Pioneer DEH-P3500 Operation Manual page 35

Initial Settings
! The sound is turned off, MUTE or ATT is
displayed and no audio adjustment is pos-
sible.
! Operation returns to normal when the
phone connection is ended.
1 Press FUNCTION to select TEL.
Press FUNCTION repeatedly until TEL appears
in the display.
2 Press c or d to switch the telephone
muting/attenuation.
Pressing c or d will switch between TEL :ATT
(attenuation) and TEL :MUT (muting) and that
status will be displayed.
HHHHHHHHHHHHHH
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Section
08
35
En