Naxa NPB-428 User manual

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IMPORTANT NOTES
INTRODUCTION
Thank you for buying our product.
Please read through these operating instructions, so you will know how to operate your equipment
properly. After you finished reading the instructions manual, put it away in a safe place for future
reference.
WARNING
To prevent fire or shock hazard, do not expose this appliance to rain or moisture. To avoid electrical
shock, do not open the cabinet; refer servicing to qualified personnel only.
CAUTION
Use of controls or adjustment or performance of procedures other than those specified herein may result
in hazardous radiation exposure.
DANGER
Invisible laser radiation when open and interlock failed or defeated. Avoid direct exposure to beam.
This Compact Disc player is classified as a Class 1 LASER
PRODUCT.
THE CLASS 1 LASER PRODUCT label is located on the rear
exterior.
NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized
modifications could void the user’s authority to operate the equipment.
Avoid installing the unit in locations described below:
1. Places exposed to direct sunlight or close to heat radiating appliance such as electric heaters, on
top of other stereo equipment that radiate too much heat.
2. Places locking ventilation or dusty places.
3. Places subject to constant vibration.
4. Humid or moist places.
Operate turning controls and switches as instructed in manual.
Before turning on the power for the first time, make sure that the power cord is properly installed.
Store your tapes or CD in a cool area to avoid damage from heat.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO DOT REMOVE COVER (OR
BACK). NO USER SERVICEABLE PARTS INSIDE, REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
WARNING: Remove batteries if exhausted or if they will not be used again for a long period.
-The incorrect use of batteries can cause electrolyte leakage and will corrode the compartment or
cause the batteries to burst, therefore:
-Do not mix battery types, e.g. alkaline with zinc carbonate.
-When inserting new batteries, replace all batteries at the same time.

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FEATURESAND CONTROLS
1. HANDLE
2. CD COMPARTMENT
3. CD DOOR OPEN/CLOSE
4. STANDBY ON/OFF BUTTON
5. POWER INDICATOR
6. FM STEREO INDICATOR
7. DISPLAY
8. VOLUME CONTROL
9. TUNING CONTROL
10. BASS BOOST BUTTON
11. CD PLAY/PAUSE/USB BUTTON
12. CD STOP BUTTON
13. CD SKIP/SEARCH BACKWARD
BUTTON
14. CD SKIP/SEARCH FORWARD
BUTTON
15. FUNCTION SWITCH
16. BAND SWITCH
17. CD FOLD.+/+10 BUTTON
18. PROG./P-MODE BUTTON
19. CD FOLD.-/-10 BUTTON
20. CASSETTE COMPARTMENT
21. SPEAKERS
22. AUX IN JACK
23. CASSETTE KEYS
(PAUSE-STOP/EJECT-REWIND-FAST
FORWARD-PLAY-RECORD)
24. FM TELESCOPIC ANTENNA
25. AC SOCKET
26. BATTERY COMPARTMENT
27. SPEAKER JACK (L/R)
28. AC VOLTAGE SELECTOR (FOR
DUAL VOLTAGE VERSION)
29. USB PORT
30. REMOTE SENSOR
POWER SUPPLY
1. BATTERY OPERATION
-REMOVE THE BATTERY COMPARTMENT DOOR.
-INSERT 8 PIECES UM-1 (D SIZE) BATTERIES INTO THE BATTERY COMPARTMENT WITH
BATTERY POLARITY POSITIONED AS INDICATED. NOTE: WE RECOMMEND THE USE OF
ALKALINE BATTERIES.
-CLOSE THE BATTERY COMPARTMENT DOOR.
2. AC OPERATION
-THE AC POWER CORD IS LOCATED INSIDE THE BATTERY COMPARTMENT.
-PLUG THE AC LINE CORD INTO ANY NORMAL HOUSEHOLD AS MAINS OUTLET IN
CORRECT VOLTAGE AND THE MAINS SOCKET.
RADIO OPERATION
Press the STANDBY ON/OFF button to turn on the unit, set the FUNCTION SWITCH to “RADIO”
position.
FM/FM ST. BAND
Select FM ST. mode by band selector switch. Turn the TUNING control to select the desired station. The
FM stereo indicator will light up which shows a FM stereo broadcast is being received, fully extend the
FM antenna and adjust its direction for best FM reception. If the FM broadcast signal is weak, slide the
switch to “FM” position to turn off the FM stereo, FM stereo indicator will disappear and the
background noise will be reduced but the broadcast becomes monaural.

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AM BAND
Select AM mode by band selector switch. Turn the TUNING control to select the desired station. For
AM reception, the set is controlled by a built-in ferrite aerial which is directional. Therefore, the set
should be positioned for the best signal strength.
LOADING THE BATTERIES INTO THE REMOTE HANDSET
Open the battery compartment cover.
Insert two “AAA” batteries (not included) as indicated inside the battery compartment.
Close the cover.
KEY FUNCTIONS:
1. CD PLAY/PAUSE BUTTON
2. CD SKIP FORWARD BUTTON
3. CD STOP BUTTON
4. +10 MP3 BUTTON
5. CD SKIP BACKWARD BUTTON
6. CD/USB BUTTON
7. PROG./P-MODE BUTTON
8. BATTERY COMPARTMENT
REMOTE CONTROL OPERATION
To operate the unit with the remote control, point the remote
handset at the remote sensor on the front panel and press the
appropriate button on the remote handset.
The remote works best within a range of 6 ~ 7 meters from the
front panel and on an angle of 30 degrees. Bright sunlight or
room light conditions can interfere with the remote control. If
the remote operation is unsatisfactory or stops working entirely,
first try replacing the remote batteries, then try reducing the
room lighting conditions.
CASSETTE OPERATION
PLAYBACK OF CASSETTE
Be sure to tighten any slack tape in the cassette before use, using either a pencil or a ballpoint pen,
simply insert the pen or pencil into the center of spool and rotate to remove slacks. Depress the
STOP/EJECT button to open the cassette door.
Insert the cassette into the compartment with the open end facing upwards and the full reel on the left
hand side, push the cassette well down and close the door, be sure not to touch the tape surface, Set the
Function switch to “TAPE” position and press the cassette play button. To stop playback, press the
STOP/EJECT button once. To release the cassette, press the STOP/EJECT button again.
AUTO STOP
When the tape reaches the end during playback or recording, the built-in auto stop system will release
the depressed play, record keys. The auto stop system operates while recording from the built-in radio or
CD player, only the cassette function is brought automatically to stop mode and the radio or CD Player
will continue to play.

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TAPE RECORDING
A. Install a cassette tape.
B. Set the FUNCTION SWITCH to “RADIO” position. After selecting the desired band and tune the
TUNING KNOB to desired broadcast station. Then push down RECORD BUTTON and PLAY
BUTTON simultaneously.
C. After recording the desired broadcast, depress the STOP/EJECT BUTTON lightly, and then set
FUNCTION SWITCH to “TAPE” position in order to listen to the recorded broadcast.
D. If you desire to play recorded broadcast, please follow the instructions explained in playback section.
ERASURE: When you record over previously recorded tape, the original recording is automatically
erased and replaced by these newly recording materials.
Note: Tape recording is also available for CD playback (set FUNCTION SWITCH to
“CD+MP3+USB+AUX” position). See details in CD section.
TYPES OF CASSETTE
Use only good quality cassettes (IEC TYPE 1) for making recordings. May be used to replay other types
of cassette but is unable to make proper recording on these more specialized tapes.
The use of C120 cassettes is NOT recommended in this machine.
PROTECTING RECORDING
Normally, anything recorded on the tape is automatically erased when new recording is made. It is
possible to protect your recording from accidental erasure by removing the tabs found on the rear of the
cassette.
When the cassette is held with the recorded side upper-most and exposed tape facing the front, the
protective tab will be found on the left rear of the cassette.
All pre-recorded cassette are protected in this way to prevent accidental erasure of the commercial
recording. “Protected” cassette will prevent the record button from being operated. If at any time you
attempt to record and find that this button will not depress, never force the mechanism or it may be
damaged. Check that a cassette has been loaded and that tab has not been removed. Recording on a
cassette from which the tabs have been removed can be done by covering the tab openings with a piece
of adhesive tape.
CARE OF CASSETTE MECHANISM
Gently clean the tape head and pinch wheel/capstan assemblies after every 10 hours of using the unit.
A range of cassette care products are available.
The erase head and record/play head and the surface of the pinch roller are delicate and must not be
touched with metal objects such as screwdrivers. You may find it easier to clean the assembly by
pressing the PLAY button to bright head and pinch roller into view. Be sure to press the STOP button
after cleaning the mechanism.
Damage to the pinch wheel can occur if the unit is left in PLAY mode with the power switch off. Under
no circumstances should you attempt to lubricate any part of the machine.

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USINGTHE CD/MP3
LOADINGA DISC
1. Set the FUNCTION switch to CD/MP3/USB/AUX position.
2. Open the CD door.
3. Place an audio CD into the tray with the label side facing up.
4. Close the CD door.
The total number of tracks will appear on the display after several seconds.
5. To remove the CD, press OPEN to open CD compartment lid, grasp the CD by its edges, and
carefully take it out.
Note:
To ensure good system performance; wait until the disc tray completely reads the disc before
proceeding.
If no disc is loaded into the compartment, or the disc is placed upside down, the display will show
N0D.
1. Press the PLAY/PAUSE/USB button to start playback.
The playback starts from track 1, the “ ” indicator is shown on the display.
To interrupt playback, press the PLAY/PAUSE/USB button. The “ ” indicator and the current
track will flash on the display.
To resume playback, press the PLAY/PAUSE/USB button again.
2. To stop playback, press the STOP button, the total number of tracks appearson the display.
SELECTINGA DESIRED TRACK/PASSAGE
To select a desired track
Press the CD SKIP/SEARCH FORWARD/BACKWARD button repeatedly in stop mode or during
play until the desired track appears on the display.
Press the PLAY/PAUSE/USB button to start play.
To search for a particular passage during playback (track scanning at high speed)
Press and hold the CD SKIP/SEARCH FORWARD/BACKWARD button to scan the current playing
track at high speed until desired point passage, and then release the button.
Playback will start again from this point.
To select a song which track number exceeds 10
To select a song/track which number exceeds 10, Press the FOLD+/+10 button each time to skip
forward/backward 10 tracks, then press the CD SKIP FORWARD/BACKWARD button to select desired
track. For example: to select the 17th track, press FOLD+/+10 button, and then the CD SKIP FORWARD
button six times immediately.
To Select A Desired Folder（for MP3 disc only）
(if the MP3 disc contains more than one folder)
To skip to the desired folder during playback, press and hold the
FOLD+/+10 or FOLD-/-10 button for about 2 seconds to skip to next/previous folder.
PROGRAM TRACKS
Programming tracks of disc are possible when playback is stopped. Up to CD 20 tracks /MP3 99 tracks
can be stored in the memory in any order.
1. In stop mode, press the PROG./P-MODE button, the PROGRAM will flash and the P01 indicator
will be on.
2. Press the CD SKIP/SEARCH FORWARD button to select the first desired track to be programmed.
3. Press the PROG./P-MODE button to enter. The display changes to show P02.
4. Repeat steps 2 & 3 to store other desired tracks until all tracks are programmed.
5. Press the PLAY/PAUSE/USB button to start playback from the first programmed track.
6. Press the STOP button to stop program playback.
Note: You can press the PLAY/PAUSE/USB button to enter the USB playing mode, follow the above
steps to proceed PROGRAM TRACKS ON USB play.

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To Erase the Memory (Program)
To clear the program, you have two options:
1. Press the STOP button when the disc is stopped, or
2. Open the CD compartment lid, program will be erased.
REPEAT
To Repeat a Single Track
1. Press the PROG./P-MODE button once in play mode, “ REPEAT ” will flash on the display. The
current track will be played repeatedly until the STOP button is pressed
2. Press the PROG./P-MODE button once more to cancel.
To repeat all the Tracks
1. Press PROG./P-MODE button twice in play mode, “REPEAT ” shows steady on the display, all
tracks on the disc will be played repeatedly until the STOP button is pressed.
2. To cancel repeat play, press the PROG./P-MODE button once more.
To repeat current Directory (for MP3 only)
1. Press PROG./P-MODE button twice in play mode, “ REPEAT FOLDER” shows steady on the
display, The current directory will be played repeatedly until the STOP button is pressed.
2. Press the PROG./P-MODE button once to cancel.
RANDOM PLAY
Press the PROG./P-MODE button in play mode till the “RANDOM ” shows steady on the display, the
random play will start from next track automatically(or press CD skip forward button), until all tracks
are played over and then stop. Press the PROG./P-MODE button once to cancel.
INTROSCAN PLAY（for CD disc only）
Press the PROG./P-MODE button in play mode till the “INTRO” shows steady on the display, the unit
will start to play the first 10 seconds of music of each track, until all tracks are played over and then stop.
Press the PROG./P-MODE button once to cancel.
LISTENING TO USB PLAYBACK
1. Press the PLAY/PAUSE/USB button to select USB playing mode while the FUNCTION switch set to
CD/MP3/USB/AUX position.
2. Connect the USB to the USB INPUT. The LCD will display total number of tracks stored inside the
USB.
3. Press the PLAY/PAUSE/USB button to start playing. Press the PLAY/PAUSE/USB button once again
to temporarily stop. The track number will flash.
4. Press the STOP button to stop playing. The display will show total number of tracks.
5. Proceed repeat play (repeat 1/repeat folder/repeat all)/program play/random play/skip up and down
operation as the same described in above “USING THE USB/MP3”.
CAUTION:
Do not use any USB extension cable for connecting the USB stick which may cause harmful
interference
In case of malfunction due to electrostatic discharge, just reset the product (reconnect of power
source may be required) to resume normal operation.
BASS BOOST SYSTEM
The BASS BOOST BUTTON controls the bass of the unit. Bass sound is the lower frequency ranges of
sound. The knob can be pushed to OFF or ON position, When the BASS BOOST is on, the unit boosts
(increases) the sound output of the bass frequencies.

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AUX IN OPERATION
This unit has provided special AUX IN jack, through this jack other audio sources can be connected to this
unit and be amplified.
1. Set the FUNCTION switch to CD/MP3/USB/AUX position.
2. Connect the audio cable into the AUX IN jack and the other end connect to the AUDIO OUT jack of the
external audio source. The unit will change to AUX mode automatically.
3. Adjust the volume of the main unit to your desired level. Press PLAY of the external audio source to
start playback.
SPECIFICATIONS
GENERAL
Power Requirement AC 110/220V ~ 60/50Hz
DC 12V UM-1 x 8 PCS
Power consumption AC 20 Watts
Weight Approx. 4.4 kg
Dimensions Approx. 455mm (L) x 230mm (W) x 220mm (H)
Operation temperature +5° C - + 35 °C
REVEIVER SECTION
Receiving Bands AM/FM
Tuning Range AM 530 - 1710 KHz
FM 88 - 108MHz
(YOUR EXACT TUNING RANGE CAN BE
CHECKED FROM BACK PLATE OR UNIT)
COMPACT DISC SECTION
OpticalPickup 3-BeamLaser
Frequency Response 100Hz – 16 KHz
CASSETTE SECTION
Recording System 2 Tracks 2 channel (Stereo)
BiasingSystem DCbias
Frequency Response 125 – 6.3 KHz
Wow and Flutter 0.35 % WRMS (JIS)
AUDIO SECTION
Power output Maximum2.5 Watts x 2
Auxinjack 3.5mm
ACCESSORIES
Instruction Booklet 1
RemoteSensor 1
Caution
To avoid electric shock, this unit must not be exposed to dripping water splash.
Ventilation warning - The normal ventilation of the product shall not be impeded for intended use.