Godox XProO TTL Wireless Flash Trigger

Foreword

Thank you for purchasing the Godox XProO wireless flash trigger. This wireless flash trigger is suitable for using Olympus & Panasonic cameras to control Godox flashes with X system (e.g., camera flash, outdoor flash, and studio flash). Featuring multi-channel triggering, stable signal transmission, and sensitive reaction, it gives photographers unparalleled flexibility and control over their strobist setups. The flash trigger applies to hotshoe-mounted Olympus & Panasonic series cameras, as well as cameras with PC sync sockets. With the XProO wireless flash trigger, high-speed synchronization is available for most camera flashes in the market that support TTL. The max flash synchronization speed is up to 1/8000s*.

* 1/8000s is achievable when the camera has a max camera shutter speed of 1/8000s.

Warning

• 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.
• Keep out of reach of children.
• Do not use the flash unit in the presence of flammable gas. In certain circumstances, please pay attention to the relevant warnings.
• Do not leave or store the product if the ambient temperature reads over 50℃.
• Turn off the flash trigger immediately in the event of malfunction.
• Observe precautions when handling batteries:
  • Use only batteries listed in this manual. Do not use old and new batteries or batteries of different types at the same time.
  • Read and follow all warnings and instructions provided by the manufacturer.
  • Batteries cannot be short-circuited or disassembled.
  • Do not put batteries into a fire or apply direct heat to them.
  • Do not attempt to insert batteries upside down or backwards.
  • Batteries are prone to leakage when fully discharged. To avoid damage to the product, be sure to remove batteries when the product is not used for a long time or when batteries run out of charge.
  • Should liquid from the batteries come into contact with skin or clothing, rinse immediately with fresh water.

Names of Parts

Body

• Group Button 1
• Group Button 2
• Group Button 3
• Group Button 4
• Group Button 5
• Function Button 1
• Function Button 2
• MODE/LOCK Mode Selection/Locking Button
• TEST/Shutter Button
• Select Dial
• Battery Compartment
• Type-C USB Port
• 2.5mm Sync Cord Jack
• Hot Shoe Camera Connection

LCD Panel

LCD Panel Layout

The LCD panel displays various information and settings. Key elements include:

• 1. Channel (32): Displays the current channel.
• 2. Camera Connection: Indicates camera connection status.
• 3. Modeling Lamp Master Control: Controls the modeling lamp.
• 4. High-Speed: Indicates High-Speed Sync status.
• 5. Sound: Indicates beeper status.
• 6. Battery Level Indication: Shows remaining battery power.
• 7. Group: Displays the current group (A-E or 0-F).
• 8. Mode: Shows the current flash mode (e.g., TTL, M, Multi).
• 9. Power: Displays power output level.
• 10. Group's Modeling Lamp: Controls modeling lamp for specific groups.
• 11. ZOOM Value: Displays the lens zoom range or manual zoom setting.
• 12. Icons of Function Button: Indicates functions assigned to buttons.
• 13. C.Fn Menu: Accesses custom function settings.
• 14. Version: Displays the firmware version.

LCD Panel Displays Examples

The LCD panel can show different information depending on the mode:

• (1) Multi Groups Display: Shows multiple groups (A, B, C, D, E) with their respective settings.
• (2) Single Group Display: Focuses on the settings for a single selected group.
• (3) Menu: Displays the main menu or custom function (C.Fn) menus.
• (4) Multi Groups' ZOOM Display: Shows zoom settings for multiple groups.

• Status Indicator Lamp:
  • Green: Trigger (Flash) + Focus (Camera)
  • Red: Trigger (Flash) + Shutter (Camera)
• AF Assist Beam Switch:
  • ON: AF Assist Beam outputs.
  • OFF: AF Assist Beam does not output.
• Power Switch:
  • ON: Power On.
  • OFF: Power Off.
• AF-assist Lamp: Emits light to aid camera focusing in low light.

Battery

AA alkaline batteries are recommended.

Installing Batteries

As shown in the illustration, slide the battery compartment lid of the flash trigger and insert two AA batteries separately.

Battery Level Indication

Check the battery level indication on the LCD panel to see the remaining battery level during usage.

Note: The battery indication only refers to AA alkaline batteries. As the voltage of Ni-MH battery tends to be low, please do not refer to this chart.

Using the Flash Trigger

1. As a Wireless Camera Flash Trigger

Example: TT685N

1. Turn off the camera and mount the transmitter on the camera's hotshoe. Then, power on the flash trigger and the camera.
2. Long press the Zm/CH button to set channel, group, mode, and parameters (refer to the "Setting the Flash Trigger" section).
3. Turn on the camera flash, press the wireless setting button (?) and the wireless icon (?) and ? slave unit icon will be displayed on the LCD panel. Press the CH button to set the same channel to the flash trigger, and press the Gr button to set the same group to the flash trigger (Note: please refer to the relevant instruction manual when setting camera flashes of other models).
4. Press the camera shutter to trigger, and the status lamp of the flash trigger turns red synchronously.

2. As a Wireless Outdoor Flash Trigger

Example: AD600B

1. Turn off the camera and mount the transmitter on the camera's hotshoe. Then, power on the flash trigger and the camera.
2. Long press the Zm/CH button to set channel, group, mode, and parameters (refer to the "Setting the Flash Trigger" section).
3. Power on the outdoor flash and press the wireless setting button (?) and the wireless icon (?) will be displayed on the LCD panel. Long press the GR/CH button to set the same channel to the flash trigger, and short press the GR/CH button to set the same group to the flash trigger (Note: please refer to the relevant instruction manual when setting outdoor flashes of other models).
4. Press the camera shutter to trigger, and the status lamp of the flash trigger turns red synchronously.

3. As a Wireless Studio Flash Trigger

Example: GS400II

1. Turn off the camera and mount the transmitter on the camera's hotshoe. Then, power on the flash trigger and the camera.
2. Long press the Zm/CH button to set channel, group, mode, and parameters (refer to the "Setting the Flash Trigger" section).
3. Connect the studio flash to a power source and power it on. Synchronously press down the GR/CH button and S1/S2 button, and the wireless icon (?) will be displayed on the LCD panel. Long press the GR/CH button to set the same channel to the flash trigger, and short press the GR/CH button to set the same group to the flash trigger (Note: please refer to the relevant instruction manual when setting studio flashes of other models).
4. Press the camera shutter to trigger. The status lamp of the camera flash and the flash trigger both turn red synchronously.

Note: As the studio flash's minimum output value is 1/32, the output value of the flash trigger should be set to or over 1/32. As the studio flash does not have TTL and stroboscopic functions, the flash trigger should be set to M mode in triggering.

4. As a Flash Trigger with 2.5mm Sync Cord Jack

Operation method:

1. The connection method please refers to the contents of "As a Wireless Studio Flash Trigger" and "As a Wireless Shutter Release".
2. Press the shutter normally, and the flashes will be controlled by the sync cord jack's signal.

Setting the Flash Trigger

Power Switch

Slide the Power Switch to ON. The device is on, and the status indicator lamp will not reveal. Note: In order to avoid power consumption, turn off the transmitter when not in use.

Automatically Enter Power Saving Mode

1. The system will automatically enter standby mode after 90 seconds of inactivity. The displays on the LCD panel will disappear.
2. Press any button to wake up. If the flash trigger is attached to the hotshoe of a Nikon camera, half-pressing the camera shutter can also wake the system up.

Note: If you do not want to enter power saving mode, press the MENU button to enter C.Fn custom settings and set STBY to OFF.

Power Switch of AF Assist Beam

Slide the AF assist beam switch to ON to allow AF lighting output. The AF assist beam turns on when the camera cannot focus and turns off when the camera can focus.

Channel Setting

1. Long press the Zm/CH button to select the channel.
2. Turn the select dial to choose the appropriate channel. Press the SET button again to confirm the setting.
3. This flash trigger contains 32 channels, changeable from 1 to 32. Set the transmitter and receiver to the same channel before usage.

Wireless ID Settings

Change the wireless channels and wireless ID to avoid interference. Triggering is only possible after the wireless IDs and channels of the master unit and slave unit are set to the same. Press the MENU button to enter C.Fn ID. Press the SET button to choose OFF channel expansion shutdown, and select any figure from 01 to 99. Note: As current Godox flashes do not have wireless ID setting functions, please set ID to OFF.

Mode Setting

1. Short press the MODE button to change the mode of the current group.
2. Set the groups to five groups (A-E):
   • When displaying multiple groups, press the MODE button to switch the multi-group mode to MULTI mode. Press the group selection button to set the MULTI mode to ON or OFF.
   • When displaying multiple groups, press the group selection button or the MODE button in one-group mode. The modes for groups A, B, and C will change in the order of TTL/M/--. Groups D and E will change in M/-- mode.
3. When setting the group to 16 groups (0-F), only manual mode M is available.
4. Long press the MODE button for 2 seconds until "LOCKED" is displayed on the bottom of the LCD panel, indicating the screen is locked and no parameters can be set. Long press the MODE button again to unlock.

Magnification Function

Switch between multi-group and one-group mode. In multi-group mode, choose a group and press the TCM button to magnify it to one-group mode. Press the TCM button again to return to multi-group.

Output Value Settings

Multi-group displays in M mode

1. Press the group button to choose the group. Turn the select dial, and the power output value will change from Min to 1/1 in 0.3 stop increments. Press the SET button to confirm the setting.
2. Press the ALL button to choose all groups' power output value. Turn the select dial, and all groups' power output value will change from Min to 1/1 in 0.3 stop increments. Press the ALL button again to confirm the setting.

One-group displays in the M mode

Turn the select dial, and the group's power output value will change from Min to 1/1 in 0.3 stop increments.

Note: Min. refers to the minimum value that can be set in M or Multi mode. The minimum value can be set to 1/128 or 1/256 according to C.Fn-Min. For most camera flashes, the minimum output value is 1/128 and cannot be set to 1/256. However, the value can change to 1/256 when used in combination with Godox strong power flashes (e.g., AD600, etc.).

Flash Exposure Compensation Settings

Multi-group displays in TTL mode

1. Press the group button to choose the group. Turn the select dial, and the FEC value will change from -3 to ~3 in 0.3 stop increments. Press the SET button to confirm the setting.
2. Press the ALL button to choose all groups' FEC value. Turn the select dial, and all groups' FEC value will change from -3 to ~3 in 0.3 stop increments. Press the ALL button again to confirm the setting.

One-group displays in the TTL mode

Turn the select dial, and the group's power output value will change from -3 to ~3 in 0.3 stop increments.

Note: The FEC value displayed on the XProO will not be displayed on the flash under its control. As the FEC values of XProO and flash are two different values, the output value is the total FEC value of XProO and flash (for example, if XProO's FEC value is -2 while the flash's FEC value is +3, then the flash output is +1.).

Multi Flash Settings (Output Value, Times and Frequency)

1. In multi flash mode (TTL and M icons are not displayed).
2. The three lines are separately displayed as power output value, Times (flash times), and Hz (flash frequency).
3. Turn the Select Dial to change the power output value from Min. to 1/4 in integer stops.
4. Short press the Times button to change flash times. Turn the select dial to change the setting value.
5. Short press the Hz button to change flash frequency. Turn the select dial to change the setting value.
6. Until all amounts are set. Or during any value setting, short press the MODE button to exit the setting status. No values will blink.
7. In the multi flash setting submenu, short press the MODE button to return to the main menu when no values are blinking.

Note: As flash times are restricted by flash output value and flash frequency, the flash times cannot surpass the upper value permitted by the system. The times transmitted to the receiver end are real flash times, which are also related to the camera’s shutter setting.

Modeling Lamp Settings

1. When displaying multiple groups, press the MOD button to control the ON/OFF of the modeling lamp.
2. Press the group button to choose the group when displaying multiple groups, or when displaying one-group, press the MOD button to control the ON/OFF of the modeling lamp (Note: Models that can use one-group ON/OFF the modeling lamp include: AD600Pro, GSII, SKII, QSII, QDII, DEII, DPII series, etc. The outdoor flash AD200 and AD600 can use this function after upgrade. New arrivals with modeling lamps can also use this function.).

ZOOM Value Settings

Short press the Zm/CH button, and the ZOOM value will be displayed on the LCD panel. Choose the group and turn the select dial; the ZOOM value will change from AUTO/24 to 200. Choose the desired value and press the Zm/CH button again to return to the main menu. Note: The flash’s ZOOM should be set to Auto (A) mode before responding.

Shutter Sync Settings

1. High-speed sync: Press the SYNC button. The ⚡ icon is displayed on the LCD panel. Press the OK button on Olympus or MENU button on Panasonic camera to enter Flash Mode and choose Fill-flash. Then, set the camera shutter.
2. Press the OK button on Olympus camera or MENU button on Panasonic camera to set second-curtain mode. Set the camera shutter after the mode is displayed.

Buzz Settings

Press the MENU button to enter C.Fn BEEP and press the SET button. Choose ON to turn on the BEEP, or OFF to turn it off. Press the MENU button again to return to the main menu.

Sync Socket Settings

1. Press the MENU button to enter C.Fn SYNC and press the SET button to choose IN or OUT. Press the MENU button again to return to the main menu.
• When choosing IN, this sync socket will enable XProO to trigger the flash.
• When choosing OUT, this sync socket will send trigger signals to trigger other remote controls and flashes.

TCM Function

The TCM transform function is a particular function owned by Godox: It transforms the TTL flash value into the power output value in M mode.

1. Set the flash trigger to TTL mode and attach it to the camera. Press the shutter for shooting.
2. Long press the TCM button. The flash value in TTL mode will transform into power output value in M mode (the displayed minimum value is the set Min. value).
3. Please refer to the C.Fn setting custom functions to see the flash models which are compatible with TCM functions. Note: Please choose the relevant models in TCM function in C.Fn custom settings according to your own flash.

SHOOT Function Settings

Press the MENU button to enter C.Fn SHOOT. Press the SET button to choose one-shoot or multi-shoots, and press the MENU button again to return to the main menu.

• One-shoot: When shooting, choose one-shoot. In M and Multi mode, the master unit only sends triggering signals to the slave unit, which is suitable for one-person photography for the advantage of power saving.
• Multi-shoots: When shooting, choose multi-shoots. The master unit will send parameters and triggering signals to the slave unit, which is suitable for multi-person photography. However, this function consumes power quickly.
• APP: Only send triggering signal when the camera is shooting (control the flash's parameters by smartphone APP).

C.Fn: Setting Custom Functions

The following table lists the available and unavailable custom functions of this flash.

Compatible Models

Compatible Flash Models

Note: The range of support functions: the functions that are both owned by XProO and flash.

Relationship of XT Wireless System and X1 Wireless System

The XT wireless system and X1 wireless system have different configurations for channel selection. For XT-16, code switches are used, while for X1, a display screen shows channels CH01-CH16.

Compatible Camera Models

This flash trigger can be used on the following Olympus/Panasonic series camera models:

Olympus: PEN-F, E-P3, E-P5, E-PL5, E-PL6, E-PL7, E-PL8, E-M1, E-M10II

Panasonic: DMC-G85, DMC-GH4, DMC-GF1, DMC-GX85, DMC-LX100, DMC-FX2500GK

1. This table only lists the tested camera models, not all Olympus/Panasonic series cameras. For the compatibility of other camera models, a self-test is recommended.

2. Rights to modify this table are retained.

Technical Data

Model: XProO

Additional Technical Data

Restore Factory Settings

Synchronously press the two function buttons in the middle. The restore factory settings are finished when "RESET" is displayed on the LCD panel.

Firmware Upgrade

This flash trigger supports firmware upgrade through the Type-C USB port. Update information will be released on our official website.

Note: A USB connection line is not included in this product. As the USB port is a Type-C USB socket, please use a Type-C USB connection line. As the firmware upgrade needs the support of Godox G2 software, please download and install the "Godox G2 firmware upgrade software" before upgrading. Then, choose the related firmware file.

Attentions

As the product needs firmware upgrade, please refer to the instruction manual of the newest electric version as final.

Troubleshooting: Unable to Trigger Flash or Camera Shutter

1. Make sure batteries are installed correctly and the Power Switch is turned on.
2. Check if the transmitter and receiver are set to the same channel.
3. Ensure the hotshoe mount or connection cable is well connected.
4. Verify that the flash triggers are set to the correct mode.

Troubleshooting: Camera Shoots but Does Not Focus

Check if the focus mode of the camera or lens is set to MF. If so, set it to AF.

Troubleshooting: Signal Disturbance or Shooting Interference

Change to a different channel on the device.

The Reason & Solution of Not Triggering in Godox 2.4G Wireless

1. Disturbed by 2.4G signal in the environment (e.g., wireless base station, 2.4G wifi router, Bluetooth, etc.): Adjust the channel CH setting on the flash trigger (add 10+ channels) and use a channel that is not disturbed. Alternatively, turn off other 2.4G equipment in use.
2. Flash recycle or continuous shooting speed: Ensure the flash has finished its recycle or caught up with the continuous shooting speed (the flash ready indicator is lighten) and is not under over-heat protection or other abnormal situations. Please downgrade the flash power output. If the flash is in TTL mode, try changing it to M mode (a preflash is needed in TTL mode).
3. Distance between flash trigger and flash: If the distance is too close or not optimal, please turn on the "close distance wireless mode" on the flash trigger (<0.5m) or set the C.Fn-DIST to 0-30m.
4. Low battery states: Replace the batteries. The flash trigger is recommended to use 1.5V disposable alkaline batteries.

Caring for Flash Trigger

• Avoid sudden drops: The device may fail to work after strong shocks, impacts, or excess stress.
• Keep dry: The product is not water-proof. Malfunction, rust, and corrosion may occur and go beyond repair if soaked in water or exposed to high humidity.
• Avoid sudden temperature changes: Condensation can happen during sudden temperature changes (e.g., taking the transceiver from a warm building to the cold outside in winter). Please put the transceiver in a handbag or plastic bag beforehand.
• Keep away from strong magnetic fields: Strong static or magnetic fields produced by devices such as radio transmitters can lead to malfunction.

Statement

A. 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.

B. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

C. 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.