PLRRR18U
OWNER’S MANUAL
Mobile Audio System
 PLL Synthesizer Stereo Radio
 MP3/WMA Player
 Automatic Memory Storing
 Preset Equalization
 USB/MICRO SD Interface
www.pyleaudio.com
1
CONTENTS
Installation ........................................... 3
Wiring Connection .............................. 5
Operation ............................................. 6
Location of keys .................................... 6
Switching on/off the unit ........................ 7
Sound adjustment ................................. 7
Loudness .............................................. 7
Display information ............................... 7
Liquid crystal display ............................. 7
ESP function ......................................... 7
Reset function ....................................... 7
Radio operation................................... 7
Switching to radio mode .................... 7
Selecting the frequency band ............ 7
Selecting station ................................ 7
Automatic memory storing&
program scanning.............................. 8
Station storing.................................... 8
Local function………………………….8
Stereo/mono function…………………8
USB play operation ............................. 8
Selecting tracks ................................. 8
Pausing playing ................................. 8
Previewing all tracks .......................... 8
Repeating the same track ................. 8
Playing all tracks in random .............. 8
Selecting directory up/down .............. 9
Selecting tracks by AS/PS button…....9
TF card operation………………………9
Remote control .................................. 11
Specification........................................ 12
Trouble shooting ................................. 13
2
INSTALLATION
the unit chassis). For details, refer to
the following illustrated installation
methods.
Installation Opening
This unit can be installed in any
dashboard that has the same
dimensions of opening as shown
below:
Notes:
- Choose the mounting location
where the unit will not interfere
with the normal driving function
of the driver.
- Before installing the unit, connect
the wiring temporarily and make
sure it is all connected properly
and the unit and the system work
properly.
- Use only the parts included with
the unit to ensure proper
installation.
The
use
of
unauthorized parts can cause
malfunctions.
- Consult with your nearest dealer
if installation requires the drilling
of holes or other modifications of
the vehicle.
- Install the unit where it does not
get in the driver’s way and
cannot injure the passenger if
there is an emergency stop.
- If installation angel exceeds
30°from horizontal, the unit might
not
give
its
optimum
performance.
ATTENTIONS OF
INSTALLATION
1.This player should be installed
by professional technician.
2. please read the instruction
and operation of equipment
carefully before installing.
3. Make sure to connect other
wires before power connection.
4. To avoid short circuit. Please
make sure all the exposed wires
are insulated.
5. Please secure all the wires
after installation.
6. Please make proper
connections to the player
accordingly to this instruction
manual. Wrong connection may
cause damage.
7. This player only fit for 12V DC
device and please make sure
your car belongs to this kind of
cathode grounding electrical
system.
8. Please connect the wires
correctly. Wrong connection will
cause malfunction or damage.
30

Avoid installing the unit where it
would be subject to high
temperature, such as from direct
sunlight, or from hot air, from the
heater, or where it would be
subject to dust, dirt or excessive
vibration.
DIN FRONT/REAR-MOUNT
This unit can be properly installed
either from “Front”(conventional DIN
Front-mount)
or
“Rear”(DIN
Rear-mount installation, utilizing
threaded screw holes at the sides of
3
INSTALLATION
4
WIRING CONNECTION
ISO CONNECTION
5
OPERATION
LOCATION OF KEYS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
IR
1
2 INT
3 RPT
LCD
5 DIR4 RDM
6 DIR+
AUX IN
USB interface
11.
12.
13.
14.
15.
16.
17.
18.
19.
6
TF slot
9/
0/ DISP
Reset button
PUSH/SEL/PWR
MODE
8/
7/BAND
AS/PS
OPERATION
SWITCHING ON/OFF THE UNIT
Press PWR button (15) to turn on/off the
unit. When the unit is on. Press and hold it
for 2 seconds to turn off the unit.
The unit can be connected to a portable
audio player through the AUX IN jack (9).
RESET FUNCTION
RESET button (14) must be activated with
either a ballpoint pen or thin metal object.
The RESET button is to be activated for
the following reasons:
- Initial installation of the unit when all
wiring is completed.
- All the function buttons do not operate.
- Error symbol on the display.
Note: if you press RESET button (14), and
the unit does not work, please use a
cotton swab soaked in isopropyl alcohol to
clean the socket on the front panel.
SOUND ADJUSTMENT
Press SEL button (15) shortly to select
the desired adjustment mode. The
adjustment mode will change in the
following order:
BAS-TRE-BAL-FAD-EQ-BEEPLOUD-LOC-STEREO- VOLBAS: bass
TRE: treble
BAL: balance
FAD: fader
EQ:Equalization
BEEP: Beep sound
LOUD:loudness
LOC: local
VOL: volume
By rotating the audio knob (15), it is
possible to adjust the desired sound
quality.
EQ FUNCTION
In EQ mode you can select the preset EQ
mode by rotating the audio knob (15) as
below:
FLAT--- POP--- ROCK--CLASS ---EQ OFF
RADIO OPERATION

SWITCHING TO RADIO MODE
Press MODE button (16) to select
radio mode, the radio mode appears in
the display together with the memory
band and frequency.

SELECTING
THE
FREQUENCY
BAND
During radio mode, press 7/BAND
button (18) shortly to select the
desired band.
The reception band will change in the
following order:
→FM1→ FM2→ FM3 →AM1→AM2
DISPLAY INFORMATION
Press 0/DISP button (13) to show the time
for several seconds. After several
seconds it will return to show the
information.
LIQUID CRYSTAL DISPLAY
Exhibit current frequency and activated
functions on the display.

ESP FUNCTION
The unit will be shockproof between ten
seconds and twenty seconds.
AUXILIARY INPUT
7
SELECTING STATION
Press 9/
button (12) or 8/
button
(17) shortly to activate automatic seek
function. It will search up/down
stations automatically. Press for 2
seconds until “MANUAL” appears on
the display, the manual tuning mode is
selected. In this mode you can turn
up/down a step frequency one by one
till searched a station. If both buttons
have not been pressed for several
seconds, they will return to seek tuning
OPERATION
mode and “AUTO” appears on the
display.
MONO mode. In STEREO mode you
can receive a FM stereo signal. In MONO
mode the stereo station will be
switched to monochrome. Sometimes
when the signal is noisy you can
change to MONO mode. The noise
will be reduced.
USB PLAY OPERATION
In the front panel of the unit, there is an
USB interface (10). You can connect a
USB flash drive through this interface (10).
When you connect a USB flash drive, the
unit will search the MP3/ WMA files in the
USB drive and start to play.
The USB operation is the same operation
as above MP3/WMA.
If a USB drive is already inserted in the
port. Keep pressing MODE button (18)
shortly until the USB mode appears in
the display.
SELECTING TRACKS
button (17) or 9/
button
Press 8/
(12) to move to the previous file or the
next file. File number will show on
display.
Hold 8/
button (17) or 9/
button
(12) to fast reverse or fast forward.
Play starts from when you release the
button.

AUTOMATIC MEMORY STORING &
PROGRAM SCANNING
- Automatic memory storing
Press AS/PS button (19) for 2 seconds
the radio searches from the 87.5MHz
frequency and checks the signal strength
until one cycle search is finished. And
then 18 strong stations are stored into the
corresponding preset number button. In
the 1st cycle it will search in LOCAL mode
to preset stronger stations. If it finds less
than 18 stations it will search stations in a
2nd cycle with LOCAL OFF.
Program scanning
Press AS/PS button (19) shortly to scan
preset stations. The radio will hold at a
preset number for several seconds, then
searches again.

STATION STORING
While receiving a station, press one of
the preset buttons (1~6) for 2 seconds.
current station is stored into the
number button.

LOCAL function
Press SEL knob several times until
“LOC OFF” appears. Rotating the
audio knob (15) will turn on/off local
function. In LOC ON mode the unit will
reduce the receiving sensitivity when
you search for stations. That means
you can receive the station that
sounds strong. It will ignore the
stations that sound week. In LOC OFF
mode it will increase the receiving
sensitivity when you search for
stations. That means you will receive
more stations.

-
PAUSE PLAYING
button (2) to pause play.
Press 1
Press it again to resume play.
-
PREVIEWING ALL FILES
Press 2INT button (3) to play the first
several seconds of each file. Press
again to stop intro and resume play.
-
REPEATING THE SAME FILE
Press 3RPT button (4) to continuously
repeat the same track. Press it again
to Repeat all the tracks.
-
PLAYING ALL FILES IN RANDOM
STEREO/MONO function
Press SEL knob several times until
“STEREO” appears. Rotating the
audio knob (15) to select STEREO or
8

OPERATION
Press 4RDM button (7) to play all files
in random order. Press again to cancel
the function.
-
Press AS/PS button for three times.
The unit searches file from the folder
/9
buttons or rotating the
by 8
VOL knob. Display will list all
available directories and songs.
Select the desired directory/songs
then press SEL button to confirm. If
the selected file is a song, it starts to
play.
SELECTING DIRECTORY
UP/DOWN
Press DIR-button (6) or DIR +button (8)
to select directory downward or
upward. If the MP3 disc does not
contain any directory, there is no
function when pressing DIR-button (6)
or DIR + button (8).

DISPLAY INFORMATION
KEY Assigned IN Searching mode
(Table 1)
SELECTING TRACKS BY AS/PS
BUTTON
AS/PS/TRANS button (19) is assigned
as selection button in MP3/WMA
operation.
When pressed, it is activated by
selecting each mode as below:
“Searching
track
number”
=>
“Searching File Name”=> “Searching
from directory”

Searching From Directory
Searching Track number
Press AS/PS button one time. It
enters into “Searching track
number” mode. The unit searches
the track selected by following
direct numeric buttons:
M1-M6, BAND (7), 8/
, 9/ ,
DISP(0). VOL(all numbers)
After finish entering the number
press SEL button to confirm. The
unit searches for the track and
plays.
AS/PS
Mode Select
SEL
ENTER
M1
A, B, C, 1
M2
D, E, F, 2
M3
G, H, I, 3
M4
J, K, L, 4
M5
M, N, O, 5/Directory
DOWN
M6
P, Q, R, 6/Directory UP
BAND
S, T, U, 7
V, W, X, 8
Y, Z, SPACE, 9
DSP
_,-,+,0
AUDIO KNOB
CHARACTER SELECT
All the CHARACTER
above
AUDIO KNOB & TUNE /SEEK/TRACK
UP/DOWN buttons:
Searching file and directory during
Navigation.

Searching File Name
Press AS/PS button for two times.
It enters into “Searching File
Name” mode. The unit searches
files that have the same character
which is inputted by the user
pressing the corresponding buttons
listed on the Table 1 below.
Explain as follows:
- Use the corresponding buttons to
select the characters A to Z, blank,
0 to 9, _, -, +.
- Press SEL button to start the file
search.
The USB solution can support:
 Folder: 500 max.
 File: 999 max.
 Depth of folder: 8 layers
 Size: 16 GB
TF CARD OPERATION
There is a micro TF card interface (11) on
the front panel of the unit.
9
OPERATION
When you insert a TF card in the card
interface, the unit will search the
MP3/WMA files in the card and start to
play. The operation is the same with the
USB operation described above. If in
another mode. You can also press MOD
button to select SD mode.
Note:
1.
The main unit can only support the
standard USB-memory device which is
approved by Microsoft.
2.
USB MP3 player is not a standard
which means that different brand
name or different models have their
own standard. So our product cannot
support every MP3 player.
3.
When connecting an MP3 player
and that has a (non rechargeable
battery) in the player, you should
remove the battery from the MP3
player then connect it to the USB
interface. Otherwise, it may cause the
battery to burst.
CAUTION
When there are important files on the USB
device/Micro TF card, do not connect it to
the main unit to play. Because any
aciidental operation may cause file loss.
And
our
company
assumes
no
responsibility for this.
10
REMOTE CONTROL HANDSET(OPTIONAL)
FUNCTION KEY & CONTROL
1. POWER
2. MODE
3. TUNE/SKIP
4.
5.
6.
7.
8.
9.
(8)
7/BND
SCN
PAU
SHF
DIR▼
VOL▲
10. SEL (LOU/ENT)
11. TUNE/SKIP
12. VOL ▼
13. DSP(0)
14. RPT
15. AS/PS(D-AUD)
16. LOC
17. DIR▲
(9)
Power ON/OFF Button
Mode Button (S,T,U,7,For MP3/WMA Operation)
Tune/SKIP Down Button(V,W,X,8 For MP3/WMA
Operation)
Band Select Button(When pressed shortly)
Scanning Button(D,E,F,2 For MP3/WMA Operation)
Pause Button (A,B,C,1 For MP3/WMA Operation)
Shuffle Button (J, K, L 4 For MP3/WMA Operation)
DIR▼ Button
Volume Up Button
(Character Select (A,B~8,9,0)For MP3/WMA Operation)
Sound Mode Select Button
(Character Shift Right For MP3/WMA Operation)
Loudness Button (When pressed long)
(Enter Button For MP3/WMA Operation)
Tune/SKIP Up Button(Y,Z,SPACE,9 For MP3/WMA
Operation)
Volume Down Button
(Character Select(A,B~8,9,0)For MP3/WMA Operation)
Display Button(_,-,+,0 For MP3/WMA Operation)
Repeat Button(G,H,I,3 For MP3/WMA Operation)
Automatic Memory Storing & Program Scanning Button
(Mode Select Button For MP3/WMA Operation)
Local/Distant Select Button
DIR▲Button
11
SPECIFICATION
GENERAL
Power Supply Requirements
Chassis Dimensions
Tone Controls
- Bass (at 100 Hz)
- Treble (at 10 kHz)
Maximum Output Power
- Version V
Current Drain
- Version V
: DC 12 Volts, Negative Ground
: 7" (W) x 6.2" (D) x 3.9"(H)
: ±10 dB
: ±10 dB
: 4x60 watts
: 15 Ampere (max.)
RADIO
(U.S.A)
Frequency Coverage
IF
Sensitivity (S/N=30dB)
Stereo Separation
FM
87.5 to 108 MHz
10.7 MHz
4μV
>25dB
Frequency Coverage
IF
Sensitivity (S/N=20dB)
AM
520 to 1710kHz
450kHz
38dBu
12
TROUBLE SHOOTING
Before going through the checklist, check wiring connection. If any of the problems persist
after checklist has been made, consult support@pyleaudio.com.
Symptom
No power.
No sound.
Cause
Solution
The car ignition switch is
not on.
If the power supply is
connected to the car accessory
circuits, but the engine is not
moving, switch the ignition key
to “ACC”.
The fuse is blown.
Replace the fuse.
Volume is in minimum
Adjust volume to a desired level.
Wiring is
connected.
Check wiring connection.
not
properly
The operation
keys do not
work.
The built-in microcomputer
is not operating properly
due to noise.
Press the reset button.
The radio does
not Work. The
radio
station
automatic
selection does
not work.
The antenna cable is not
connected.
Insert the antenna cable firmly.
The signals are too weak.
Select a station manually.
13
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