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Flash Mode

 

— M: Manual Flash

The flash output is adjustable from 1/1 full power to 1/256th power in 0.1 stop increments. To obtain a correct flash 
exposure, use a hand-held flash meter to determine the required flash output.

Press < 

MODE

 > button so 

1

that < 

M

 > is displayed.

Turn the Select Dial to choose a 

2

desired flash output amount. 

Press < 

SET

 > button again 

3

to confirm the setting.

Press < MENU > button to enter C.Fn-SLAVE to choose S2 function, so that this flash can also function as an 
optical S2 secondary flash with optical sensor in M manual flash mode. This is useful when cameras have pre-flash 
function. With this function, the flash will ignore a single “preflash” from the main flash and will only fire in response 
to the second, actual flash from the main unit.

Optical S1 Secondary Unit Setting

In M manual flash mode, press <MENU> button to enter C.Fn-SLAVE to choose S1 function, so that this flash can 
function as an optical S1 secondary flash with optic sensor. With this function, the flash will fire synchronously when 
the main flash fires, the same effect as that by the use of radio triggers. This helps create multiple lighting effects.

Optical S2 Secondary Unit Setting

● 

S1 and S2 optical triggering is only available in M manual flash mode.

-  33  -

-  34  -

This flash has three flash modes: TTL, Manual (M), and Multi (Stroboscopic). In TTL mode, the camera and the 
flash will work together 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 situations where minor adjusting 
of the TTL system is needed based on the environment. 

Setting FEC:

Press <

SET

> Button and 

1

flash exposure compensation 
amount will be highlighted on 
the LCD panel.

Set the flash exposure compensation 

2

amount.

 Turn the Select Dial to set the 

amount.

 “0.3”means 1/3 step, “0.7”means 2/3 

step.

 To cancel the flash exposure 

compensation, set the amount to 
“+0”.

Press < 

SET 

> button again 

3

to confirm the setting. 

      

High-Speed Sync

High Speed Sync (FP flash) enables the flash to synchronize with all camera shutter speeds. This is convenient 
when you want to use aperture priority for fill-flash portraits.

Please use XPro or X1 series 

2

transmitter.

Press High Speed Sync Button 

1

so that <        

is displayed.

● 

If you set a shutter speed that is the same as or slower than the camera’s maximum flash sync speed, <  

    

  > 

will not be displayed in the viewfinder.

● 

With high-speed sync, the faster the shutter speed, the shorter the effective flash range. 

● 

To return to normal flash, press <  

    

  > button again. Then <  

    

  > will disappear.

● 

Multi flash mode cannot be set in high-speed sync mode.

● 

Over-temperature protection may be activated after 50 consecutive high-speed sync flashes.

Flash Mode — TTL Autoflash

CH

 1

TTL

A

   

+0.3

10

%

CH

 1

TTL

A

   

+0.3

10

%

CH

 1

M

A

10

%

1/

256

+0.1

MENU

MODE

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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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