Nextar MA852s User Manual

MA852 MP3/MP4 Digital Audio/Video Player

Instruction Manual

TABLE OF CONTENT

Cautions … .… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … .… … 3

1 Key Features… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … .. 4
2 System Requirements… … … … … … … … … … … … … … … … … … … … … … … … … … … 4
3 Package Content … … … … … … … … … … … … … … … … … … … … … … … … … … … … … .5
4 Before Using… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … .5
5 Keys Description… … … … … … … … … … … … … … … … … … … … … … … … … … … … … ..7
6 Power On/Off… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … ...8
7 Basic operation… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … 8
8 Playing music… … … … … … … … … … … … … … … … … … 。… … … … … … … … … … … … .9
9 Playing videos… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … 10
10 Viewing photos… … … … … … … … … … … … … … … … … … … … … … … … … … … ...… .11
11 Reading E-book… … … … … … … … … … … … … … … … … … … … … … … … … … … … .12
12 Browsing all files… … … … … … … … … … … … … … … … … … … … … … … … … … … … ..13
13 Voice Recording… … … … … … … … … … … … … … … … … … … … … … … … … … … … ..13
14 Deleting file… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … ..14
15 FM Radio… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … .14
16 Playing game… … … … … … … … … … … … … … … … … … … … … … … … … … … … … ...17

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17 Customizing Settings… … … … … … … … … … … … … … … … … … … … … … … … … … .18
18 Troubleshooting… … … … … … … … … … … … … … … … … … … … … … … … … … … … ..21
19 Technical Specifications… … … … … … … … … … … … … … … … … … … … … … … … … .24
20 Notice… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … 25
21 Precautions… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … ..26
22 Listening caution… … … … … … … … … … … … … … … … … … … … … … … … … … … … .27
23 FCC Caution… … … … … … … … … … … … … … … … … … … … … … … … … … … … … … 28
24 FCC Compliance… … … … … … … … … … … … … … … … … … … … … … … … … … … … .29

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Cautions

 Do not subject the device to severe impact or drop it from high position.
 Do not use the player in extreme hot or cold, dusty or damp field. Do not

expose it to direct sunshine.

 Back up the data frequently in case of accident data loss.
 Avoid using the player in strong magnetic field.
 Keep the device away from water or other liquids. In the event that water or

other liquids enter the device, power off the product immediately, and clean
the device.

 Do not use chemical solution to clean the device in order to avoid corrosion.

Clean it with a dry cloth.

 We are not responsible for the damages or lost data caused by malfunction,

misusing, repairing the device or battery replacement.

 Do not attempt to disassemble, repair or modify the product. This will

invalidate guarantee.

 The design of the player or actual display may be different from what is shown

in this manual. It should be subject to the actual display or design.

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1 Key Features

 MP3&WMA Player
 AVI Video player
 JPEG image viewer
 Folder Navigation
 Voice Recorder
 FM Tuner
 FM Encoding
 Removable Storage Device
 Funny games
 Built-in rechargeable lithium-ion battery
 Customized settings

2 System Requirements

 Hardware: IBM PC & Compatible PC, Notebook with USB interface
 Operating System: Windows98/SE, Windows Me, Windows2000/XP

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3 Package Content

Please check the package for the following items. If any one of them is missing,
please contact the vendor:

 Main Unit
 Stereo earphones
 USB cable
 User Manual
 Driver CD

4 Before Using

4.1 Connect to a PC and download audio files

This player is plug & play for WIN2000/XP/ME OS. But for Windows98/SE, you are
required to install a driver before connection (See “Driver Installation”section for
details). To connect it with PC for transferring files,
(1) Plug the larger end of the USB cable to the USB port of the PC, and plug the

smaller end to the USB port of the player.

(2) When the “ ”icon appear at the right bottom of the PC screen, double click

“My Computer”on the desktop, you see a removable disk which indicates the

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player. Just use the removable disk as a regular local disk, copying files from
or to it.

4.2 Removing the player from the PC safely

For Windows2000/XP:

(1) Left click the icon at the right hand corner of the taskbar.
(2) Click the pop-up mini-window with message of “Stop the USB Mass Storage

Device –Drive (X)”.
(3) When you are prompted to remove the device, pull out the player.
For Win98, please make sure the data transfer is completed before unplugging the
MP3 player.

4.3 Charge the battery
The device has a built-in lithium-ion rechargeable battery. It is charged via USB
connection. You are required to charge it before you use it for the first time. It takes
about 3 hours to fully charge the battery.
To charge the battery, connect the larger end of the USB cable to the USB interface of
PC, and connect the other smaller end of the USB cable to the USB interface of this
player. The device is connected to PC and being charged. If you want to know the

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charge progress, disconnect the device safely by clicking the “ ”icon. You see an
animating battery icon indicating charge progress. When the icon becomes green, the
battery is fully charge.

Notice:

For maximum performance, lithium-ion batteries need to be used often. If you
don’t use the device often, be sure to recharge the battery at least once per
month.

5 Keys Description

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6 Power On/Off

To power on,
(1) Switch on the POWER button.
(2) Press and hold the key until you see prompt on the display.
To power off,
(1) Press and hold the key until you see prompt on the display.
(2) Switch off the POWER button.

Note: This player has a power-saving feature which enables the device to power
off automatically if it is idle for about 3 minutes.

7 Basic operation

Function Operation

Play/Pause Press the PLAY/PAUSE button to play or pause.

Adjust Volume (1) Shortly press the VOL button to see a volume adjustment

icon animating.

(2) Press the PREVIOUS/NEXT button to decrease or

increase volume.

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(3) Press the VOL button to confirm.

Move to the
previous file

Move to the next file Shortly press the NEXT button.

Fast Forward Press and hold the NEXT button.

Rewind Press and hold the PREVIOUS button.

Lock/unlock buttons Hold down the Play/Pause and VOL button simultaneously.

A-B Repeat To repeat a specified section of a track,

8.1 Enter the music mode

Press and hold the MENU button to display the main menu. Use the PREVIOUS/NEXT

Shortly press the PREVIOUS button.

(1) During playing, shortly press the VOL button to enter A-B

repeat mode.
(2) Press the MENU button to select the start point.
(3) Press the MENU button again to select the end point.
To stop A-B repeat, press the MENU button first, and then
press the VOL button to exit.

8 Playing music

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button to select “Music”menu, and press the MENU button to confirm selection. Now
you are in the MUSIC mode, refer music playing to the basic operations.

8.2 Folder navigation
To navigate through folders:
(1) In the MUSIC mode, shortly press the MENU button to enter folder navigation

mode.

(2) Press the PREVIOUS/NEXT button to select a folder or track, and press the MENU

button to confirm selection.

9 Playing videos

(1) Press and hold the MENU button to display the main menu.
(2) Use the PREVIOUS/NEXT button to select “Video”menu, and press the MENU

button to enter the video player mode.

(3) Press the PREVIOUS/NEXT button to search a video file that you want to play, and

press the MENU button to play. For detail information about playing, see the “Basic
Operation”section. (Note: During playing, you can shortly press the MENU button
to enter folder navigation mode.)

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Note: This player can only play AVI videos. For other formats, you need to use the
converting tool included on the driver CD to convert them. For detail information about
the converter, see AVI Converter Quick User Guide on the CD.

10 Viewing photos

To view photos,
(1) Press and hold the MENU button to display the main menu.
(2) Select “Photo”and press the MENU button to confirm.
(3) Press the PREVIOUS/NEXT button to select a folder or image, and press the

MENU to confirm.

(4) Select the photo that you want to display and press the MENU button to enlarge it

to full screen.

(5) In the full screen mode, you can press the PREVIOUS/NEXT button to display the

previous or the next photo. Press the PLAY/PAUSE to start auto slide show, or
press the MENU button to enter folder navigation mode.

Note: Some images may not be displayed. Try to use an image viewer (Microsoft - Paint
for example) to convert them to JPEG format.

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11 Reading E-book

11.1 Reading
(1) Press and hold the MENU button to display the main menu.
(2) Select “E-book”and press the MENU button to confirm.
(3) Press the PREVIOUS/NEXT button to select a .txt file, and press the MENU button

to open the selected file.

(4) Press the PREVIOUS/NEXT button to page up/down, or press the PLAY/PAUSE

button to page up/down automatically (by setting the time interval between 1 and 5
in Settings/Auto Slide show/Text).

(5) During reading, you can use the bookmark to mark the page for resuming reading

later. For information about bookmark, see “Using bookmark”section.

11.2 Using bookmark
(1) Go to the page that you want to mark.
(2) Press and hold the VOL button to show up a “Save Bookmark”window for

saving bookmark.

(3) Press the PREVIOUS/NEXT button to select one line on the menu and press

the MENU button to confirm. The bookmark is saved. It starts from the first
line of current page.

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(4) To read the page that you marked, shortly press the VOL button to show up

the “Load Bookmark”window. Select the bookmark and press the MENU
button to confirm. You will be guided to that page.

Note: Some TXT file may not be read. This may because its format is not
supported. Skip it or reload another file.

12 Browsing all files

To browse all files stored in the player,

(1) Press and hold the MENU button to display the main menu.
(2) Select “Explorer”，and press the MENU button to enter the browser mode.
(3) Press PREVIOUS/NEXT button to select a file that you want to view, and

press the MENU button to play or display it.

13 Voice Recording

 Record

(1) Press and hold the MENU button to display the main menu.
(2) Select“Record”，and press the MENU button to enter the recorder mode.
(3) Shortly press the PLAY/PAUSE button to start recording. During recording,

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you can press the PLAY/PAUSE button to pause/resume recording.

(4) Shortly press the MENU button to stop and save recording.

 Play recordings

To play the recording, switch to the MUSIC mode, enter folder navigate mode,
search and play the recording file.

14 Deleting file

To delete a file,

(1) In the folder navigation mode, select the file that you want to delete.
(2) Press and hold the VOL button until a dialogue box shows up.
(3) Use the PREVIOUS/NEXT button to select “YES”and press the MENU button

to confirm.

15 FM Radio

On the main menu, select “FM Tuner”and press the MENU button to turn on the
FM radio.

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 Search Station

(1) Shortly press the MENU key to show the submenus. You see the menu items

displayed on upper left and right corner. Menu in red is highlighted and
selected, while menu in black is not. You can press the PREVIOUS/NEXT
button to switch highlighted menu.

(2) Switch to the “Auto”or “Manual”, and press the MENU button to activate

auto-search or manual-search mode. In the Manual mode, press the
PREVIOUS/NEXT button to tune in stations.

Note: Please plug in the earphone to the player before scanning radio station.

 Save station

To save the found station,
(1) Shortly press the MENU button to activate the submenus.
(2) Press the PREVIOUS/NEXT button to switch to the “Save”and press the

MENU button to confirm.

(3) Press the PREVIOUS/NEXT button to select an empty location for the station,

and press the PLAY/PAUSE button to continue.

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(4) Press the PREVIOUS/NEXT button to select “YES”or “NO”, and press the

PLAY/PAUSE button to confirm.

(5) Press the MENU button to hide the channel list.

 Listen to Station

To listen to saved station,
(1) Shortly press the MENU button to activate submenus.
(2) Press the PREVIOUS/NEXT button to switch to the “Preset”menu and press

the MENU button to enter the PRESET mode.

(3) In the PRESET mode, press the PREVIOUS/NEXT button to select a saved

station for listening.

 Delete station

(1) Shortly press the MENU button to activate submenus.
(2) Press the PREVIOUS/NEXT button to switch to the “Delete Station”menu

and press the MENU button to continue.

(3) Press the PREVIOUS/NEXT button to select the station that you want to

delete, and press the PLAY/PAUSE button to continue.

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(4) Press the PREVIOUS/NEXT button to select “YES”or “NO”, and press the

PLAY/PAUSE to confirm.

 Record FM program

When you are listening to a station, you can press and hold the VOL button to
record your favourite programs. For detail information about recording, see
“Record”section.

16 Playing game

This player provides a popular and funny game - Tetris World. To activate the game, on
the main menu, select “Game”and press the MENU button to enter the gaming mode.
Basic operation is as follows:

Start game Press the PLAY/PAUSE button
Move the block left and right Press VOL and MENU button
Rotate the block Press the PREVIOUS button

Insert the block Press the NEXT button

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17 Customizing Settings

To customize the player settings:

(1) On the main menu, select the “Settings”item and press the MENU button to

enter the system settings mode.

(2) Press the PREVIOUS/NEXT button to select setting item and press the MENU

button to confirm or press the VOL button to cancel/return.

Music Repeat mode

Once（Play current track once and then
stop）

Repeat One (Repeat current track)
Folder（Play all audio files in the current

folder and stop after playing）
Folder Rep.（Repeat all audio files in
the current folder）
Normal（Play all audio files stored in the
player and stop after playing all）
Repeat All（Repeat all audio files stored
in the player）
Intro（Play the first 10 seconds of every

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Preset EQ Normal, 3D, Rock, Pop, Classical,

User EQ
(User-defined
equalizer setting)

FM Radio Stereo SW

(Enable or

audio file）
Order（Play audio files in order）Play mode
Shuffle（Play audio files randomly）

Bass, Jazz, User EQ

(1) Press the VOL button to switch EQ

column.

(2) Press the PREVIOUS/NEXT

button to adjust value.

(3) Repeat pressing the VOL button

until the cursor is on the YES
button, and then press the MENU
button to confirm.

(4) Go to the EQ Select menu, and

select User EQ to enable the
equalizer setting.

On, Off

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Auto slide show

Display

System

disable stereo
effect)

FM region China, Europe, Japan, America

REC Quality High Quality, General QualityRecord
REC Volume +1、+2、+3、+4、+5

TEXT (Set interval between the previous and the next page
when the device is in auto page up/down mode.)

Photo (Set interval between the previous and the next slide
in auto slide show mode.)

Backlight 5 seconds, 10 seconds, 15 seconds, 20

seconds, 30 seconds, Always On.

Brightness (Set the brightness of the screen)

Backlight mode Normal

Power Save (Turn off the screen when
there is no activity within a certain time)

About - Information about the product

Upgrade - Upgrade the firmware

Load Default - Restore the player to default setting

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Sleep Timer
(Set the continuous
playing time before
the player is turned off
automatically.)

Language
(Select language in
which the on-screen
text is displayed)

Problem Possible Cause Solution

Off, 10 minutes, 15 minutes, 30 minutes, 60 minutes, 120
minutes

Simplified Chinese, Traditional Chinese, English, Korean,
Japanese, Spanish, French, German, Italian, Portuguese,
Russian

18 Troubleshooting

The LCD displays
nothing when the
device is started.

The player has no The keys are locked by Unlock the Hold switch by

Battery is too low. Charge the battery.

Unlock the Hold switch by

The keys are locked.

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holding down the PLAY/PAUSE
and VOL button.

response when the
Play button is pressed
to play an audio.

No sound when
playing an audio file.

Hold switch holding down the PLAY/PAUSE

and VOL button.

The volume is too low. Adjust the volume.

Bad audio file. Delete or skip the file.

The player cannot be
connected to the PC.

The displayed time is
changing constantly.

The PC has error
when you plug and
unplug the player.

Total memory Part of memory is used

The USB interface is not
supported by PC’s
motherboard.

The bit rate of the MP3
file is changing during
playback.

The player is
disconnected from the
PC abruptly while
transferring files.

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Update or replace the PC’s
motherboard.

Try to use fixed bit rate to
compress the MP3 file.

Do not disconnect the player
from the PC when transferring
files.

displayed on the
player is not in
accordance with the
marked amount.

Some of MP3 files
cannot be played
properly.

The video cannot be
played.

The photo cannot be
displayed

to store programs and
display characters.

The MP3 file is
compressed by a
standard, such as
MPEG I Layer 1 or
Layer 2 that the player
does not support.

The file format is not
supported.

The video data is
corrupted

The file format is not
supported

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1. Delete the unsupported MP3
files.

2. Use MPEG I Layer 3
standard to compress the
unsupported MP3 files.

Make sure the video is in AVI
format. If not, use the provided
converting tool to convert it.

Skip it or reload another file

Try to use an image editor
(Microsoft - Paint for example)
to convert it.

The device supports a
The image resolution is
beyond limitation of the
device.

The TXT file cannot be
read

Item Specification

Capacity 128MB or above

Battery Type Rechargeable Lithium Battery

Battery Life Approx. 5 Hours

LCD Display 2.0-inch TFT screen

Earphone Power 5mW+5mW

Video Format AVI (XviD)

Audio Format MP3, WMA, DRM9

The file format is not
supported.

19 Technical Specifications

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maximum resolution of 3520 X

2816. Make sure resolution of

the image does not excess this

limitation.

Skip it or reload another file.

Photo Format JPEG

Image Resolution 3520 X 2816 (Max.)

Record Format WAV (High: 16kbps/16KHz; General: 16kbps/8KHz)

Bit Rate MP3: 8-320kbps; WMA: 32-384kbps

SNR ＞90dB

USB Port USB2.0

Operational Temperature 0℃ ~ +55℃

Storage Temperature

Operational Relative
Humidity *

Storage Relative Humidity *

 Make sure all keys are enabled before operation. If they are locked, hold down the

PLAY/PAUSE and VOL button to unlock them.

 Please charge the battery immediately when the display indicates low battery, or

the device will be powered off automatically.

-20℃ ~ +55℃

20% ~ 90% (40℃)

20% ~ 93% (40℃)

20 Notice

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 Please disconnect the player from PC properly to avoid data loss.
 The transfer rate displayed on the PC may be different depending on the operating

system. Exact transfer rate should be subject to the player's indication.

 When the recorded voice file is too large, the response of the device may be slow.

21 Precautions

1). When not using the player for an extended period of time, remove the batteries to
avoid damage due to leakage. (Apply to Models that come with AAA or AA battery)

2). Do not use the player in extremely hot, cold, dusty or damp environments.

3). Make sure the HOLD key is in the unlock position before using the player (otherwise
controls will not function).

4). Avoid dropping or striking the unit .This may cause external and internal physical
damage to the player.

5). Replace battery with new one if: (Apply to Models that come with AAA or AA battery)

a) The battery level icon displays

(An empty battery)

b) The players powers off automatically and off again when restarted.

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c) No response when pressing keys with HOLD off and battery installed

6). To prevent damage from static shock, never use the player in very dry conditions.

7). When player is being formatted or transferring a file, do not interrupt the connection.
Otherwise, data may be corrupt of lost.

8). When the player is used as a portable HD, please use only per instructions.
Otherwise, permanent data loss could occur.

22 Listening caution

Do not play your headphones or earphones at a high volume. Hearing experts advise
against continuous extended play.
If you experience a ringing in your ears, reduce volume or discontinue use.
Do not use while operating a motorized vehicle. It may create a traffic hazard and is
illegal in many areas.
You should use extreme caution or temporarily discontinue use in potentially hazardous
situations.
Even if your headphones or earphones are the open-air type designed to let you hear
outside sounds, don’t turn up the volume so high that you can’t hear what’s around you.
Sound can be deceiving. Over time your hearing “comfort level”adapts to higher

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volumes of sound. So what sounds “normal”can actually be loud and harmful to your
hearing.
Guard against this by setting your equipment at a safe level BEFORE your hearing
adapts.

To establish a safe level:
Start your volume control at a low setting.
Slowly increase the sound until you can hear it comfortably and clearly, and without
distortion. Once you have established a comfortable sound level:
Leave it there.

23 FCC Caution

This equipment has been tested and found to comply with limits for Class B digital
device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio or television reception, which can be determined by

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turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:

1. Reorient or relocate the receiving antenna.

2. Increase the separation between the equipment and the receiver.

3. Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

4. Consult the dealer or an experience radio/TV technician for help.

24 FCC Compliance

 To assure continued compliance, following the attached installation

instructions.

 Use only the provided shielded the interface cables when connecting to

computer.

Any unauthorized changes or modifications to this equipment would void the user’s
authority to operate this device.

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This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
ope

ration.

Industry Canada Requirement:
The Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme á la norme NMB-003 du Canada.

Other names of system and products mentioned in these instructions are
usually the registered trademark or trademarks of the manufacturers who

veloped the system or product concerned.

de

This manual was correct and complete at the time of printing. However, specifications

d updates can occur at any time without prior notice.

an
No part of this manual may be copied, republished, reproduced, transmitted or

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distributed in any way without prior written consent of Nextar, Inc. Any unauthorized
distribution of this manual is expressly forbidden.

Nextar, a trademark of Nextar (Hong Kong) Limited (Pending)

Nextar may find it necessary to modify, amend or otherwise change or update this
manual. We reserve the right to do this at any time, without any prior notice. All
specifications and features are subject to change without notice. All screen shots
shown are simulated and may not represent the actual screen on production units sold
to consumers.

For instruction manuals, updated drivers or other information, be sure to visit our
website at:

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www.Nextar.com

Or write us at:

Nextar

1661 Fairplex Dr.

La Verne, CA 91750

USA

Copyright © 2008

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