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FCC 

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 could void the user's 
authority to operate the equipment. 

Note: 

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to 

part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference 
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 reception, which can be determined by turning the equipment off 
and on, the user is encouraged to try to correct the interference by one or more of the following measures: 
 

-Reorient or relocate the receiving antenna. 

 

-Increase the separation between the equipment and receiver. 

 

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 

 

-Consult the dealer or an experienced radio/TV technician for help. 

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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