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Operation Manual
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High power CD/MP3/WMA player with FM/AM tuner
TFM/AM¿çhKØCD/MP3/WMA>_
DEH-3790MP
DEH-3750MP
English
E


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Thank you for buying this Pioneer product.
Please read through these operating instructions so you will know how to operate
your model properly. After you have finished reading the instructions, keep this man-
ual in a safe place for future reference.
Before You Start
About this unit 3
Features 3
About WMA 3
Use and care of the remote control 4
Installing the battery 4
Using the remote control 4
Protecting your unit from theft 4
Removing the front panel 5
Attaching the front panel 5
Whats What
Head unit 6
Remote control 7
Power ON/OFF
Turning the unit on and selecting a
source 8
Turning the unit off 8
Tuner
Listening to the radio 9
Storing and recalling broadcast
frequencies 9
Tuning in strong signals 10
Storing the strongest broadcast
frequencies 10
Built-in CD Player
Playing a CD 11
Repeating play 11
Playing tracks in a random order 11
Scanning tracks of a CD 11
Pausing CD playback 12
Selecting the search method 12
Searching every 10 tracks in the current
disc 12
Using compression and BMX 12
Using CD TEXT functions 13
MP3/WMA/WAV Player
Playing MP3/WMA/WAV 14
Repeating play 15
Playing tracks in a random order 15
Scanning folders and tracks 15
Pausing MP3/WMA/WAV playback 16
Selecting the search method 16
Searching every 10 tracks in the current
folder 16
Using compression and BMX 16
Displaying text information on MP3/WMA
disc 16
Displaying text information on WAV disc 17
Audio Adjustments
Introduction of audio adjustments 18
Using balance adjustment 18
Using the equalizer 18
Recalling equalizer curves 18
Adjusting equalizer curves 19
Fine-adjusting equalizer curve 19
Adjusting loudness 19
Front image enhancer (F.I.E.) 20
Adjusting source levels 20
InitialSettings
Adjusting initial settings 21
Setting the clock 21
Turning the clock display on or off 21
Setting the FM tuning step 21
Setting the AM tuning step 22
AdditionalInformation
Understanding built-in CD player error
messages 23
CD player and care 23
CD-R/CD-RW discs 23
MP3, WMA and WAV files 24
MP3 additional information 25
WMA additional information 25
WAV additional information 25
About folders and MP3/WMA/WAV files 25
Terms 27
Specifications 29
Contents
En
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About this unit
CAUTION:
USE OF CONTROL OR ADJUSTMENT OR
PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN
MAY RESULT IN HAZARDOUS RADIATION
EXPOSURE.
CAUTION:
THE USE OF OPTICAL INSTRUMENTS
WITH THIS PRODUCT WILL INCREASE
EYE HAZARD.
CAUTION
! Do not allow this unit to come into contact
with liquids. Electrical shock could result.
Also, this unit damage, smoke, and overheat
could result from contact with liquids.
! Keep this manual handy as a reference for op-
erating procedures and precautions.
! Always keep the volume low enough so that
you can hear sounds from outside the vehicle.
! Protect this unit from moisture.
! If the battery is disconnected or discharged,
the preset memory will be erased and must be
reprogrammed.
! If this unit does not operate properly, contact
your dealer or nearest authorized Pioneer Ser-
vice Station.
Features
CD playback
Music CD/CD-R/CD-RW playback is possible.
MP3 file playback
You can play back MP3 files recorded on CD-
ROM/CD-R/CD-RW (ISO9660 Level 1/Level 2
standard recordings).
! Supply of this product only conveys a li-
cense for private, non-commercial use and
does not convey a license nor imply any
right to use this product in any commercial
(i.e. revenue-generating) real time broad-
casting (terrestrial, satellite, cable and/or
any other media), broadcasting/streaming
via internet, intranets and/or other net-
works or in other electronic content distri-
bution systems, such as pay-audio or
audio-on-demand applications. An inde-
pendent license for such use is required.
For details, please visit
http://www.mp3licensing.com.
WMA file playback
You can play back WMA files recorded on CD-
ROM/CD-R/CD-RW (ISO9660 Level 1/Level 2
standard recordings).
WAV file playback
You can play back WAV files recorded on CD-
ROM/CD-R/CD-RW (Linear PCM (LPCM)/MS
ADPCM recordings).
About WMA
The Windows Media" logo printed on the box
indicates that this unit can play back WMA
data.
WMA is short for Windows Media Audio and
refers to an audio compression technology
that is developed by Microsoft Corporation.
WMA data can be encoded by using Windows
Media Player version 7 or later.
Before You Start
En
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English
Section
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Microsoft, Windows Media, and the Windows
logo are trademarks, or registered trademarks
of Microsoft Corporation in the United States
and/or other countries.
Notes
! With some applications used to encode WMA
files, this unit may not operate correctly.
! With some applications used to encode WMA
files, album names and other text information
may not be correctly displayed.
Use and care of the remote
control
Installing the battery
Slide the tray out on the back of the remote
control and insert the battery with the plus (+)
and minus () poles pointing in the proper di-
rection.
WARNING
Keep the battery out of the reach of children.
Should the battery be swallowed, immediately
consult a doctor.
CAUTION
! Use only one CR2025 (3 V) lithium battery.
! Remove the battery if the remote control is not
used for a month or longer.
! Do not recharge, disassemble, heat or dispose
of the battery in fire.
! Do not handle the battery with metallic tools.
! Do not store the battery with metallic materi-
als.
! In the event of battery leakage, wipe the re-
mote control completely clean and install a
new battery.
! When disposing of used batteries, please
comply with governmental regulations or en-
vironmental public institutions rules that
apply in your country/area.
Using the remote control
Point the remote control in the direction of the
front panel to operate.
Important
! Do not store the remote control in high tem-
peratures or direct sunlight.
! The remote control may not function properly
in direct sunlight.
! Do not let the remote control fall onto the
floor, where it may become jammed under the
brake or accelerator pedal.
Protecting your unit from
theft
The front panel can be detached from the
head unit and stored in the protective case
provided to discourage theft.
Important
! Never use force or grip the display and the
buttons too tightly when removing or attach-
ing.
! Avoid subjecting the front panel to excessive
shocks.
! Keep the front panel out of direct sunlight and
high temperatures.
Before You Start
En
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Section
01


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Removing the front panel
1 Press DETACH to release the front
panel.
Press DETACH and the right side of the panel
is released from the head unit.
2 Grab the front panel and remove.
Grab the right side of the front panel and pull
away to the left. The front panel will be de-
tached from the head unit.
3 Put the front panel into the protective
case provided for safe keeping.
Attaching the front panel
1 Place the front panel flat against the
head unit.
2 Press the front panel into the face of
the head unit until it is firmly seated.
Before You Start
En
5
English
Section
01