Proface APL3000B - Node Box PC - Manual (Page 120)

Chapter 4 Using Key Commands to Input Text and Operate Applications
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(3) When the [Text Services and Input Languages] dialog box appears, select [Add] in [Installed services].
(4) The [Add input language] dialog box appears. Select the desired language from the [Input language]
combo box.
In [Keyboard layout/IME], select the keyboard layout of the keyboard to be attached and click [OK].