You can customize the key sequence to turn on/off locale-specific input. To add a key sequence, perform the following steps:
Press the Add button.
You will see the Add Key pop-up.
Press the key to be added and OK.
The key pressed is added to the conversion key list.
To remove any key from the list:
Select the key from the list and press Remove.
The customized key sequence will take effect when you restart htt.