Pioneer AVIC-90DVD - Manual (Page 52)

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Chapter 4
Customizing Your Navigation System
Auto Voice Recognition
After you have started the engine, turn on voice
recognition and set whether or not to perform all
operations up to route searching by voice.
(This function is effective only when a route is not
set.)
On :
The automatic voice recognition is engaged each
time your vehicle is started.
Off* :
Voice operation starts after pressing the TALK
(or VOICE) button or touching VOICE icon.
Voice Recog.Help
This setting controls the list of available voice
commands displayed during voice operation.
On* :
The list of commands is shown.
Off :
The list of commands is not shown.