Naxa NCA-683 User manual

Fold Down Full Detachable PLL Electronic Tuning
Stereo AM/FM Radio MP3/CD Player With Text Function, USB Input,
SD Card Slot,MP3(ESP) Anti-Skip Protection & Remote Control
INSTRUCTION MANUAL
6
45
13
2
POWER
MUTE
CLK A.P -
+
SELDN UP
ST
LOC LOUD
SCN
MODE BAND
TOP/ RPTINT
RDM
MODEL: NCA-683
IMPORTANTINFORMATION REQUIRED BY THE FCC
This device complieswith Part 15of the FCCRules. Operation issubject to thefollowing two
conditions: (1)this devicemay not causeharmful interference; and(2) this devicemust accept
any interference received,including interference thatmay cause undesirableoperation.
NOTE: This equipmenthas been testedand found tocomply with thelimits for aClass B digital
device, pursuant toPart 15 ofthe FCC Rules.These limits aredesigned to providereasonable
protection against harmfulinterference in aresidential installation .
This equipment generates.usesand can radiateradio frequency energyand, if notinstalled and
used in accordancewith the instructions,may cause harmfulinterference to radioelevation
reception, which canbe determined byturning the equipmentoff and on.The user isencouraged
to try tocorrect the interference byone or more ofthe following measures:
* Reorient orrelocate the receivingantenna.
* Increase theseparation between theequipment and receiver.
* Connect theequipment into anoutlet on acircuit different fromthat to whichthe receiver is
connected.
* Consult thedealer or anexperienced radio/TV technicianfor help.
SEL
MOD
LOC
LOU
CLK
ST
VOL
+
TOP
12
INT RDM
43
RPT
BND
_
SCN
65 MUTEAPS
AUX

Page 1
Thank you for purchasing this car audio product.
Please read this manual carefully before operating this car audio product.
Please keep this manual for future use. It will be helpful to you if you are encounter any
operational problem.
WARNING!
To reduce the risk of fire or electric shock, do not use the unit in the rain or moisture
environment.
To prevent direct exposure to laser beam, do not try open the enclosure.
Visible and invisible laser radiation when open and interlocks defeated.
To protect our environment, do not dispose of electrical equipment in the domestic waste.
Please return any electrical equipment that you will no longer use to the collection points
provided for their disposal.
This helps avoid the potential effects of incorrect disposal on the environment and human
health. This will contribute to the recycling and other forms of reutilization of electrical and
electronic equipment. Information concerning where the equipment can be disposed of can
be obtained from your local authority.
Selecting fine audio equipment is only the start of your musical enjoyment.
Now it is time to consider how to maximize the enjoyment you will get from
knowing how to work your new car stereo receiver.
We hope you enjoy using this product and encourage you to always listen at
a moderate, safe sound level to avoid any possible hearing damage or loss.
If you listen to excessively loud sound over time, your hearing can adapt to
higher volumes and what sounds "normal" to you may be quite harmful and
can cause you to have permanent hearing loss. So please practice "safe sound"
and always listen at moderate sound levels only.
Start with your volume control at the lowest setting, and slowly increase the level
until you can hear it comfortably and clearly, free from distortion.
Once you have established this comfortable sound level, leave it there.
Preface

Page 13
LOCATION AND FUNCTION OF CONTROLS
Page 2
1. OPEN BUTTON
Press the OPEN button to fold down the front control panel.
Then a disc can be inserted into the disc slot or ejected by pressing the EJ button.
After flippingdown the front panel, push it leftwards, then pull the right side of the
panel outwards toremove it from the unitchassis.
2. SEL BUTTON (Select) AND VOLKNOB
a) Press theSEL button briefly, it is activated as selecting each mode of E.VOL.
-> VOLUME ->BASS ->TREBLE -> BALANCE -> FADER ->
When selecting adesired audio mode, rotate the VOLknob to adjust the audio
effect.
In each mode,the waiting time is about 5 seconds, and the time waiting time
is over, it returns to the last display mode of tuner or CDP mode.
The control mode of E.VOL isoperated with following numeric display.
- VOL: (MIN)00, 01,......46, 47(MAX).
- BASS/TRE: -07, -06,...,00,...+06,+07
- BAL: 0LR9, 1LR9, ..., 9LR9,..., 9LR1, 9LR0
- FAD: 0FR9,1FR9, ..., 9FR9,..., 9FR1, 9FR0
SPECIFICATION
GENERAL
Supply Voltage DC 12 V. Negative Ground
Current Consumption Max.15A
Power Output 40W X 4ch (Measured at DC 14.4 V)
Number of channels 2 STEREO channels.
Unit Dimensions 178[W] X 165[D] X 50[H] mm.
FM SECTION
Frequency range 87.50MHz -107.90MHz
Effective sensitivity 3uV.
I.F Frequency 10.7MHz.
AM SECTION
Frequency range 530KHz - 1710KHz
Effective sensitivity 40dB.
I.F Frequency 450KHz
RCA LINE OUT
Output 1000mV @ CD MAX.
CD PLAYER
System MP3 Audio System.
Suitable CDs MP3, WMA, CD,CD-R,CD-RW Disc
Frequency characteristics 20Hz-100Hz < 5dB
\
10KHz-20KHz < 5dB.
\
S/N Ratio to CD 50dB [1KHz]
SD
4
6 11
12 9
21
18
1
17
8 10
5
16
7315 13 2
14
1920
232422
SEL
MOD
LOC
LOU
CLK
ST
VOL
+
TOP
12
INT RDM
43
RPT
BND
_
SCN
65 MUTEAPS
AUX

Page 12Page 3
b) When pressed longer 2 seconds, it is activated as cyclical mode of following
functions for user’s selection.
->BEEP (ON/OFF) -> USER SET(FLAT/CLASSIC/ROCK/POP)
->VOL(LAST/DEFA) ->CLK(ON/OFF)->CLK(12/24)mode.
After selectingthe desired mode, rotate the VOLknob to select one setup
item of the desired mode.
BEEP ON/BEEP OFF
BEEP ON mode: The beep is generated when any key is pressed.
BEEP OFF mode: The beep sound is disabled.
VOL LAST/VOL DEFA
VOL LAST: The radio switches on at the actual volume it had when itwas last
switched off.
VOL DEFA: After pressing SELbutton, AVOL will be displayed. Then you can
pre-select a constant switch-on volume by using the VOL knob.
CLK ON/OFF
CLK ON: Clockwill always show on the display when power off.
CLK OFF: Clockwill disappear on the display when power off.
3. POWER ON/OFF
When the unitis power off, the unit comes to ONby pressing anybutton on the
front panel (exceptthe OPEN key ). It also can turn onthe unit to insert adisc,
SD card orUSB stick into their slots or socket. When the unit is power on,
press and holdthe power button for more than 0.5 seconds, the unit goes into
power off mode.
4. LCD Display
5&6. TUNE, SEEK, TRACK, SKIP UP / DOWN BUTTONS
a) During RADIO mode:
Press the >>| or |<< button shortly to manual tune up/downfor the desired
radio station frequency step by step.
Press and holdthe >>| or |<< button for longer 0.5 seconds, to automatically
tune up/down forthe radio stationfrequency of strong signal.
b) During disc, SD, USB playback mode:
Press the >>| button briefly to play next track.
Press the |<<button briefly toplay the current track from the beginning of it
if the playing time ismore than 2 seconds.
Press the |<< button briefly to play the previous track if the playing time is
less than 2seconds.
Press the >>| or |<< button and hold to skip forwards or backwards, release
to resume normal playback.
TROUBLE SHOOTING
Before using the check list please make all the connections first.
If you still have questions after going through the checklist, please consult
your local customer service representative.
Common Symptoms
There is no power.
The CDs cannot
be loaded.
Cause
The fuse has blown.
Presence of CD disc inside the player
Inserting the disc in upside down
The surface of CD is extremely dirty
or it is damaged.
Temperature inside the car is too
high.
The volume control is set too low.
There is no sound.
The operation keys
do not work
The sound of the
CD player skips
The antenna cable is not connected. Insert the antenna cable firmly into the
antenna socket of the device.
No radio reception.
1.The built-in microcomputer is not
operating properly due to noise
2.Front panel is not properly fix into
its place
1. Switch the device off and on again. Or press
the RESET button to resume the program.
2. Reinstall the front panel
The device has not been correctly
connected.
The installation angle is more than
30 degrees
Wait until the road becomes smoother before
playing the CD.
Adjust the installation angle to less than 30
degrees
Turn up the volume properly.
Check the power and earth connection
according to the wiring diagram.
Cool off until the ambient temperature returns
to normal
Clean the CD or try another CD, if this works
correctly, the first CD is properly damaged.
Insert the compact disc with the label facing
upward
Remove the disc in the player then put a new
upward
Replace another fuse according to the wiring
diagram.
The car ignition is switched off. If the power supply is properly connected to
the car accessory, switch the ignition key to
ON or " ACC" " " .
Solution
The device does
not work correctly
(EJECT, LOAD,
PLAY)
In automatic search
mode the radio does
not stop at a trans-
mitting station.
Tune in to a radio station manually.The transmission signals are too
weak.
The CDs are loaded
only halfway into
the CD tray.
The transport screws have not been
removed.
Remove the transport screws before using.
The surface of the road is uneven.
The surface of CD is extremely dirty
or it is damaged.
Clean the CD or try another CD, if this works
correctly, the first CD is properly damaged.

Page 4Page 11
7. BAND BUTTON
During radio mode,press the BND button briefly to select the radio broadcasting
band you wouldlike to hear. The AM/FM bandis toggled cyclically through the
tuning bands: ->FM 1-> FM 2 -> FM 3 -> AM 1->AM 2 ->.
8. MODE BUTTON
Press the MODE button to change among tuner (radio), disc (when a discis
loaded), SD card (when an SD card is inserted) , USB (when an
USB stick is inserted) and AUX mode.
9. MUTE BUTTON
This buttonserves to switchthe MUTED state on/off.
Press the MUTE button to suppress theloudspeaker temporarily, and press
again to resume listening. The muted state will be also released when the
MODE, SELbutton is pressed and VOL knob on the front panel is used.
10. INFRARED REMOTECONTROL SENSOR
11. A.P BUTTON (Auto-storage /Preset scan)
During radio mode:
1) when long pressing for more than 1 seconds, the radio searches from the
current frequency andchecks the signal strength level until 6 station are
found. Andthen the 6 stations frequency are preset to the corresponding
preset memory numbered bank. The auto-storage operation is implemented
in the eachselected band. When the auto-storage operation is finished, the
radio execute the Preset Scan.
2) when short pressing, the radio searches for each preset station in the current
band and holds at that preset number for 5 seconds with releasing mute, and
then search again.
During MP3/WMAfile in disc,SD or USBmode, press the A.P button short, it
is activated selectingsong mode, and the TRK 000(if the numberof tracks is
less than 100 and more than 9, it will be TRK 00)will be visible on the LCD
display and thehundreds digit 0 that the MP3/WMA disc, SD card or USB
contains will flash.
Rotate the VOL knobto select and enter the number on the flashing digit place
from 0 to 9.
Then press the A.P button to confirm the entered numberand the 0on the tens
digit will be flashing.
Rotate the VOL knobto select and enter the number on the flashing digit from
0 to 9.
Then press the A.P button to confirm the entered number and the 0 on the units
place digit will be flashing.
Rotate the VOL knobto select and enter thenumber on the flashing digit from
0 to 9.
After finishing enter allthe number of the song serial number on the flashing
digit, press the SEL button to play the corresponding track.
ÒÉÄѽâ³ý
CARE FOR USING CD'S:
1. To keep the disc clean:
Before playing a disc, wipe it off with a clean, dust-free cleaning cloth.
Wipe the disc outwards from the disc center.
2. When one has already been inserted. Doing so may damage the unit
Do not attach any sticker or adhesive tape on the disc.
Handle the disc by its edge to keep the disc clean and do not touch the surface.
. Insert a disc
with labeled surface up, or it will damage the unit.
3. Do not expose the disc to direct sunlight or nearby heat sources such as heating
vents, caliduct which can cause the disc to warp.
Do not leave disc in a car if it is parked in direct sunlight as that will lead to a
considerable rise in the temperature inside the car.
4. Do not use any secondhand or rented disc, usually, there is glue on the surface of
those discs, it will stop the unit working and damage it.
5. Always store the disc in its case for protection. Scratched up discs will produce poor
sound performance and cause CD player to skip.
6. In raining day or wet area, the moisture may form on the disc or the optical parts,
the playback may not be possible. If moisture forms on the disc, wipe it off with a
soft cloth.
If moisture forms on the optical parts of the unit, allow the unit to sit for about one
hour with power on.
7. Do not use solvents such as benzine or thinners. Commercially available cleaners
or anti-static spray will damage the unit.
About CD-R/CD-R/W discs:
In addition to commercially-recorded audio CD's, this unit can play CD-R and
CD-R/W discs. In come cases,particularly when recorded on older CD burners,
some CD-R and CD-R/W discs may not play. Also, whenever you are recording
a CD for playback in this receiver, it is recommended that you record at 24x or
slower speed for CD-R and 4x or slower for CD-R/W to achieve higher signal
quality and better playback performance.

Page 10
Page 5
12. PRESET STATION MEMORYAND TOP/>||, INT,RPT, RDM BUTTONS
a) During radio mode:
Go to any preset station by pressing one of the 6 preset station buttons (1-6).
If one ofthese buttons is pressed for more than 2 seconds, the station currently
being listened to will be memorized into the selected preset button.
b) During disc, SD or USB mode:
1) Press the TOP/ >|| button briefly to interrupt the playback of the disc, SD
or USB. Press again toresume normal playback of the disc, SD or USB.
Press the TOP/>|| button and hold forapproximately 0.5 seconds to play the
first track of the disc,SD or USB.
2) Press theINT button to sample thefirst 10 seconds part of each track, and the
INT ON will be visible on the LCD display.
In the processof INT, pressINT button again tostop sampling and to continue
playing the currenttrack, and the LCD will display INT OFF.
3) Press the RPT button once toplay the current track repeatedly, and theRPT
ONE will be visible on the LCD display.
During MP3/WMAdisc, SD or USB mode, press the RPT button twice
continuously to play the current folder repeatedly, and the RPT ABM will be
visible on the LCD display.
In the processof RPT, press RPTbutton again to stop playing repeatedly
mode and theLCD will display RPT OFF.
4) Press theRDM button to play all tracks on disc in random order, and the RDM
ON will be visible on the LCD display.
In the process of RDM, press RDM button again to stop playing in random
order and theLCD will display RDM OFF.
c) During thenormal playback of MP3/WMA disc, SD, USB:
Press the radio preset button6 and 5 to move up and down10 tracks at a time.
13. ST/MO BUTTON
In FM mode, press the ST briefly to select stereo or mono sound mode.
14. LOC/DX BUTTON
Radio station searchmode is dividedby this LOC/DX switch, this button can
be used tocontrol an attenuatorin the tuner during search.
In radio mode,press the LOCbutton to change local reception or distance
reception. Local mode improves reception in some areas where the signal
is too strong.
Note: This button is only for FM reception. In AM mode, LOC is void.
15. LOUDNESS BUTTON
When press shortly, the LOUD mode is turned on, its to enhance the basssound
effect when the volume level is low. Press again to cancel the loudness effect.
16. CLOCK BUTTON
Press the CLK button brieflyto display time for 5 seconds on thedisplay, and
then returns to its previous display unless the button is pressed again.
Then press the CLK buttonand hold formore than 1seconds until the real time
flashes on thedisplay. Then you can adjust HOURor MINUTE by rotating the
VOL knob.
INSTALLATION
To boost up the capability of anti-jamming,
please make sure fix tightly the metal support
strap into the metal joint that connect to the
chassis of the car.
METALSUPPORT STRAP
METAL MOUNTING SLEEVE
DASHBOARD
To remove the unit out of the metal mounting sleeve,
insert the two supplied KEYS into the left and right side
slots of the chassis at the same time. Then pull the chassis
out of the metal mounting sleeve as shown in the right
illustration.
FRONT PANEL
PLASTIC TRIM RING
UNIT CHASSIS
Bend the tabs on the metal mounting
sleeve against the DASHBOARD with
a screwdriver.
INSTALLATION METHOD
This is an anti-theft installation method.
The main unit wears a METAL MOUNTING SLEEVE.
Please connect the wiring, eg, the Power Supply, the Speakers and the Antenna
according to the requirements of this Instruction Manual, then install the metal
mounting sleeve into the car as per the diagram illustrated below.
NOTE
Before mounting and operating
the CD player,remove the metal
mounting sleeve illustrated bythe
arrows.
Remove the two screwsthat
fix the CD deckmechanism player
during transportation before
mounting the player.
RESET BUTTON
EJECT KEY
Push this reset buttonwith a cuspidal
object to renovate thedistorted program
once the program isdistorted.

Page 6Page 9
17. SCAN BUTTON
Press the SCNbutton to scan the radio frequency. If a valid signalhas detected,
the current frequency will be hold and blinking for 5 seconds, then press SCN
again to stop scan and remain the current frequency; otherwise, the radio will
go on to scan the other radio frequency 5 seconds later.
18. AUX INPUT JACK
Press the mode button to select auxiliary input playing mode. Then youcan
connect any matchedexternal audio device to this socket. Use the volume
knob to adjust volume.
19. EJECT KEY
In the power on state, the loaded disc can be ejected by pressing the EJ key.
20. CD SLOT
21. USB SOCKET
When needing toplay the file in the USB stick, turn over the plasticcover cap
then insert theUSB stick into the USB socket. The system will change intothe
USB mode automatically, and then play the first file in the USB.
When no needing to do USB operation, please cover the plastic cover cap.
22. SD CARDSLOT
When you needto play the file in the SD card, insert the SD card into the card
slot. The system will change into the mode automatically, and then playthe
first file in the SD.
Note:
When SD cardand USB stick are both inserted into their slot or socket, the
system will change into the USB mode automatically.
23. FLASHING LED
When the front control panelis removed this indicator flashes.
24. RESET BUTTON
Before operating theunit for the first time, or after replacing thecar battery or
changing the connections.Youmust reset theunit.
Press this button with acuspidal object. This operation willerase the clock
setting and somestored contents.
CONNECTOR A
1.
2.
3.
4. Memory +12V
5. Auto Antenna Output
6.
7. 12V (To Ignition Key)
8. GROUND
CONNECTOR B
1. Rear Right Speaker (+)
2. Rear Right Speaker (-)
3. Front Right Speaker (+)
4. Front Right Speaker (-)
5. Front Left Speaker (+)
6. Front Left Speaker (-)
7. Rear Left Speaker (+)
8. Rear Left Speaker (-)
ISO SOCKET SKETCH
FUSE 15 A
BLACK
ISO SOCKET
RCA LINE OUT
RED R
WHITE L
WIRES CONNECTION
GRAY
ANTENNA LINE IN

Page 8
Page 7
1. Power On/Off
2. Mute Button
3.
4. Level/MENU UPButton
5. SEL/MENU
Loudness Button
Button
6. Level/MENU DownButton
7. MO/ST Button
8. A.PButton
9. Band Button
10. Mode Button
11. Tune/Seek Up And Track Skip Up/FF Button
12. Tune/SeekDown And Track Skip Down/REW Button
13. SCAN BUTTON
14. Clock Display/Setting Button
15. LOC/DX Button
16. CD Track TOP/>||/Radio Preset 1
17. CD Track INT/Radio Preset 2
18. CD Track RPT/Radio Preset 3
19. CD Track RDM/Radio Preset 4
20. Radio Preset5
21. Radio Preset6
OPERATION OF REMOTE CONTROL
4
6
8
14
16
18
20
7
11
15
19 21
15
3
13
12
10
9
17
2
6
45
13
2
POWER
MUTE
CLK A.P -
+
SEL
DN UP
ST
LOC LOUD
SCN
MODE BAND
TOP/ RPTINT
RDM
An insulation tag was installed in your remote by the manufacturer to prevent the
battery from draining. Removing the tag from the remote before using.
BATTERY INFORMATION:
Lithium Battery: CR2025 3V
Battery Life: Approximately 6 months.
Replacing the Battery from the Remote Controller:
1) Remove the battery holder by pressing the locking tab with your thumb
and pulling it out.
2) Replace the battery with the same type and the “side facing up.
3) Gently push in the holder until securely locked into place.
WARNING:
+”
Do not recharge, disassemble or dispose of in fire.
Battery leakage may cause damage to the unit.
To avoid the risk of accident, keep batteries out of reach of children.
MAINTENANCE OF REMOTE CONTROL
+ side up
B
A