Ram Trucks 2015 ProMaster Commercial - Owner Manual - Manual (Page 171)

When this operation is complete, the display shows the
name of the selected folder. If you push any of these
buttons again quickly, the name shown is updated as you
select folders on the USB device. While the track is being
selected, that is, when you push buttons 1 or 2 quickly, the
information contained in ID3 tag is not processed. If you do
not push and hold 1 or 2, the track is selected, the ID3 tag
is processed and the music will start playing. In this case,
the display will continue showing the name of the selected
folder for two seconds and then return to the default
display defined by the DISP function.
Whenever the radio skips from one folder to another, the
display will show the name of the folder to which you are
going for a few milliseconds (the rotary movements are
ignored during this period) and a maximum of three
seconds. When you reach the last folder and push Button 1
again, the radio will advance to the next folder on the USB
device. When you reach the first folder and push Button 2
again, the radio will advance to the next folder on the USB
device.
Shuffle (Random Playback)
Pushing the RND button enables or disables the ЉshuffleЉ
feature. When enabled, the RND indicator is switched on
and the display will show ЉRND ONЉ for two seconds.
The display will then revert to the previous view.
When you push this button again, the function is dis-
abled, the RND indicator is turned off and the display
will show ЉRND OFFЉ for two seconds. The display then
reverts to the previous view.
If the RND function is enabled, the music forward/
reverse will be random, both in normal mode and Fast
Track mode. In this case, Buttons 1 and 2 (forward/
reverse folder) have the exact same function as or
(music forward/reverse), respectively.
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UNDERSTANDING YOUR INSTRUMENT PANEL 169