This procedure is used when sending the first project to the display unit.
For details about Send operations, refer to the following.
34.14.1 How Send Works
Please refer to the Settings Guide for details.
34.12 Settings Guide
If transfer is not successful even though the steps are followed, refer to the following.
Maintenance/Troubleshooting Guide, T.2.3 Unable to transfer project (USB transfer cable)
Connect the computer and display unit using the USB cable.
If the USB cable driver is not installed, a dialog box appears. Install the driver as directed.
For information about USB cables and their installation method, refer to the following.
34.2 Transferring Project Files via USB Transfer Cable
Turn ON the display unit. The [Initial Start Mode] screen appears. (When using the GP4000 Series, LT4000 Series, SP5000 Series, ST6000 Series, STM6000 Series, STC6000 Series, ET6000 Series, or the IPC Series, the [Welcome] screen appears.) On the [Initial Start Mode] or [Welcome] screen, touch [Agree]. The display unit is restarted.
If [Agree] does not display, proceed to the next step.
The [Initial Start Mode] or [Welcome] screen appears.
The [Initial Start Mode] screen or the [Welcome] screen is the first screen that appears after turning on the display unit immediately after purchase. After transferring a project once, this screen will not appear.
On the GP-Pro EX status bar, click the Transfer Project icon 
and launch the Transfer Tool.
When the edited project has not been saved, a dialog box displays to confirm the save operation. Click [Yes] to save.
34.14.1 How Send Works
Confirm the project details in [Project Information].
To transfer a different project, click the [Select Project] button and choose the appropriate project.
In [Transfer Information], acknowledge that [Device] is [USB]. If [USB] is not selected, click [Transfer Settings] to display the [Transfer Settings] dialog box below. In [Communication Port Settings], select [USB] and click [OK].
Click [Send Project]. In the dialog box that appears, set the connection key and click [OK]. Click the icon 
to show the key.
If you forget the connection key, you will not be able to connect to the display unit.
34.14.4 How the Connection Key Works
The [Connection key settings] dialog box appears only on the first transfer. The first time you transfer, you need to set the connection key.
The [Authentication] dialog box appears for transfers from the second time onward. This will not appear if during set up of the connection key you clear the [Authenticate connection key when transferring] check box in the [Connection key settings] dialog box.
If you want to change the [Authenticate connection key when transferring] setting in the [Connection key settings] dialog box that appears on the first transfer, edit the setting offline.
M.17.4.3 Security Settings - Connection Key
When the following dialog box appears, click [Yes]. This dialog box is not displayed when the same project file is sent again.
The transfer begins.
The following dialog box appears during transfer to check the communication status.
(The display unit changes to Transferring mode and communication with the device/PLC is suspended.)
When connecting the USB data transfer cable (CA3-USBCB-01) and the ZC9USCBMB1 cable or a standard USB cable (Type A mini B), the [Select USB Cable] dialog box will display. Select which USB cable to use.
[A to A (Host to Host)]: Select when using [CA3-USBCB-01].
[A to Mini B (Host to Slave)]: Select when using [ZC9USCBMB1] or commercial USB cables (Type A mini B).
When transfer is completed, the state of the dialog box changes from [Transferring] to [Transfer Complete]. Click [Close].
(The display unit is reset and the transferred project screen is displayed.)
Click [Close] to return to the Transfer Tool. Click [Close] again to close the Transfer Tool.