Strategy and load input; PCM uses this to monitor engine speed to determine engine state. and load, and cylinder position in order to control timing and fuel delivery; Hall Effect sensor. which generates a digital voltage signal; high, 12 volts, low, 1.5 volts.
After this â you can click the start speech recognition and the built in toolbar will pop up with a microphone and the word âoffâ beside it. Once you click the âoffâ button it will activate âlistening modeâ and the system will begin actively listening for your voice commands.
You can select which language to use for Dictation in the Dictation and Speech pane of System Preferences. If you don't see your language listed, you can add it. Make sure you are connected to the Internet, then follow these steps to add or remove a language for Dictation. 1  From the Apple menu, choose System Preferences.