1. Rhagymadrodd
The Godox AD400Pro TTL Studio Flash is a versatile and powerful outdoor flash unit designed for professional photographers. It integrates a built-in 2.4G wireless X system, high-speed sync (HSS), and a robust lithium battery, offering portability and consistent performance for various shooting environments. This manual provides detailed instructions for the safe and effective use of your AD400Pro flash.
Mae nodweddion allweddol yn cynnwys:
- 400Ws high power output with stable color temperature.
- Built-in Godox 2.4G wireless X system for comprehensive compatibility with Canon E-TTL II, Nikon i-TTL, Sony, FUJIFILM, Olympus, and Panasonic TTL autoflash systems.
- High-Speed Sync up to 1/8000s.
- Fast recycle time of 0.01-1 seconds.
- Powerful 21.6V/2600mAh lithium battery providing approximately 390 full power flashes.
- 30W LED modelu lamp.
- Bowens mount compatibility for a wide range of accessories.
2. Rhagofalon Diogelwch
Please read and understand all safety instructions before using this product to prevent injury to yourself or others and damage to the product.
- Do not disassemble or modify this product. If the product fails, it must be repaired by an authorized maintenance center.
- Cadwch y cynnyrch hwn yn sych. Peidiwch â'i drin â dwylo gwlyb na'i drochi mewn dŵr.
- Peidiwch â defnyddio'r uned fflach ym mhresenoldeb nwyon fflamadwy, cemegau, neu ddeunyddiau eraill. Mewn rhai amgylchiadau, gall y deunyddiau hyn fod yn sensitif i'r golau cryf a allyrrir o'r uned fflach hon, a gall tân neu ymyrraeth electromagnetig ddeillio o hynny.
- Do not leave or store the flash unit in environments with high temperatures, such as in a vehicle on a hot day.
- Peidiwch â thanio'r fflach yn uniongyrchol i lygaid (yn enwedig llygaid babanod) o fewn pellteroedd byr. Fel arall, gall nam ar y golwg ddigwydd.
- Defnyddiwch y batri a'r gwefrydd penodedig yn unig.
- Ensure the product is securely mounted when in use to prevent accidental drops.
- Tynnwch y plwg o'r llinyn pŵer pan nad yw'n cael ei ddefnyddio neu cyn glanhau.
3. Beth sydd yn y Bocs
Gwiriwch fod yr holl eitemau yn bresennol yn eich pecyn:
- 1 * Godox AD400Pro Flash Unit
- 1 * Bag Cario
- 1 * Flash Tube
- 1 * Lithium Battery (21.6V/2600mAh)
- 1 * Gwefrydd Batri
- 1 * Cord Pŵer
- 1 * Standard Reflector
- 1 * Llawlyfr Defnyddiwr
- 1 * Bowens-Mount Adapter Ring
4. Cynnyrch Drosview
Familiarize yourself with the components and controls of your AD400Pro flash unit.

Figure 4.1: AD400Pro Flash Unit with Labeled Components
Cydrannau Allweddol:
- Tiwb Fflach: The light-emitting element.
- Modelu L.amp: A continuous LED light for previeweffeithiau goleuo.
- Arddangosfa LCD: Shows current settings, modes, and battery status.
- Panel Rheoli: Buttons and dial for adjusting settings.
- Adran Batri: Houses the lithium battery.
- Braced Mowntio: For attaching the flash to a light stand.
- Mynydd Bowens: Standard mount for attaching light modifiers.
- Porth USB Math-C: Ar gyfer uwchraddio firmware.
- Jac Cord Sync 3.5mm: Ar gyfer sbarduno gwifrau.
Botymau Rheoli:
- Newid Pwer: Yn troi'r uned ymlaen / i ffwrdd.
- Botwm Dewis Modd: Yn cylchdroi trwy ddulliau fflach (TTL, Llawlyfr, Aml).
- Botwm Dewis Di-wifr: Activates/deactivates wireless function.
- Group/Channel Button: Sets wireless groups and channels.
- Dewiswch Deialu: Yn llywio bwydlenni ac yn addasu gwerthoedd.
- Botwm Gosod: Yn cadarnhau dewisiadau.
- Botwm Dewislen: Yn cyrchu gosodiadau system.
- Botwm Prawf: Yn tanio fflach prawf.
- Modelu L.amp botwm: Yn rheoli'r modelu lamp.
- High Speed Sync Button: Activates HSS mode.
5. Gosod
5.1 Attaching the Flash Tube
- Align the pins on the flash tube with the sockets on the flash head.
- Gwthiwch y tiwb fflach yn ysgafn i'w le nes ei fod yn clicio'n ddiogel.

Figure 5.1: Flash Tube Installation
5.2 Mewnosod y Batri
- Agorwch y clawr adran batri.
- Insert the lithium battery, ensuring the contacts align correctly.
- Close the battery compartment cover until it locks.

Figure 5.2: Lithium Battery
5.3 Gosod ar Stand Golau
- Loosen the bracket locking ring on the flash unit's mounting bracket.
- Slide the mounting bracket onto the light stand stud.
- Tighten the bracket locking ring to secure the flash unit.
5.4 Gosod Addasyddion Golau
The AD400Pro features a Bowens mount for attaching various light modifiers.
- Align the modifier's mounting tabs with the slots on the Bowens mount adapter ring.
- Mewnosodwch yr addasydd a'i gylchdroi'n glocwedd nes ei fod yn cloi yn ei le.
- To remove, press the release button on the adapter ring and rotate counter-clockwise.

Figure 5.3: AD400Pro with Reflector
6. Cyfarwyddiadau Gweithredu
6.1 Pŵer Ymlaen/Diffodd
Press the Power Switch to turn the flash unit on or off.
6.2 Modd Flash
Press the Mode Selection Button to cycle through the available flash modes:
- Modd TTL (Trwy'r Lens): The flash output is automatically adjusted by the camera's metering system.
- Modd Llawlyfr (M): Allows manual control over flash power output (e.g., 1/1 to 1/256).
- Modd Aml (Strobosgopig): Yn tanio cyfres o fflachiadau cyflym yn ystod un amlygiad i dynnu lluniau lluosog o bwnc symudol.

Figure 6.1: TTL Auto Exposure in use
6.3 Gweithrediad System Di-wifr X
The AD400Pro features a built-in 2.4G wireless X system for remote control and triggering.
- Swyddogaeth Meistr/Caethwas: The AD400Pro can act as a master or slave unit. When used as a slave, it can be triggered by Godox TTL camera flashes or other Godox outdoor TTL flashes.
- Cydnawsedd: Compatible with Godox X1T, X2T, XPro, and XProII series triggers (sold separately) for Canon, Nikon, Sony, Fuji, Panasonic, Olympus, and Pentax systems.
- Setting Groups and Channels: Use the Group/Channel button and Select Dial to set the desired group and channel for wireless communication. Ensure your trigger and flash are set to the same group and channel.

Figure 6.2: Godox 2.4G Wireless System Compatibility
6.4 Sync Cyflymder Uchel (HSS)
Press the HSS button to activate High-Speed Sync mode, allowing you to shoot at shutter speeds up to 1/8000s. This is useful for freezing fast motion or overpowering ambient light.

Figure 6.3: High-Speed Continuous Shooting
6.5 Iawndal Amlygiad Fflach (FEC)
In TTL mode, you can adjust the flash exposure compensation from -3 to +3 in 1/3rd stop increments using the Select Dial. This allows for fine-tuning of flash output based on environmental conditions or creative intent.
6.6 Modelu L.amp
Pwyswch y Modelu L.amp Button to turn the 30W LED modeling lamp on or off. The modeling lamp helps visualize the light's effect on your subject before firing the flash.
6.7 Dewisiadau Cyflenwad Pŵer
The AD400Pro can be powered by its included lithium battery or an optional AC adapter (Godox AD-AC, sold separately) for continuous studio use.

Figure 6.4: Dual Power Methods (Battery and AC Adapter)
7. cynnal
7.1 Glanhau
Clean the flash unit regularly with a soft, dry cloth. Do not use solvents or abrasive cleaners. For the flash tube, use a clean, lint-free cloth to gently wipe away any dust or fingerprints.
7.2 Gofal Batri
- It is recommended to recharge the battery at regular intervals, even if not fully discharged. Do not wait for the battery to be completely depleted before recharging.
- If the battery cannot be recharged due to prolonged inactivity, press the button on the right side of the indicator several times to activate the battery.
- Storiwch y batri mewn lle oer, sych i ffwrdd o olau haul uniongyrchol a thymheredd eithafol.
7.3 Storio
When not in use for extended periods, remove the battery from the flash unit and store both in a protective case in a cool, dry environment.
8. Datrys Problemau
If you encounter issues with your AD400Pro flash, refer to the following common problems and solutions:
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Nid yw'r fflach yn tanio. | Low battery; incorrect wireless settings; flash not powered on; camera not triggering. | Charge the battery; check wireless channel/group; ensure flash is on; check camera flash settings and trigger connection. |
| Batri ddim yn codi tâl. | Charger not connected; battery deeply discharged; faulty battery/charger. | Ensure charger is properly connected; press the battery activation button if inactive for long periods; contact support if issue persists. |
| Allbwn fflach anghyson. | Low battery; flash overheating; incorrect mode/settings. | Charge battery; allow flash to cool down; verify flash mode and power settings. |
| Nid yw'r sbardun diwifr yn gweithio. | Incorrect channel/group; trigger battery low; distance too far. | Match channel/group on flash and trigger; replace trigger battery; reduce distance between trigger and flash. |
Os yw'r broblem yn parhau ar ôl rhoi cynnig ar yr atebion hyn, cysylltwch â chymorth cwsmeriaid Godox.
9. manylebau
| Nodwedd | Manyleb |
|---|---|
| Brand | DDUW |
| Rhif Model | AD400Pro (LW-AD400Pro) |
| Allbwn Pwer | 400Wau |
| Rhif Canllaw | GN72 (m) |
| Cyflymder Sync Flash | Hyd at 1/8000e (HSS) |
| Tymheredd Lliw | 4800K (±75K over entire power range in color temperature mode) |
| Batri | Batri Lithiwm 21.6V / 2600mAh |
| Fflachiadau Pwer Llawn | Tua. 390 |
| Amser Ailgylchu | 0.01-1s |
| Dimensiynau (D x H) | 12.8P x 12.8H centimeters (without flash tube and reflector) |
| Pwysau | 2.1 kg (without flash tube and reflector) |
| Mowntiau Cydnaws | Bowens Mount (via adapter ring), ISO Mount, Sony, Fujifilm, Canon, Nikon, Screw Mount |
| Technoleg Di-wifr | 2.4G RF |
| Rhyngwyneb | USB Type-C (for firmware upgrade), 3.5mm Sync Cord Jack |
| Math o Reoli Amlygiad | Awtomatig |
| Ystod ISO | ISO 100-6400 |
10. Gwarant a Chefnogaeth
10.1 Gwybodaeth Gwarant
The Godox AD400Pro TTL Studio Flash comes with a 365-day warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.
10.2 Cefnogaeth i Gwsmeriaid
For technical assistance, troubleshooting beyond this manual, or warranty service, please contact your authorized Godox dealer or visit the official Godox websafle ar gyfer gwybodaeth gyswllt cymorth.