Alpine X209D Quick Reference Manual page 238

It shows the current voice guidance profile. Tap it to select a new profile from the list
of available languages and speakers. Tap any of these to hear a sample voice
prompt. Just tap
Different voice profiles are capable of different levels of service:
You can set the measurement units and time/date format to be used. Alpine
Navigation System may not support all the listed units in some voice guidance
languages.
By default, the time zone is taken from the map information and adjusted by your
current location. Here you can manually set the time zone and the daylight saving
time.
4.3.6 Display
You can modify the following settings:
Button
When animation is turned on, buttons on menus and keyboard screens, and screen
transitions are animated.
Select the style and colors of the application used in daytime mode.
Select the style and colors of the application used in night mode. It is recommended
to use darker colors at night to avoid distraction during driving in the dark.
when you have selected the new spoken language.

Natural Voice (street names not announced): These pre-recorded sounds
can only tell you basic information about turns and distances.

TTS Voice (street names announced): These computed voices can read out
complex instructions, street names or system messages.

TTS Voice with a microphone icon: Besides the above-mentioned profiles, it
can also be used for voice recognition.
Function
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