Netac C635 User Manual

Notice

This manual contains information protected by copyright law. All
rights are reserved. No part of this document may be used or
reproduced in any form or by any means, or stored in a database/
retrieval system without prior written permission from Netac
Technology Co., Ltd.
Netac provides the repair service during warranty period in
promised support range. Netac MP3 Player is not guaranteed
for its compatibility with all kinds of computers and Operating
System. Netac Technology Co., Ltd. is not responsible for any
loss arising out of using Netac MP3 Player. The governing laws
for this product are laws of the People’s Republic of China.
Netac reserves the rights to update user’s manual based on
the application upgrade without prior notice. All changes will
be put into the new edition manual. Please visit website
http://www.netac.com to download the latest user’s manual.

Netac MP3 Player C635

Catalogue

1
1
2
3
3
4
5
6
7

8
12
14
14
14
14
15
16
17
17
18

1. Introduction

1.1 Features

1.2 Functions and Buttons

2. Usage on the Computer

2.1 Utilities Installation

2.2 Connecting with the Computer

2.3 Data Transferring

2.4 Disconnecting

2.5 Format MP3 Player

2.6 Bootable & Dual Zone (Normal & Secure Disk) Function

2.7 Firmware Update

3. Basic Operations

3.1 Battery

3.2 Button Definition

3.3 HOLD

3.4 Power On/Off

3.5 Main Menu

4. MSC (Music Mode)

4.1 Basic Operations

4.2 Playing Settings

21
22
24
24
25
27
27
27
28
28
29
29
30
32
34
34
36
37
39
42

4.3 Pause Settings

4.4 LRC Showing

5. REC (Recording Mode)

5.1 Recording Settings

5.2 Recording

6. RPL (Recorded File Playing Mode)

6.1 Basic Operations

6.2 Recorded File Playing Settings

6.3 Recorded File Pause Settings

6.4 Sound Conversion

7. FM (FM Mode)

7.1 Basic Operations

7.2 FM Settings

8. SYS (System Settings Mode)

9. Others

9.1 Keystroke Operations List

9.2 FAQ

9.3 Specifications

9.4 RMA Service

9.5 Contact Netac

Netac MP3 Player C635

1.2 Funct ions and Buttons

- 2 -

1. Introduction

Thanks for purchasing Netac MP3 Player (C635). MP3 Player is a
new type of portable digital music player, which perfectly combines
digital music playing, recording, FM receiver and removable hard
disk, etc.

1.1 Features

l Support MP3, WMA and W AV music files
l Built-in FM stereo receiver
l Suppo rt double earphone output
l Lyric (LRC file) shows when music is playing
l Support MIC and FM re cording
l Support A-B repeat
l Support multiple sound modes and playback mod es
l User-de fined off time and sleep time
l Flash D rive without driver installation (except on

Windows 9 8/98SE)

l Supp ort bootable & dual zone (normal & secure

disk) function

- 1 -

Play/Pause Button
MODE Button

HOLD Button

MIC

LCD

Mini USB Port

Earphone Jack

Previous Button

Next Button

Battery Cover

Volume +/-

Netac MP3 Player C635

2.2 Connecting with the Computer

MP3 Player connects with the computer through USB cable.
Connect standard port of USB cable with the computer, Mini port
with MP3 Player, after connected, the LCD of MP3 Player would
display as the following:

MP3 Player would enter USB mode automatically once it is
connected with the computer, here USB port supplies power for
MP3 Player, and you can press MODE button to switch USB
mode to the main menu of MP3 Player. If there were a usable
battery in MP3 Player, MP3 Player would power on automatically
and enter to the main menu after disconnected from the computer
and unplugged the USB cable from the computer.

- 4 -

2. Usage on the Computer

2.1 Utilities Installation

Netac supplies you MP3 Player Utilities to ease your use of MP3
Player. MP3 Player Utilities includes MP3 Player driver (Especially
for users on Windows 98/98SE), MP3 Player Disk Tool (Format
MP3 Player or make bootable/secure disk), MP3 Player Update
Tool (Update MP3 Player’s firmware), Sound Convert Tool
(Convert the recorded ACT file into WAV file and play MP3/WAV
file in the computer).
The installation steps of MP3 Player Utilities are as the following:

1) Insert the installation CD into the driver.

2) Double click the installation file “Setup.exe”, the system would
install MP3 Player Utilities automatically.

Note: The system would install the Installer 2.0 first (according to the
prompts to finish), if your system has not installed it previously on
Windows 98/98SE. Then double click the installation file “Setup.exe”
again to finish the installation of MP3 Player Utilities.

3) The tool would appear in the “Programs” of “Start” after
installation.

- 3 -

Netac MP3 Player C635

- 6 -

2.3 Data Transferring

1) Boot your computer, connect MP3 Player to USB port of
the computer.

2) Windows 98/98SE/Me/2000/XP/Server 2003 (Windows
2000 e.g.): D ouble click “My Computer”, you would find a
new icon named “Removable Disk”, representing MP3
Player. A new icon would appear at the taskbar on
Windows Me/2000/XP/Server 2003, representing MP3
Player.
Mac OS 9.x or above: A new icon named “NO_NAME”
(“Untitled” on Mac OS 9.x) would appear on the desktop of
your computer, representing MP3 Player.
Linux 2.4.2 or above: Enter the system by user ID “root” and
input the command “mount /dev/sda /mnt”.This command
is to create a directory where MP3 Player will be mounted.

Note: “sda” is an unfixed input item, please make relevant changes
according to Linux operating discipline.

3) Then you can copy, delete or edit data, just as on a traditional
hard disk.

- 5 -

Note: Please don’t unplug MP3 Player while data is transferring
between MP3 Player and the computer, otherwise the transferring
data may be lost.

2.4 Disconnecting

Please drop out safely first, and then disconnect USB cable after
copied and deleted files.
Please refer to the following steps to unplug MP3 Player after
data transferring:

1) Windows 98/98SE: Unplug MP3 Player from USB port of the
computer about 3 seconds later to ensure data transferred
successfully after data transferring finished.

2) Windows Me/2000/XP/Server 2003 (Windows 2000 e.g.):
Click the icon at the taskbar, then click the “Stop USB Mass
Storage Device - Driver”, and click “OK” in the pop-up windows
“The ‘USB Mass Storage Device’ device can now be safely

Writing data to MP3 Player

Reading data from MP3 Player

Netac MP3 Player C635

1) Connect MP3 Player with the computer.

2) Run “Start -> Programs -> MP3 Player Utilities -> MP3 Player
Disk Tool”.

3) You can use this tool to format the drive by choosing “Format”
option. You can choose from “Quick”, “Full” and “L ow” format
by selecting the radio button accordingly.

4) Press “Start” button, and click “Yes” in the pop-up dialog
box of “All data of the disk will lose! Do you want to format?
(Y/N)” , MP3 Player will be formatted automaticlly.

2.6 Bootable & Dual Zone (Normal & Secure Disk) Function

MP3 Player supports bootable & dual zone (normal & secure
disk) function. You can use MP3 Player Utilities to format MP3
Player to bootable or secure disk.

- 8 -

removed from the system”, then you can disconnect MP3
Player from the computer safely.

3) Mac OS 9.x or above: Select the icon representing MP3
Player, click “File”, select “Exit NO NAME”, then unplug
MP3 Player from the computer. (Please drag MP3 Player
icon into Trash, then unplug it on Mac OS 9.x.)

4) Linux 2.4.2 or above: Input the command “umount /mnt”
before unplugging MP3 Player. The “/mnt” directory is
corresponding with the “/mnt” mentioned above.

2.5 Format MP3 Player

You can format MP3 Player through the following two methods:

1) Use the format function of Windows Operating System to
format MP3 Player. Please select the format type as FAT.

2) Use MP3 Player Disk Tool to format MP3 Player.

Note: All data of the disk will lose when formatting MP3 Player
and making Bootable Disk or Normal & Secure Disk. Please
backup data beforehand.

You can use MP3 Player Disk Tool to format it. The steps are as
the following:

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Netac MP3 Player C635

Dual Zone (Normal & Secure Disk)

1) Connect MP3 Player with the computer.

2) Run “Start -> Programs -> MP3 Player Utilities -> MP3 Player
Disk Tool”. S elect the “Partition and Encrypt” option.

- 10 -

The steps are as the following:

Bootable Disk

1) Connect MP3 Player with the computer.

2) Run “Start -> Programs -> MP3 Player Utilities -> MP3 Player
Disk Tool”.

3) Select the “Make bootable disk” check box in “Format” option.

4) Press “Start” button, and click “Yes” in the pop-up dialog
box of “All data of the disk will lose! Do you want to format?
(Y/N)”.

5) Click “OK” when finished and replug MP3 Player to take
effect. Then you can use MP3 Player as a system boot disk
to rescue your system in emergency situation.

- 9 -

Netac MP3 Player C635

2.7 Firmware Update

You can download the latest firmware file from the website
http://www.netac.com/support/download.htm to update MP3
Player. The steps are as the following:

1) Connect MP3 Player with the computer through USB cable,
and make sure there isn’t extra Removable Disk connected
with computer.

2) Run “Start -> Programs -> MP3 Player Utilities -> MP3
Player Update Tool”, and then open “MP3 Player firmware
upgrading tool”.

- 12 -

3) Drag the scroll bar to select the size of secure partition. You
can also set the access username and password by selecting
the check box of “Set username and password”. Press “Start”
button to continue, and click “Yes” in the following dialog
box of “All data of the disk will lose! Do you want to
repartition? (Y/N)”.

4) Click “OK” when finished, and then two icons named
“Removable Disk” appears in “My Computer”, the second
icon represents the secure disk.

5) Double click the icon of secure disk, the “RdiskDecrypt.exe”
application file would display.

6) Double click “RdiskDecrypt.exe”, and then input the
username and password, click “OK”, then you can access
the secure disk.

- 11 -

Netac MP3 Player C635

3. Basic Operations

3.1 Battery

The LCD would display “Initializing……” after inserted the battery
into MP3 Player.

:The battery is full.
:The battery is low. This icon would flash when the battery is

extremely low.

3.2 Keystroke Definition

Hold: The time of keystroke is about 2 seconds.
Press: The time of keystroke is less than 2 seconds.

3.3 HOLD

This function is used to prevent the buttons from being operated
accidentally. To lock all buttons please simply press the HOLD
button, LCD prompts the lock status (Figure 3.1). To release the lock
function, please press the HOLD button again. When MP3 Player is
recording, press the HOLD button to lock all buttons, the LCD would
not prompt the lock status, but the recording is still kept on.
If the HOLD button is open when power on, MP3 Player would power
off automatically shortly after display the lock status (Figure 3.2),

- 14 -

3) Click the “Select new firmware file” button, select the latest
firmware program file what you downloaded, and click
“Begin upgrading” button to update firmware. Please don’t
break the connection between MP3 Player and the computer
during updating. Then click “Yes” in the pop-up window to
complete the updating process.

Note:

1) Firmware update can improve and optimize the performances
of MP3 Player, but MP3 Player can also work properly
without firmware update.

2) Firmware update maybe cause malfunction of MP3 Player
due to operation mistake during firmware update! Please
read this manual in detail before operating firmware
update, and ask for help from computer engineer.

3) This firmware update program is only suit to this product.

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Netac MP3 Player C635

Note: MP3 Player supports memory function, it can save all
settings of MP3 Player automatically when it powers off normally.

3.5 Main Menu

You can select MSC (Music Mode), REC (Recording Mode), RPL
(Recorded File Playing Mode), FM (FM Mode) and SYS (System
Settings Mode) in main menu. The operations and settings would
be introduced as the following.

Keystroke operations:

1) Press Previous/Next button to select the menu.

2) Press MODE button to enter the menu.

Tips:

l Return to the main menu by holding MODE button.
l Under settings sub menu, press Play/Pause button to

return to current menu, or MP3 Player would return to
current menu automatically if there is no operation in 3
seconds.

- 16 -

please press the HOLD button again to power it on. If MP3 Player is
connected with the computer when the HOLD button is open, you
can’t switch to the main menu through pressing MODE button or
copy data into MP3 Player, because it is writing protected.

3.4 Power On/Off

To power on MP3 Player, please hold Play/Pause button, MP3
Player would enter main menu automatically.
To power off, please hold Play/Pause button in any status (except
on recording and recording pause status) about 3 seconds after
power on.
When MP3 Player is in non-USB mode (except on playing and
recording status), MP3 Player would power off automatically if
there were no operation during the time, which is set in “SYS ->
Power off -> Off time”. Please refer to “8. SYS (System Settings
Mode )” for details.

- 15 -

Figure 3.1 Figure 3.2

Netac MP3 Player C635

playing track. It will stop when rewind/forward to the
beginning/ending of the track.

l Volume: Press Volume +/- button to turn up/down the volume.

4.2 Playing Settings

During playing, you can set the items as following: “Repeat”,
“Equalizer”, “Tempo rate”, “Replay”, “Replay times”, “Replay gap”.

Keystroke Operations:

1) Press MODE button to enter the playing settings sub menu
when playing.

2) Press Previous/Next button to select the item.

3) Press MODE button to enter.

4) Press Previous/Next button to set the value of the selected item.

5) Press MODE or Play/Pause button to confirm settings and
return to MSC menu, if there were no operation within 3
seconds, MP3 Player would confirm the settings and return
to MSC menu automatically.

You can set the following items in the playing settings sub menu:

1) Repeat: There are 7 repeat modes as Normal, Repeat One,
Folder, Repeat Folder, Repeat All, Random and Intro.

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4. MSC (Music Mode)

Select MSC in the main menu, press MODE button to enter.

When MP3 Player power on and plays track, the playing place is
the time spot saved before powering off last time, just like playing
track after paused.

Note: The LCD would display “No files!” if there is no relevant file
in the current Mode to play.

4.1 Basic Operations

l Play/Pause: Press Play/Pause button to play/pause a track.
l Select Track: Press Previous/Next button to switch previous/

next track.

l Rewind/Forward: Continuously press Previous/Next button

to rewind/forward track to the appropriate place during

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Track Name & ID3 I nformation

Elapse/Total Time

Music No./Replay A-B

Equalizer

Battery

Repeat

Bit Rate

Current Mode

Netac MP3 Player C635

4) Replay

l Select “Replay” and press MODE button to enter the replay

sub menu.

l Press Next button to set A and B spot.
l The track would be played between A and B repeatedly.

MP3 Player would exit “Replay” automatically when the
repeated times reach the replay times (refer to “Replay times”
for details). You can set the A and B spot renewedly by
pressing Previous button.

l Press Next button to enter “Follow” and “Contrast” status

during A-B replaying process.

Tips: You can hold MODE button to exit the “Replay” mode
during the whole process above.

5) Replay times: Set the replay times as 1~10.

6) Replay gap: Set the interval of replay as 1~10 seconds.

7) Exit: Select “Exit” to return to MSC menu.

- 20 -

2) Equalizer: There are 7 equalizer modes as:
Natural, Rock, Pop, Classic, Soft, Jazz, DBB.

3) Tempo rate (Only supports MP3 file):

Select the different tempo rate (such as becoming faster or
slower) when playing, but the tune doesn’t be changed.
The tempo rate is effective for all MP3 files, and it doesn’t
change till the next setting.

Tips: We can press Volume +/- button to set tempo rate during
replay mode.

The range of tempo rate: -8~8. For example: The playing time
display on LCD is 1 minute and 40 seconds, i.e. 100 seconds.

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Tempo Rate

Real Time

(Seconds)

-8

120-7116-6113-5111

0

100-1102-2104

-4

108-3106

8767796805

83

1962924863

89

Descriptions
Play track in the current file and continue to play the
next file’s track, till the last one.
Play one track repeatedly.
Play all the tracks in the current file.
Play repeatedly all the tracks in the current file.
Play all the tracks.
Play tracks in current file randomly.
Play all the track’s anterior 10 seconds in current file.

Repeat
Normal
Repeat One

Folder
Repeat Folder
Repeat All
Random
Intro

Netac MP3 Player C635

3) Del. all: Delete all the files of current folder. The operations
are as above.

Note: MSC (Music Mode), RPL (Recorded File Playing Mode)
and FM (FM Mode) have the deleting function. Under each Mode,
the function can only delete the files correlated with the current
Mode (for example, the track files could be deleted under the
MSC menu, but the recorded files can not be deleted). The LCD
would display “No files!” after deleted all files, and MP3 Player
would return to MSC menu automatically.

4) Exit: Select “Exit” to return to MSC menu.

4.4 LRC Showing

MP3 Player would automatically search the lyric file (LRC format,
you can make by yourself, download from Internet, etc.) which
name is the same as the current playing track in the same folder.

1) Copy the track and the lyric file (LRC format) into the same
folder.

2) Make sure the name of the lyric file is the same as the
name of the track, otherwise the lyric can’t be displayed.

3) If there is a lyric file matching the playing track, hold MODE

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4.3 Pause Settings

Keystroke Operations:

The keystroke operations are the same as “4.2 Playing Settings”.
Please pay attention: Press MODE button to confirm settings and
return to MSC menu.
You can set the following items in pause sub menu:

1) Local folder: Select the playing folder, and play tracks of
the selected folder.

Note: MP3 Player can save and play 1 level folder (each
folder only supports 99 tracks or recorded files).

2) Delete file

l Select “Delete file”, and press MODE button to enter.
l Press Previous/Next button to confirm the file you

want to delete.

l Select “No”, press MODE button to return to MSC

menu.

l Select “Yes”, press MODE button to confirm, the LCD

display “Delete...”, and return to MSC menu after
finished deleting.

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Netac MP3 Player C635

5. REC (Recording Mode)

Please ensure MP3 Player is power enough to record when it is
in non-USB mode. You can use MP3 Player to record through
MIC under Recording Mode. Press Previous/Next button to
select “REC” in the main menu, press MODE button to enter.

Note: The LCD would display “Disk Full!” if there were no space
to save the new recorded file. It would display “Over record” if
there are 99 files in this folder.

5.1 Recording Settings

MP3 Player is getting ready for recording once entered the REC menu.

Keystroke Operations:

The keystroke operations are the same as “4.2 Playing Settings”.
Please pay attention: Press MODE button to confirm settings and
return to REC menu.

- 24 -- 23 -

button to enter the lyric displaying sub menu. The lyric
shows with the track playing synchronously.

l I n the sub menu, press MODE button can return to

MSC menu, and hold MODE button can return to
the mai n menu.

l Thumb the lyrics manually: Press Volume +/- button to

thumb lyrics manually. The lyric shows synchronously
once stop thumbing manually.

Recoded File No.

Bit Rate

Current Mode
Recorded File

Name

Battery
Recorded Date

Recording Time/
Total Time

Netac MP3 Player C635

4) All recorded files are played in “RPL (Recorded File
Playing Mode)”.

5) If MP3 Player has not enough power, MP3 Player would save
recorded files automatically before recording in non-USB
mode.

- 26 -

You can set the following items in recording settings sub menu:

1) Local folder: Select the folder to save the recorded file.

2) REC type: You can select Fine REC, Long REC, Fine VOR,
and Long VOR. In type VOR, the recording can pause
automatically if little voice recognized.

l I t is suggested to use VOR when the noise is small.
l It is better to begin speaking after MP3 Player have

recorded for 5~6 seconds.

3) Exit: Select “Exit” to return to REC menu.

5.2 Recording

You can start recording after settings of record finished, the steps
are as the following:

1) Press Play/Pause button to start recording.

2) Press Play/Pause button to pause/resume during recording.

3) Under recording or recording pause status, hold Play/Pause
button to end and save the recorded file, or hold MODE
button to end and save the recorded file and return to the
main menu of MP3 Player.

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Netac MP3 Player C635

6.3 Recorded File Pause Settings

You can press MODE button to enter the pause settings sub
menu in pause status to set the following items: Local folder,
Delete file, Del. all. Please refer to “4.3 Pause Settings” for
details.

6.4 Sound Conversion

You can convert ACT file to WAV file or play MP3/WAV file in the
computer by using Sound Convert Tool. The steps are as the
following:

1) Run “Start -> Programs -> MP3 Player Utilities -> Sound

Convert Tool”.

- 28 -

6. RPL (Recorded File Playi ng M ode)

Press P revious/Next button to select RPL in the main menu,
press MOD E button to enter.

6.1 Basic Operations

The basic operations include play/pause, select the recorded
file, forward/rewind, turn up/down, and please refer to “4.1 Basic
Operations” for details.

6.2 Recorded File Playing Settings

You can press MODE button to enter the interface of recorded file
playing settings to set the following items during playing: Repeat,
Tempo rate, Replay. Please refer to “4.2 Playing Settings” for
details. It doesn’t support “Follow” and “Contrast” in replay mode,
and it can’t replay automatically.

- 27 -

2) Press “Open” button to select one file which you want to
convert.

3) Press “Convert” button to convert.

Recorded File

Name

Recoded File No.

Bit Rate

Current Mode

Repeat

Elapse/Total Time

Recoded Date

Battery

Netac MP3 Player C635

7. FM (FM Mode)

Pre ss Previous/Next button to select FM in the main menu.
Press MOD E button to enter and receive FM program.

Note: The earphone can be used as an ant enna, please connect it
with MP3 Player would make better effect while searching channels.

7.1 Basic Operations

1) Exit FM: Hold MODE button to exit FM menu and return to
the main menu.

2) Automatic Searching: Hold Previous/Next button, MP3 Player
searches channel ahead/backwards by 0.1MHz automatically.
Press Previous/Next button to stop automatic searching.

3) Manual Searching: Press Previous/Next button to search
channel ahead/backwards by 0.1MHz manually in receiving
status. (It is suggested to select manual searching indoor.)

4) Switch Channel: You can switch channel by pressing Play/Pause
button in receiving status if there is more than one channel saved.

- 30 -- 29 -

5) Volume: Press Volume +/- button to turn up/down volume
in receiving status.

7.2 FM Settings

Keystroke operations:

1) Press MODE button to enter settings sub menu in receiving
status.

2) Press Previous/Next button to select the items.

3) Press MODE button to confirm and return to FM menu.

You can set the following items for the receiving program:

Descriptions

MP3 Player can save and name for the searched channels,
and this number would be displayed on LCD.
MP3 Player supports “Normal Band” and “Japan Band”,
and can save 20 channels for each band, i.e. it can save
40 channels aggregately.
Delete the channel that you don’t want to save anymore.
Delete all channels saved in MP3 Player.
Frequency band: 87MHz ~ 108MHz
Frequency band: 76MHz ~ 90MHz

Items

Save

Delete
Delete all
Normal Band
Japan Band

Channel

Frequency

Current Mode

Band

Stereo
Battery

Netac MP3 Player C635

- 32 -

Descriptions

You can record the FM program you are receiving. The
recording steps are as the following:
l Press MODE button to enter the settings sub menu

in receiving status.

l Select “Fine REC” or “Long REC”, then press

MOD E button to record. Please refer to “5. REC
(Recording M ode)” for details.

l Press Pl ay/Pause button to pause /resume recording.
l Press MODE button to end and save the recorded

file, and return to FM menu.

l Hold Play/Pause button to end and save the

rec orded file, get ready for next recording, or
hold MOD E button to end and save the recorded

file, return to the main menu of MP3 Player.
The FM recorded file would be saved in the root directory
of MP3 Player, please select another directory to save
when there are 99 recorded files in the root directory.
Exit settings sub menu to return to FM menu.

Items

Fine REC

Long REC

Exit

8. SYS (System Settings Mode)

Press Previous/Next button to select SYS in the main menu,
press MODE button to enter.

Keystroke Operations:

1) Press Previous/Next button to select the item in SYS menu.

2) After selected an item, press MODE button to enter.

3) Press Previous/Next button to set value for the selected item.

4) Press MODE button to set the value of the selected item effective
except for Backlight, Light Color, Power off, and Contrast.

The brief introductions of each item are as the following:

- 31 -

Descriptions

Set the recorded date and time, press Volume +/-
button to set year, month, day, hour, minute, second,
and press Previous/Next button to adjust value.
Press Pr evious/Next button to set the continuous
illumed time of backlight when there is no operation
before the backlight is turned off.

Items

Record Time

Backlight

Netac MP3 Player C635

- 34 -

Descriptions

Set the backlight as colors light, red, green, yellow,
blue, purple, c yan and white.
Set the languag e as Simple Chinese, English, Traditional
Chinese, Japanese, Korean, French, German, Dutch,
Ita lian, Portuguese and Spanish.
Press Pre vious/Next button to select Off time and
Sleep time.

Note: Sle ep time is only effective one time once setting.

Set the working status of replay, select Manual replay
or Auto replay by pressing Previous/N ext button.
Manual replay: Can not break sentences when A-B
replaying.
Auto replay (Only supports MP3 file): Can break
sentences automatically.
Set the contras t of LCD: 1~16
Check the capacity and used percentage of normal
disk.
Display the firmware version of MP3 Player.
Exit SYS menu.

Items

Light Color

Language

Power Off

Replay Mode

Contrast
Memory Info.
Firmware Version

Exit

9. Others

9.1 Keystroke Operations List

l MSC & RPL Mode

Button
Play/
Pause

MODE

Previous
/Next

Volume

Pause
Power Off
Play
Enter main
menu

Enter sub
menu

Select track
continuously

Select track
Adjust volume

Playing Settings
Power Off
Exit
Enter main
menu
Comfirm and
return to MSC
menu or enter
next menu
Select items
continously

Select items

/

Playing
Power Off
Pause
Enter main
menu

Enter sub
menu

Rewind/
Forwind
Select track
and play
Adjust volume

Operations
Hold
Press

Hold

Press

Hold

Press
Keystroke

Pause Settings
Power Off
Exit
Enter main
menu
Comfirm and
return to MSC
menu or enter
next menu
Select items
continously

Select items

/

- 33 -

Netac MP3 Player C635

l FM Mode

- 36-

l REC Mode

- 35-

Button

Play/
Pause

MODE

Previous
/Next

Stop

Power Off
Record

Enter main
menu

Enter sub
menu

/
/

Recording
Save and enter
next
Pause
Save and enter
main menu

/

/
/

Pause
Save and enter
next
Resume
Save and enter
main menu

/

/
/

Operations

Hold
Press
Hold

Press

Hold
Press

Recording Settings

Power Off
Exit

Enter main menu
Comfirm and return

to REC menu or
enter next menu
Select items
continously
Select items

9.2 FA Q

If you experience any of the fo llowing difficulties in using MP3
Player, use this troubleshooting guide to help you solve the problem.
Should any problem persist, consult Netac Customer Service.

Listening Status
Power Off
Select the saving
channel

Enter main menu

Enter FM menu
Searching channel

automatically
Manual searching
as 0.1MHz or stop
searching channel
automatically
Adjust volume

Operation
Hold

Press

Hold

Press

Hold

Press

Keystroke

Button

Play
/Pause

MODE

Previous
/Next

Volume

FM Settings
Power Off

Exit settings

Enter main menu
Confirm and return to

FM menu
Select items
continuously

Select items

/

Recording Status
Save and enter next
Pause/resume
recording
Save and enter main
menu
Save and return to FM
menu

/

/

/

Netac MP3 Player C635

- 38 -

9.3 Specifications

* The actual useable capacity may not be identical as labeled.
Netac reserves the rights to make changes on any specification
without prior notice.

- 37 -

Items

Dimension
Weight
LCD
Capacity *
Power Supply

Record format

MP3, WMA

FM

Files Format
Working Temperature

Language of
display

Operating System

Earphone Output
MP3 Bit Rate
WMA Bit Rate
Frequency Response
Total Harmonic Distortion
Radio Frequency Range
Preservable Stations
Earphone Output
MP3, WMA, WAV

-5°C ~ 40°C
Simplified Chinese, English, Traditional Chinese,
Japanese, Korean, French, German, Dutch, Italian,
Portuguese and Spanish
Windows 98/98SE/Me/2000/XP/Server 2003,
Mac OS 9.x or above, Linux 2.4.2 or above

Descriptions

59mm x 46mm x 23mm
26g approximately
LCD (128 X 32), Light Color
128MB ~ 1GB
USB bus powered or one AAA alkaline battery
Fine REC: 32K WAV
Long REC: 8K ACT

2 x 11mW, 16ohm (TYP)
8Kbps ~ 320Kbps
8Kbps ~ 192Kbps
20Hz ~ 20KHz
<0.05%
76MHz ~ 108MHz
20 + 20
2 x 11mW, 16ohm (TYP)

Symptoms

Fail to power on.
No sound when

playing.
Error code displayed.
FM sounds not so well.

Unable to download
files.

“Format error” when
playing music.

Analysis

The battery is low; HOLD button is locked.
The volume is 0; Earphone is not connected well
or no cleaning in time; The broken files maybe
make noise or can’t play.
Choose the correct language.
Adjust the position between MP3 Player and
earphone.
The USB Cable is not connected correctly;
Driver has not been installed on Windows 98/
98SE; The capacity is not enough.

MP3 Player doesn’t support the format.

Netac MP3 Player C635

B.) Please fill in all related items, like items number,

failure symptom, purchase date and invoice number
on RMA Request Form, E-mail or Fax back to Netac;

C.) Upon receiving the filled RMA Request form, we will

check the form and warranty period. A RMA number
will be issued within 2 working days;

D.) Any RMA number is only valid for 14 days, other than

that a new application needs to be filled again.

ANY RETURN WITHOUT PRE-APPROVED RMA NUMBER WILL
BE REJECTED OR DELAYED. IT IS A MUST-HAVE FOR ALL
RETURNS OR REPAIRING OR EXHCNAGE OR MISSING
ISSUES.

3. How to send the defective product(s) to Netac.

The “Netac RMA REQUEST FORM” must NOT be enclosed in the
RMA package sent to Netac, but the RMA number is REQUIRED to
be written on the top of the box when you send it/them back . The
defective product(s) sent to Netac without RMA number will NOT
be received, repaired and/or returned.

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9.4 RMA Service

1. Self check: (Over 50% claimed fault can be fixed easily)
A.) Please check the manual on our website,

http://www.netac.com
to double check the failure symptoms you are facing.

B.) Please check if there is any latest update of software

or firmware to your product, especially format tools.

C.) If you didn’t purchase directly from Netac, please

return the goods to the vendor where you purchased
from for repair or replacement.

ANY PHYSICAL DAMAGE, MISUSAGE, OR UNAURHORIZED
DISASSEMBLING OF ANY PART OF THE PRODUCTS WILL
LEAD TO WARRANTY VOID. By default, the product is only for
home and office use.

2. Obtain RMA (Return Merchandise Authorization) number

from Netac (Only for Authorized Dealers)

A.) We send you a RMA Request Form by E-mail upon

request;

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Netac MP3 Player C635

9.5 Contact Net ac

Netac Technology Co., Ltd.

6F, Incubato r Building,
China Academy o f Science & Tech Development,
No.1 High-tech S outh St,
Shenzhen, China 5 18057
Tel: [phone] (Switchboard)
[phone], 26727510, 26727520
(Technical Support)
Fax: [phone]
Website: http://www.netac.com
Email: [e-mail] (S ales)
suppo [e-mail] (Technical Support)
[e-mail] m (Feed back)

A.) Netac doesn’t accept any collect shipment. All RMA

shipment must be prepaid

B.) Don’t make any shipment until having the Shipping

Instruction from Netac. please ask further advice from
Netac Customer Service Dept. as below before you
send out the defective products.

4. Contact information:

Email address: [e-mail]
Contact: Byele Yu, Coudy Wu (Customer Service Depart)
Contact phone: [phone]
Company line: [phone]
Fax: [phone]
Business Hour: 08:30 - 17:40 Beijing Time, Mon.- Fri.

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