Sony 4-000-805-11 - Manual (Page 23)

SONY NV-U44 (US,FR,ES) 4-000-805-11 (1)
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US
 Touch to show the turn-by-turn list. (Only during route guidance)
 Touch to zoom in/out the map.
Touch / .
 Touch to adjust the voice guidance volume.
Touch / .
To turn off the sound, touch .
 Touch to hide the map tool bar.