2008 JEEP GRAND CHEROKEE Owners Manual

By pressing the SEEK button when the Music Type icon
is displayed, the radio will be tuned to the next frequency
station with the same selected Music Type name. The
Music Type function only operates when in the FM
mode.
If a preset button is activated while in the Music Type
(Program Type) mode, the Music Type mode will be
exited and the radio will tune to the preset station.
SETUP Button
Pressing the SETUP button allows you to select between
the following items:
²Set ClockÐ Pressing the SELECT button will allow
user to set the clock. Turn the TUNE control knob to
adjust the hours and then press and turn the TUNE
control knob to adjust the minutes. Press the TUNE
control knob again to save changes.
AM and FM Buttons
Press the buttons to select AM or FM Modes.
SET Button Ð To Set the Push-Button Memory
When you are receiving a station that you wish to
commit to push-button memory, press the SET button.
The symbol SET 1 will now show in the display window.
Select the button (1-6) you wish to lock onto this station
and press and release that button. If a button is not
selected within 5 seconds after pressing the SET button,
the station will continue to play but will not be stored
into push-button memory.
You may add a second station to each push-button by
repeating the above procedure with this exception: Press
the SET button twice and SET 2 will show in the display
window. Each button can be set for SET 1 and SET 2 in
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both AM and FM. This allows a total of 12 AM and 12 FM
stations to be stored into push-button memory. The
stations stored in SET 2 memory can be selected by
pressing the push-button twice.
Every time a preset button is used, a corresponding
button number will display.
Buttons1-6
These buttons tune the radio to the stations that you
commit to push-button memory {12 AM and 12 FM
stations}.
DISC Button
Pressing the DISC button will allow you to switch from
AM/FM modes to Disc modes.
Operation Instructions - CD MODE for CD and
MP3 Audio Play
NOTE:The ignition switch must be in the ON or ACC
position to operate the radio.
NOTE:This Radio is capable of playing compact discs
(CD), recordable compact discs (CD-R), rewritable com-
pact discs (CD-RW) compact discs with MP3 tracks and
multisession compact discs with CD and MP3 tracks.
Inserting Compact Disc(s)
Gently insert one CD into the CD player with the CD
label facing up. The CD will automatically be pulled into
the CD player and the CD icon will illuminate on the
radio display. If a CD does not go into the slot more than
an inch, a disc may already be loaded and must be ejected
before a new disc can be loaded.
If you insert a disc with the ignition ON and the radio
ON, the unit will switch from radio to CD mode and
234 UNDERSTANDING YOUR INSTRUMENT PANEL

begin to play when you insert the disc. The display will
show the disc number, the track number, and index time
in minutes and seconds. Play will begin at the start of
track 1.
CAUTION!
²This CD player will accept 4 3/4 inch (12 cm) discs
only. The use of other sized discs may damage the
CD player mechanism.
²Do not use adhesive labels. These labels can peel
away and jam the player mechanism.
²RES is a single CD player. Do not attempt to insert
a second CD if one is already loaded.
²Dual-media disc types (one side is a DVD, the
other side is a CD) should not be used, and they
can cause damage to the player.
EJECT Button - Ejecting a CD
Press the EJECT button to eject the CD.
If you have ejected a disc and have not removed it within
10 seconds, it will be reloaded. If the CD is not removed,
the radio will reinsert the CD but will not play it.
A disc can be ejected with the radio and ignition OFF.
NOTE:Ejecting with ignition OFF is not allowed on
convertible or soft-top models (if equipped).
SEEK Button
Press the right SEEK button for the next selection on the
CD. Press the left SEEK button to return to the beginning
of the current selection, or return to the beginning of the
previous selection if the CD is within the first second of
UNDERSTANDING YOUR INSTRUMENT PANEL 235
4

the current selection. Pressing and holding the SEEK
button will allow to scroll through tracks faster in CD,
MP3 modes.
SCAN Button
Press the Scan button to scan through each track on the
CD currently playing.
TIME Button
Press this button to change the display from a large CD
playing time display to a small CD playing time display.
RW/FF
Press the RW button to stop the CD at the beginning of
the current CD track/title.
Press and hold FF (Fast Forward) and the CD player will
begin to fast forward until FF is released or RW or
another CD button is pressed. The RW (Reverse) button
works in a similar manner.
AM or FM Button
Switches the Radio to the Radio mode.
RND Button (Random Play Button)
Press this button while the CD is playing to activate
Random Play. This feature plays the selections on the
compact disc in random order to provide an interesting
change of pace.
Press the right SEEK button to move to the next ran-
domly selected track.
Press the RND button a second time to stop Random
Play.
Notes On Playing MP3 Files
The radio can play MP3 files; however, acceptable MP3
file recording media and formats are limited. When
writing MP3 files, pay attention to the following restric-
tions.
236 UNDERSTANDING YOUR INSTRUMENT PANEL

Supported Media (Disc Types)
The MP3 file recording media supported by the radio are
CDDA, CD-R, CD-RW, MP3, and CDDA+MP3.
Supported Medium Formats (File Systems)
The medium formats supported by the radio are ISO 9660
Level 1 and Level 2 and includes the Joliet extension.
When reading discs recorded using formats other than
ISO 9660 Level 1 and Level 2, the radio may fail to read
files properly and may be unable to play the file nor-
mally. UDF and Apple HFS formats are not supported.
The radio uses the following limits for file systems:
²Maximum number of folder levels: 8
²Maximum number of files: 255
²Maximum number of folders (The radio display of file
names and folder names is limited. For large numbers
of files and/or folders, the radio may be unable to
display the file name and folder name and will assigna number instead. With a maximum number of files,
exceeding 20 folders will result in this display. With
200 files, exceeding 50 folders will result in this
display.
²Maximum number of characters in file/folder names:
²Level 1: 12 (including a separator9.9and a
3-character extension)
²Level 2: 31 (including a separator9.9and a
3-character extension)
Multisession disc formats are supported by the radio.
Multisession discs may contain combinations of normal
CD audio tracks and computer files (including MP3 files).
Discs created with an option such as9keep disc open after
writing9are most likely multisession discs. The use of
multisession for CD audio or MP3 playback may result in
longer disc loading times.
UNDERSTANDING YOUR INSTRUMENT PANEL 237
4

Supported MP3 File Formats
The radio will recognize only files with the *.MP3 exten-
sion as MP3 files. Non-MP3 files named with the *.MP3
extension may cause playback problems. The radio is
designed to recognize the file as an invalid MP3 and will
not play the file.
When using the MP3 encoder to compress audio data to
an MP3 file, the bit rate and sampling frequencies in the
following table are supported. In addition, variable bit
rates (VBR) are also supported. The majority of MP3 files
use a 44.1 kHz sampling rate and a 192, 160, 128, 96 or
VBR bit rates.MPEG
SpecificationSampling Fre-
quency (kHz)Bit Rate (kbps)
MPEG-1 Audio
Layer 348, 44.1, 32320, 256, 224,
192, 160, 128,
112, 96, 80, 64,
56, 48, 40, 32
MPEG-2 Audio
Layer 324, 22.05, 16160, 128, 144,
112, 96, 80, 64,
56, 48, 40, 32, 24,
16, 8
ID3 Tag information for artist, song title, and album title
are supported for version 1 ID3 tags. ID3 version 2 is not
supported by the radios.
Playlist files are not supported. MP3 Pro files are not
supported.
238 UNDERSTANDING YOUR INSTRUMENT PANEL

Playback of MP3 Files
When a medium containing MP3 data is loaded, the
radio checks all files on the medium. If the medium
contains a lot of folders or files, the radio will take more
time to start playing the MP3 files.
Loading times for playback of MP3 files may be affected
by the following:
²Media - CD-RW media may take longer to load than
CD-R media
²Medium formats - Multisession discs may take longer
to load than non-multisession discs
²Number of files and folders - Loading times will
increase with more files and folders
To increase the speed of disc loading, it is recommended
to use CD-R media and single-session discs. To create a
single-session disc, enable the Disc at Once option before
writing to the disc.
LIST Button (CD Mode for MP3 Play)
Pressing the LIST button will bring up a list of all folders
on the disc. Scrolling up or down the list is done by
turning the TUNE control knob. Selecting a folder by
pressing the TUNE control knob will begin playing the
files contained in that folder (or the next folder in
sequence if the selection does not contain playable files).
The folder list will time out after 5 seconds.
INFO Button (CD Mode for MP3 Play)
Pressing the INFO button repeatedly will scroll through
the following TAG information: Song Title, Artist, File
Name, and Folder Name (if available).
Press the INFO button once more to return to9elapsed
time9priority mode.
Press and hold the INFO button for 3 seconds or more
and radio will display song titles for each file.
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4

Press and hold the INFO button again for 3 seconds to
return to9elapsed time9display.
Operation Instructions - Auxiliary Mode
The auxiliary (AUX) jack is an audio input jack, which
allows the user to plug in a portable device such as an
MP3 player, or cassette player, and utilize the vehicle's
audio system to amplify the source and play through the
vehicle speakers.
Pushing the AUX button will change the mode to auxil-
iary device if the AUX jack is connected.
NOTE:The AUX device must be turned on and the
device's volume set to proper level. If the AUX audio is
not loud enough, turn the device's volume up. If the AUX
audio sounds distorted, turn the device's volume down.
TIME Button (Auxiliary Mode)
Press this button to change the display to time of day. The
time of day will display for 5 seconds (when ignition is
off).
Operating Instructions - Hands Free Phone
(UConnectŸ) (If Equipped)
Refer to ªHands-Free Communication (UConnectŸ)º in
Section 3 of this manual.
Operating Instructions - Satellite Radio Mode (If
Equipped)
Refer to ªSatellite Radioº in this section.
Operating Instructions - Video Entertainment
System (VESt) (If Equipped)
Refer to separate ªVideo Entertainment System (VESt)
Guide.º
240 UNDERSTANDING YOUR INSTRUMENT PANEL