Pioneer DEH-4000UB - Manual (Page 29)

! If you do not operate the function within about
eight seconds, the display is automatically re-
turned.
Sound muting
Sound from this unit is muted automatically in
the following cases:
! When a call is made or received using a
cellular telephone connected to this unit.
! When the voice guidance is output from a
Pioneer navigation unit connected to this
unit.
The sound is turned off, MUTE is displayed
and no audio adjustments, except volume con-
trol, are possible. Operation returns to normal
when the phone connection or the voice gui-
dance is ended.
Other Functions
En
29
English
Section
05