Godox AD400Pro Witstro All-in-One Outdoor Flash - Manual (Page 12)

High-speed sync (up to 1/8000 seconds), first-curtain sync, and second-curtain sync
- 43 - - 44 -
If there is a problem, refer to this Troubleshooting Guide.
The flash exposure is underexposed or overexposed.
● You 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 TTL or modify the flash output.
This flash supports firmware upgrade through the USB port. Update information will be released on our
official website.
● USB connection line is not included in this product. As the USB port is a Type-C USB socket, please use the
Type-C USB line.
● As the firmware upgrade needs the support of Godox G3 software, please download and install the "Godox G3
firmware upgrade software" before upgrading. Then, choose the related firmware file.
● As the products needs to do firmware upgrade, please refer to instruction manual of the newest electric version
as final.
Troubleshooting
● Shut down the device immediately should abnormal operation be detected.
● Avoid sudden impacts and the product should be dedusted regularly.
● It is normal for the flash tube to be warm when in use. Avoid continuous flashes if unnecessary.
● Maintenance of the flash must be performed by our authorized maintenance department which can provide original
accessories.
● This product, except consumables e.g. flash tube, is supported with a one-year warranty.
● Unauthorized service will void the warranty.
● If the product had failures 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)
Optical Slave Flash
Flash Duration Indication
Display
• Wireless Flash (2.4G wireless transmission)
Wireless Flash Function
Controllable Slave Groups
Transmission Range (approx.)
Channels
Wireless ID
• Power Supply
Power Supply
Full Power Flashes
Recycle Time
Battery Indicator
Power Indication
• Sync Triggering Mode
• Color Temperature
• Stable Color Temperature Mode
• Dimensions
Dimension (with battery)
Net Weight (with battery)
AD400Pro
Radio transmission mode (compatible with Canon E-TTL II, Nikon i-TTL,
Sony, Olympus, Panasonic and FUJIFILM).
Wireless off
Slave unit of radio transmission
72 (m ISO 100, with high-efficiency standard reflector)
1/230 to 1/12340 seconds (T0.1)
400Ws
9 steps: 1/256~1/1
Provided (up to 100 times, 100Hz)
Manual. Feb: ±3 stops in 1/3 stop increments.
0.01~30 Seconds
√
√
√
30W/4800K/TLIC: 93
S1/S2
√
Dot-matrix panel
Slave, Off
5 (A, B, C, D, E)
100m
32 (1~32)
To avoid signal interference effectively, triggering can only be achieved
when the channels and wireless IDs of the master and slave unit are
set to the same.
Lithium battery pack (21.6V/2600mAh)
380
Approx. 0.01-1s
√
Power off automatically after approx. 30~120 minutes of idle operation.
3.5mm sync line
5600±200K
Changes within ±75K in entire power range
220x102x128 mm (flash tube & reflector not included)
2.1 Kg (flash tube & reflector not included)
M/Multi
TTL/M/Multi