Ford 2009 Mountaineer Owner's Manual page 486

Entertainment Systems
Single Play: Single play consists of all occupants in the vehicle listening
to the same playing media over the front and rear speakers. When the
DVD system is on, and the same source is playing through the front and
rear speakers, SINGLE PLAY will appear in the front radio display.
Dual Play (navigation-based radio systems only): Dual play is when
the rear seat passengers choose to listen to a different playing media
than the front seat passengers. With the DVD and rear seat controls
turned ON, the rear seat passengers may choose to listen to the radio,
CD, MP3, SYNC, DVD, or DVD-AUX media sources over headphones
while the front speakers play the chosen selection for the front audio
system, they may listen to another over the headphones. DUAL PLAY
will appear in the radio display.
When both the front seat passengers and the rear seat passengers listen
to the same audio source, SHARED MODE will appear on the radio.
Note: If the front seat passengers are listening to the radio, the rear seat
passengers can also listen to the radio; however, they will be limited to
listening to the same radio channel.
There are two ways to get into dual play mode:
1. After initially turning ignition on, when a disc is inserted, the FES
immediately switches to dual-play mode.
2. Press
the / headphone/speaker
button on the DVD player or
navigation radio touch screen.
3. Press the 2 and 4 memory presets on the radio at the same time.
Repeating each of these actions will switch back to single play mode, all
speakers playing and headphones off.
The headphone control will now be active and a green light next to the
A or B headphone control buttons will illuminate. The system can output
two different audio sources over the headphones. These are called
Channel A and Channel B. Both Channel A and Channel B can be
listened to on the wired headphones (not included) or on the infrared
(IR) wireless headphones.
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2009 Mountaineer (mnt)
Owners Guide, 2nd Printing
USA (fus)