Lexus ES350 Service Manual page 357

Microphone
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P. 326
When using the microphone
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It is unnecessary to speak directly into the microphone when giving a command.
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Wait for the confirmation beep before speaking a command.
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Voice commands may not be recognized if:
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• Spoken too quickly.
• Spoken at a low or high volume.
• The roof or windows are open.
• Passengers are talking while voice commands are spoken.
• The air conditioning speed is set high.
• The air conditioning vents are turned towards the microphone.
In the following conditions, the system may not recognize the command properly and
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using voice commands may not be possible:
• The command is incorrect or unclear. Note that certain words, accents or speech
patterns may be difficult for the system to recognize.
• There is excessive background noise, such as wind noise.
When searching for a track
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A USB memory or iPod must be connected to enable track searching and playback.
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(P. 274)
When a USB memory or iPod is connected, recognition data is created so tracks can
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be searched using voice commands.
Recognition data is updated under the following conditions:
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• When the USB memory or iPod data has changed.
• When the voice recognition language is changed. (P. 277)
While the recognition data is being created or being updated, a track search cannot be
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performed using a voice command.
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The Gracenote media database
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P. 303
ES350_OM_OM33B64U_(U)
5-12. Other function
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