Godox X2T-O - TTL Wireless Flash Trigger Manual

Foreword

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 the cameras which have PC sync sockets.
With X2T-O wireless flash trigger, high speed synchronization is available for most of camera flashes in the market which 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.

Names of Parts

Body

LCD Panel

1. Channel (32)
2. Camera Connection
3. Modeling Lamp Master Control
4. High-Speed/Rear Curtain Sync
5. Sound
6. Battery Level Indication
7. Group
8. Mode
9. Power
10. ZOOM Value
11. Version

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

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.

Power Switch

Slide the Power Switch to ON, and the device is on and 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

• The system will automatically enter standby mode after stop operating the transmitter over 60 seconds. And the displays on the LCD panel disappear now.
• Press any button to wake up. If the flash trigger is attached to the hot shoe of Olympus & Panasonic camera, half press the camera shutter can also wake the system up.
  Note: If 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, and the AF lighting is allowed to output. The AF assist beam will be lighted when attaching the flash trigger to the camera. And the AF assist beam will be off in camera firing.

Channel Setting

1. Short press the <MENU> button and choose CH to set the channel value.
2. Turn the select dial to choose the appropriate channel. The channel value will be confirmed after exiting the menu.
3. This flash trigger contains 32 channels which can be changed from 1 to 32. Set the transmitter and the receiver to the same channel before usage.

Wireless ID Settings

Change the wireless channels and wireless ID to avoid interference for it can only be triggered after the wireless IDs and channels of the master unit and the 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 choose any figure from 01 to 99.
Note: It can only be used when the slave units have the wireless ID settings functions. If they do not have, please set the ID to OFF.

Mode Setting

1. After pressing the group button to select one group, press the <MODE> button and all the current group's mode will be changed by the order of TTL/M/--.
   
2. In normal situation, press the <MODE> button to switch the multi-group mode to MULTI mode. Press the group selection button and then press the <MODE> button can set the MULTI mode to ON or OFF.
   

Output Value Settings

In the 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 <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 <ALL> button again to confirm the setting.
   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 0.3, 1/256 0.3, 1/128 0.1, 1/256 0.1, 3.0(0.1) and 2.0(0.1) according to C.Fn-Min. For most of 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 using in combination with Godox strong power flashes e.g. AD600, etc.

Flash Exposure Compensation Settings

In the TTL mode
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.

Multi Flash Settings (Output Value, Times and Frequency)

1. In the multi flash (TTL and M icon are not displayed).
2. The three lines are separately displayed as power output value, Hz(flash frequency) and Times(flash times).
3. Press the <SET> button and turn the Select Dial to change the power output value from Min. to 1/4 in integer stops.
4. Press the <SET> button again and choose Hz to change flash frequency. Turn the select dial to change the setting value.
5. Press the <SET> button again and choose Times to change flash times. Turn the select dial to change the setting value.
6. Until all the amounts are set. Or during any value setting, short press the <SET> button to exit the setting status.
7. In the multi flash setting submenu, short press the <MODE> button to return to 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 that permitted by the system. The times that transported to the receiver end are a real flash time, which is also related to the camera's shutter setting.

Modeling Lamp Settings

1. Long press the <MENU> button for 2 seconds to control the ON/OFF of the modeling lamp.

ZOOM Value Settings

Short press the <MENU> button to enter the ZOOM menu. Short press the <SET> button and turn the select dial, and the ZOOM value will change from AUTO/24 to 200. Choose the desired value and back 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: short press the <MENU> button to enter the SYNC menu. Choose high-speed sync icon and is displayed on the LCD panel.
   
2. Press OK button on Olympus camera or MENU button on Panasonic camera to set second-curtain mode. And set camera shutter after 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 while OFF to turn off it. Press the <MENU> button again to back 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 back to the main menu.
   
   1. When choosing IN, this sync socket will enable X2T-O to trigger flash.
   2. When choosing OUT, this sync socket will send trigger signals to trigger other remote control and flash.

SHOOT Function Settings

Press the <MENU> button to enter C.Fn SHOOT. Press the <SET> button to choose one-shoot or multishoots, and press the <MENU> button again to back to the main menu.
One-shoot: When shooting, choose one-shoot. In the 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, and 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 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.

Custom Function	Function	Setting Signs	Settings and Description
SYNC	Shutter sync setting		Front curtain
			High speed
BLUE.T.	Bluetooth status setting	OFF	Off
		ON	On
BEEP	Beeper	ON	On
		OFF	Off
ZOOM	ZOOM setting	24	AUTO/24-200
SCAN	Scan the spare channel	OFF	Off
		START	Start to find the spare channel
CH	Wireless	01	01-32
ID	Channel setting Wireless ID	OFF	Off
		01-99	Choose any figure from 01-99 (the old version flashes cannot use this function temporarily)
PC SYNC	Sync cord jack	IN	Trigger X2T-O to fire flash
		OUT	Output signal to trigger other remote control and flash
DELAY	Delay setting	OFF	Off
		0.1ms-9.9ms	Set the firing delay in high-speed sync
SHOOT		One-shoot	Only send triggering signals in the M & Multi mode when camera is shooting
		All-shoot	Send parameters and triggering signal when camera is shooting(suitable for multi person photography)
	APP	APP	Only send triggering signal when camera is shooting (control the flash's parameters by smartphone APP)
DIST	Triggering distance	0-30m	0-30m triggering
		1-100m	1-100m triggering
STEP	Power output value	1/128(0.3)	The minimum output is 1/128(change in 0.3 step)
		1/256(0.3)	The minimum output is 1/256(change in 0.3 step)
		1/128(0.1)	The minimum output is 1/128(change in 0.1 step)
		1/256(0.1) 3.0(0.1)	The minimum output is 1/256(change in 0.1 step) The minimum output is 3.0(change in 0.1 step)
		2.0(0.1)	The minimum output is 2.0(change in 0.1 step)
GROUP	Group	5 (A-E)	5 groups(A/B/C/D/E)
		3 (A-C)	3 groups(A/B/C)
STBY	Sleep	60sec	60 seconds
		30min	30 minutes
		60min	60 minutes
		OFF	--
LIGHT	Backlighting time	12sec	Auto off in 12 seconds
		OFF	Always off
		ON	Always lighting
LCD	Contrast ratio of LCD panel	-3-+3	The contrast ration can be set as integral number from -3 to +3

Using the Flash Trigger

As a Wireless Camera Flash Trigger

Take TT685O as an example:

1. Turn off the camera and mount the transmitter on camera hotshoe. Then, power on the flash trigger and the camera.
   
2. Short press the <MENU> button to set channel, group, mode and parameters (refers to the contents of "Setting the Flash Trigger").
3. Turn on the camera flash, press the < > wireless setting button and the < > wireless icon and <SLAVE> 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 the camera flashes of other models).
   
4. Press the camera shutter to trigger and the status lamp of the flash trigger turns red synchronously.

As a Wireless Outdoor Flash Trigger

Take AD600B as an example:

1. Turn off the camera and mount the transmitter on camera hotshoe. Then, power on the flash trigger and the camera.
2. Short press the <MENU> button to set channel, group, mode and parameters (refers to the contents of "Setting the Flash Trigger").
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 the oudoor flashes of other models).
4. Press the camera shutter to trigger and the status lamp of the flash trigger turns red synchronously.

As a Wireless Studio Flash Trigger

Take GS400II as an example:

1. Turn off the camera and mount the transmitter on camera hotshoe. Then, power on the flash trigger and the camera.
2. Short press the <MENU> button to set channel, group, mode and parameters (refers to the contents of "Setting the Flash Trigger").
3. Connect the studio flash to 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 the studio flashes of other models).
4. Press the camera shutter to trigger. And 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 do not have TTL and stroboscopic functions, the flash trigger should be set to M mode in triggering.

As a Flash Trigger with 3.5mm 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. Set the transmitter end's sync cord jack as an output port. Operation: press the <MENU> button on the transmitter end to enter C.Fn settings. Then, set PC SYNC to OUT mode.
3. Press the shutter normally and the flashes will be controlled by sync cord jack's signal.

Connect to Smartphone through Bluetooth

Using method:

1. Short press the <MENU> Button to enter BLUE.T. to open the Bluetooth. The Bluetooth ID will displayed under the ON.
   
2. Search"Godox Photo"in iPhone's APP Store and download the APP. Or install the APP by scanning the QR Code with your smartphone.
   
   
   "GodoxPhoto"
3. Open the APP and choose .
4. Connect the transmitter to the responded Bluetooth ID and enter the password to match(the initial password is "000000").
5. Full match and back to APP main interface.
   
6. When started the Bluetooth function, the Bluetooth icon will be displayed on the transmitter's panel.
7. Set the channels of the slave flash and the transmitter to the same, and parameters e.g. slave flash mode, power value, modeling lamp and beep can be controlled on the APP of the smartphone.
8. Use the APP of the smartphone for shooting after setting all the parameters.
   Note: When successfully connected the flash trigger and smartphone APP, the auto sleep of the flash trigger can be set to 30 min.

Compatible Smartphone Models

This flash trigger can be used on the following Smartphone models:

1. This table only lists the tested Smartphone models, not all Smartphone. For the compatibility of other Smartphone models, a self-test is recommended.
2. Rights to modify this table are retained.

Compatible Flash Models

Note: The range of support functions: the functions that are both owned by X2T-O and flash.

The relationship of XT wireless system and X2 wireless system:

XT-16 (Code Switch)
X2 (Display Screen)	CH01	CH02	CH03	CH04	CH05	CH06	CH07	CH08
XT-16 (Code Switch)
X2 (Display Screen)	CH09	CH10	CH11	CH12	CH13	CH14	CH15	CH16

Compatible Camera Models

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

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

Caring for Flash Trigger

• Avoid sudden drops. The device may fail to work after strong shocks, impacts, or excess stress.
• Keep dry. The product isn't 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 happens if sudden temperature changes such as the circumstance when taking the transceiver out of a building with higher temperature to outside in winter. Please put the transceiver in a handbag or plastic bag beforehand.
• Keep away from strong magnetic field. The strong static or magnetic field produced by devices such as radio transmitters leads to malfunction.

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 circumstance, 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.

GODOX Photo Equipment Co., Ltd.
Add: Building 2, Yaochuan Industrial Zone, Tangwei Community, Fuhai Street, Bao'an District, Shenzhen, China
Tel: +86-755-29609320(8062)
Fax: +86-755-25723423
E-mail: godox@godox.com
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