battery pack to the flash correctly Be aware of the battery level by check the battery level indication on the LCD panel when using Note The indications are almost the same except of grids shift 3 grids 2 grids 1 grid Blank grid Low battery and charging reminder 1 red grid 3 green grids 1 red grid 2 green grids 1 red grid 1 green grid 1 red grid...

Page 7: ...er to calculate the correct exposure for the subject and the background Press MODE Mode Selection Button and three flash modes will display on the LCD panel one by one with each pressing TTL Mode Press MODE Mode Selection Button to enter TTL mode The LCD panel will display TTL FEC Flash Exposure Compensation With FEC function this flash can adjust from 3 to 3 in 1 3rd stops It is useful in situati...

Page 8: ...a tripod and a remote control is recommended A flash output of 1 1 and 1 2 cannot be set for stroboscopic flash Stroboscopic flash can be used with buLb If the number of flashes is displayed as the firing will continue until the shutter closes or the battery is exhausted The number of flashes will be limited as shown by the following table Maximum Stroboscopic Flashes 1 4 1 8 1 16 1 32 1 64 1 128 ...

Page 9: ...elect Dial to choose a 2 channel ID from 1 to 32 Press the SET button to 3 confirm AD400Pro adopts Godox 2 4G wireless X system which has good compatibility with other products of our company As a slave unit AD400Pro is automatically compatible with Canon E TTL II Nikon i TTL Sony Olympus Panasonic and FUJIFILM system according to the master unit As a slave unit AD400Pro can be controlled by the f...

Page 10: ...ed as second curtain Use UNITS in combination with ALT UNITS sets the total number of flashes ALT sets the triggering times before flash s firing 7 levels off Choose from 01 to 99 ON OFF Reset COLOR SLAVE MODEL STANDBY LIGHT UNITS ALT LCD ID BEEP RESET M Non high speed mode 3 3 OFF 01 99 ON OFF NO YES Wireless mode NO Delay flash A B A B C 1 Disturbed by the 2 4G signal in outer environment e g wi...

Page 11: ...and PROP Short press the Modeling Lamp Button and the three mode will be displayed on the LCD panel in sequence 1 OFF the modeling lamp is off 2 Percentage 10 100 to prevent overheat 30 the fan rotates in low speed while 30 in high speed 3 PROP The modeling lamp s power changes with the flash s power The bigger power the flash has the brighter the modeling lamp is to prevent overheat 1 64 the fan ...

Page 12: ...ures or was wetted do not use it until it is repaired by professionals Changes made to the specifications or designs may not be reflected in this manual Maintenance Firmware Upgrade Technical Data Model Wireless Slave Unit Mode Flash Mode Guide No m ISO 200 Flash Duration POWER Power Output Stroboscopic Flash Flash Exposure Compensation FEC Sync mode Delay Flash Mask Fan Beeper Modeling Lamp LED O...

Page 13: ...terference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television rece...

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