Pioneer AVIC U310BT - Navigation System With CD player Operation Manual page 85

Playing music files on ROM
% Touch [S.Rtrv] repeatedly to select the
desired setting.
Each touch of [S.Rtrv] changes the settings as
follows:
!
:
Sets to S.Rtrv1.
!
:
Sets to S.Rtrv2.
! No indicator:
Sets to off.
p S.Rtrv2 is more effective than S.Rtrv1.
Chapter
18
85
En