ProScan PLT4315 User Manual page 21

Language：Choose the language for system.
Spelling correction：Whether open correction when inputting characters.
Personal dictionary：Click the "ADD" button on the upper right side of screen; you can
add vocabularies to create your own dictionary.
Keyboard and input Methods: this option list the input installed in MID, you can do
some related setting to each input.
（1）Default：Setting when a character input box appeared, it is default input.
（2）Android keyboard：Offer the setting of android English input.
（3）Japanese IME：Offer the setting of android Japanese input.
（4）Google PinYin input：Offer the setting of Google PinYin input.
Speech
（1）Text-to-Speech（TTS）output：Offer the setting of text to speech.
( 2 ) Mouse/Track pad
( 3 ) Pointer speed: set pointer speed.
Backup & reset
Ver 1.0
KSD4302User Manual
Page 20