To configure settings for a USB keyboard or a Bluetooth® keyboard connected to your PS4™ system, select (Settings) > [Devices] > [External Keyboard].
Select the type of external keyboard, by language.
Select the input method for an external keyboard.
This setting appears only when [Japanese] or [Chinese (Traditional)] is selected for [Type].
Key Repeat (Delay)
Select the amount of time before a character is repeated when a key is held down on an external keyboard.
Key Repeat (Rate)
Select the speed at which a character is repeated when a key is held down on an external keyboard.