
http://www.mobiblu.com
DAH-1900
User’s Manual
Please read this user’s manual carefully before getting started.
Recharge the built-in battery using the USB cable supplied with
the device before getting started.

Safety Precautions/ Special Features/
Specifications/ Accessories/ Location of Controls/
Buttons/ LCD/ Power/ Recharge/ Connecting
(Disconnecting) to (from) a PC /
Resetting
Power on-off / Modes/
Navigation (Folder search in a file playing)/
Menus/ Hold/ Clock
Getting Started
Basic Functions
Listening to Music/ File Selection/ EQ/
Section Repeat/ Play Mode Setting
Music
Voice/ Line - in
Recording
FM Radio/ Region/ Frequency-search & save
Preset Mode/ Preset Delet
Recording FM program/ Sound quality
Programmed Recording
“It may not be a problem!”
FCC RF INTERFERENCE STATEMENT
Warranty Card
FM Radio
Support
Menu List/ Menu Buttons/ Setting
Recording/ Display/ Play/ Timer
Watch/ EQ/ SRS/ About
Menus
Program CD installation/
File Download-Upload/
Format
Program
46
86
58
76
Playlist/ Delete-File/
Bookmark/ View-Lyric
Convenient Functions

Getting Started
04
Getting Started
Safety Precautions
4
7
9
10
11
13
15
17
19
20
21
23
The user may be in danger of death or a major injury if
he/she does not use the device in conformity with the
provisions stated in this mark.
The user may be subject to a major injury if he/she does
not conform to the provisions disclosed in this mark.
The user may be subject to a minor injury or property
damage when he/she does not conform to the
provisions of this mark.
* Carefully read this part before using the device.
* The Safety Precautions are classified into three categories; Danger,
Warning and Caution.
* We are not responsible for any damage or loss if the device was not used in
conformity with these precautionary provisions.

Safety Precautions
06
Getting Started
Safety Precautions
Don’t disassemble or
modify the device on your
own discretion.
Don’t put the Device close to
any heating device or in direct
sunlight. It
may
explode.
Don’t touch the device
with a wet hand.
Distributing music files
without authorization is
against copyright law.
Continual recharge after
the completion of battery
recharge may damage the
Device.
Use only the AC
adapter supplied with
the Device.
The manufacturer is not responsible for any
damaged data stored in the device if the
device error was caused by the user’s
carelessness. The data stored in the device
may be deleted or damaged during A/S.
Avoid humidity and
dusty areas
Immediately reset the device when it
generates excessive heat or if there
is a burning smell, and then contact
our A/S agent for repair.
Be cautious and avoid the
headphones or earphones from
being caught between doors.
Keep the device away
from children’s access.
Parental attention is
advised for children’s use.
Never use any chemicals or
cleanser to clean the device as this
may damage the surface of the device.

08
Getting Started
Special Features
Special Features
8.Playlist
You can make a playlist with your favorites songs. Enjoy the music of your
taste whenever you so desire.
9.LCD Pivot
You can turn the screen up or down with this function.
10.Voice Recording
The built-in high performance microphone enables you to use many functions
of a professional voice recorder.
11.Music Recording
The device enables you to record sound sources from a FM radio, CD player,
Walkman or other external audio devices.
12.Language-learning Aid
With all the convenient and essential functions for language-learning such as
section-repeat, sectional FF/REW, resumption, bookmark and more, the
device enables you to study languages very effectively.
7.Auto/ Manual Lyric Streaming
You can simply write the lyrics for your favorite songs and they will appear on
the display. This device supports an easy lyric writing function with the aid of
the Auto Lyric system. You may also edit lyrics as per your need.

10
Getting Started
Accessories
Specifications
FM Frequency
Range
Headset Output
S/N Ratio
Antenna
Frequency
Characteristics
Headset Output
S/N Ratio
Supporting file types
Bit Rate
Download speed
20Mbps
153 hours
-5
~70
Li - Ion
Worldwide : 87.50MHz ~108.00MHz
Max. 7mW (16 )at Max. Volume
50dB
Headset/earphone code antenna
20Hz ~ 20KHz
Max. 15mW (16
)at Max. Volume
90dB
MP3, WMA
MP3: 8 ~ 320Kbps
WMA: 32 ~ 192Kbps
SpecificationsItems
Recording period
Size (W*H*D)
Battery (built-in)
Audio: approx. 1040minutes
(based on 256MB at 32Kbps rate)
65mm X 44.5mm X 21.3mm
66g
USB Cable
Line-in Cable
Earphone
Program CD User’s Manual
Portable Case
(option)
Neck Strap
* The depicted images of the accessories below may look slightly different to
their actual look.
* The accessories below can be changed without prior notice.
Japan : 76.00MHz ~108.00MHz

12
Getting Started
Location of Controls
Location of Controls
Side
LCD
Menu search/ Navigation/
File-track search or move/
Volume
Back
Record/ Section Repeat/
Play mode change
EQ/ Bookmark
Neck strap hook
USB port
Earphone port
Hold
RESET Button

14
Getting Started
Buttons
Buttons
Power ON/OFF
Play/ Pause
View lyrics in ‘music playing’
Mode Change
View the time in ‘pause or stop’
EQ/SRS setting
Bookmark
Voice recording, Music recording, FM Radio
recording
A-B section repeat in ‘play’
Play mode change
Cancel button
Move to the previous/next file
Search in the file
Search
- move from navigation/menu mode to main
<-> sub phase
- Menu: selecting set value in the last sub
phase.
Volume increase or decrease
Search
- move from navigation/menu to up or down
menus.
Hold all key functions.
Entering navigation/menu mode
Save & Enter

16
Getting Started
Display
Display
F: Folder name
G: File name/ ID3 Tag
H: Graphic EQ
I: Volume
J: Status (Play/ Pause/ Stop)
K: Mode
Recording Mode
FM Mode
A: Sound source (voice/ line-in/ FM)
B: Bitrate
C: Battery capacity
D: Recording status
(ready/ recording/ pause)
E: File name
F: Process bar
G: ‘Recording’ elapsing time/ time to go
H: Volume
Ready
V001.mp3
000:00 115:48
A: Signal receiving/ ready
B: Preset/scan
C: Stereo/Mono
D: Battery capacity
E: Frequency
F: Frequency search/ Preset search
G: Volume
H: Territory
I: Preset channel no.
You can record voice of line-in sound source in the mode.
You can listen to FM radio in this mode.

18
Getting Started
Power
Power
Lithium-Ion
Battery Type
MP3 playing
153hours (1620mAh)
Built-in Battery
Don’t use damaged built-in battery.
Avoid excessive recharge longer than specified hours (4hours) to
prevent fire.
Fully recharge the battery when trying to use it for the first time or
after a long-term disuse.
When the ‘using hours’ of the battery gets shorter in comparison
with recharging hours, replace the battery.
Since the battery supplied with the device is consumable the using
hours of it slowly gets reduced.
The built-in battery can be recharged about 500 times.
Avoid any metal part from contacting DC converter or built-in
battery to avoid unexpected fire or electric shock.
Disposal
The Device includes a built-in Lithium-ion battery. The battery is
recyclable so please return it to nearest ‘recycle center’ when you
dispose the Device. Don’t disassemble the device for disposal.

20
Getting Started
Connecting to a PC
Recharge
2.
Connect the device into a
PC using a USB cable
3.
The screen displays the icon on the left
if the connection is correctly made.
1.Place the HOLD key on upper
position to activate the HOLD.
Don’t disconnect the device from the PC when “Don’t Disconnect”
message is displayed on LCD. It may cause an unexpected error to
occur.

22
Getting Started
Disconnecting from the PC
Disconnecting from the PC
Click
What’s USB (Universal Serial Bus)? This is the new data
connection system between a PC and its peripheral devices.
Connect the USB cable supplied with the Device into a USB port
in PC. An unexpected error can occur when connecting the cable
to the USB port located in the front face of the PC or USB hub.
The Device can not be identified in the PC installed with Windows
98SE or lower version. Install the program CD supplied with the
Device in the PC.
Open “My Computer” or “Windows
Search” and click on “Removable
Disk.” click on “Remove” using the
right mouse button and then remove
the USB cable.
In the case with Windows 98SE
Removing the cable without following the above instructions may cause
a fatal error in the PC or the device.
Removing the cable while downloading or uploading files, or formatting
the device may cause a fatal error in the PC or the device.
Double CLICK
Click
Click
CLICK

Power on-off
Modes
Navigation (Folder search in a file playing)
Menus
Hold/ Clock
25
26
27
28
29
Basic Functions
Resetting

26
Basic Functions
Modes
Power on/off
There are all 5 modes programmed in the device; Music playing,
Voice recording, Music recording, FM Radio and Playlist.
Different functions are available for each mode.
Press
and hold
to the arrow
directions to
move to ‘FM
Radio’ mode
Press
‘FM Radio’
mode
to enter ‘FM
Radio’ mode
Press
Example) How to enter FM radio mode

28
Basic Functions
Basic Menu Operation
Navigation (Folder search in playing)
push
push
to enter the
“MP3 Folder”
to move to
“Bye Bye.mp3.”
to the arrow direction to move back to the upper level
Press
push
to play “Bye
Bye.mp3”
See Page 61 for details about the menu.
to enter the menu
Press and hold
Press
or push
push
to enter the lower
folder level
to move to another
menu and to adjust
the set value
push
to move back to
the main menu
to get out of the
menu mode
Press
or
push
/
to get out of the Navigation mode.

Hold/ Clock
1.Place the button on the side of
the device to the arrow direction
to hold all key functions
2.No key will function while in hold
status.
View time
press any button to cancel the
function.
Listening to Music
File Selection
EQ/Section Repeat
Mode Setting
31
32
33
34
Music

32
Music
File Selection
Music
Listening to Music
Press
to play the file
In Play mode
Press
to pause the file
Push
to adjust the sound volume
Going to other files
Searching a certain part in a file
In Stop, Pause or Play modes
Push
to move to the previous/next file
In Play mode;
Press
and hold
to fast search a certain part in the
current file (FF/REW)
Press to get back to the initial part of the file when
the play elapsing time is within 5 seconds.

34
Music
Play Mode Setting
Music
EQ/ Section repeat
Classic Pop Live Dance through to SRS.
Press
to set “A”
to set the
section “A-B”
In Play
status;
Press and hold to change the mode among the following
options; Normal/ Repeat1/ Repeat All/ Random/ Random All
Normal: plays music files once in correct sequence.
Repeat1 : repeats the current file continually.
Repeat All : repeats all files in correct sequence.
Random : plays all files once in random sequence.
The play modes can be set by entering ‘Menu – Play – Play
Folder (Folder All / Current Folder)’ mode. (See Page 70)
Regardless of the setting for Play Folder (Folder All / Current
Folder), the number of files displayed on the device includes the
currently-played file.
Random All : repeats all files continually in random
sequence.

36
38
39
41
Convenient Functions
36
Convenient
functions
Playlist
Writing Playlist
to move to
“Bye Bye.mp3”
Example) when adding “Bye Bye.mp3’ into a Playlist.
to display a
popup box
to move to
PLAYLIST
to complete
the playlist.
Push
Press
Press
Push
Press
Deleting Playlist
In music ‘Play/
Pause’ mode,
to move to
YES
to delete
the playlist.
to display a
popup box
Press
Press
Push
Enter the Playlist you want to remove. (Page 37)
The original file is not deleted at the deletion of the playlist
The Delete function is only available while in Stop/ Pause mode.
Following the
file selection

38
Convenient
functions
Deleting files
Convenient
functions
Playlist
Press
Press
and hold
to move to the
“Playlist” mode
Press
to enter the
“Playlist” mode.
Push
This enables you to delete the files stored in the device.
Example) when deleting the file “bye bye.mp3.”
to move to
YES
to delete the file.
Once the file is removed, it cannot be recovered.
File deletion is only available in Stop/ Pause mode.
to move to
“Bye Bye.mp3”
to display a
popup box
to move to
DELETE
to display a
popup box
Push
Press
Press
Push
Press
Press
Push
In pause/stop
mode;

functions
Bookmark
40
Convenient
functions
Bookmark
Press and
hold
to play.
Press
to display the
bookmark list
Push
to arrow directions
to move to the file
to be played
Deleting bookmarked file
Press and
hold
to display the
bookmark
to popup the
display
PressPress
to move to the
file to be
removed
The original file is not deleted at the deletion of the “bookmark.”
In Stop/Pause
mode;
to move to
“YES”
to delete the
“bookmark.”
Press
Push

44
Recording
Line - in
Recording
Voice
to move to
“Voice”
Press
to get ready for
“Voice”
to start
recording
to stop the
recording
Press
PressPush
Record
elapsing
time
Record
remaining
time
Connect the device into the external audio player with the Line-in
cable supplied in the package.
Analog sound signals can be converted into digital sounds by
recording the external audio sources with the Line-in cable
supplied in the package.
With the aid of an earphone set, you may listen to the music
which is being recorded to the device (Loop back).

Recording
Line - in
to move to
“Line-in”
Press
to get ready for
“Line-in”
to start
recording
to stop the
recording
Push
Record
elapsing
time
Record
remaining
time
FM Radio
Region
Frequency-search & save
Preset Mode
Preset Delet
Recording FM program
Sound quality
Programmed Recording
47
48
49
51
52
54
55
56
FM Radio
Press Press

48
FM Radio
Region
FM Radio
Listening to FM Radio
to move to
“FM Radio”
mode
to enter the mode and
receive the radio
signals.
This function helps you set the correct frequency ranges which are
variable according to the countries.
Press
and hold
to move to
“Region”
Press
to move to
“World”
Press
to set for
“World”
Japan : from 76.0 to 108.0MHz in 50Khz pitch
World : from 87.5 to 108.0MHz in 50Khz pitch
Push
Push
At the change of the territory, the previous territory will be
initialized.
Push

FM Radio
Frequency search/save
50
FM Radio
Frequency search/save
Push
to increase or decrease by 0.05MHz
Push
and hold
to continually increase or decrease
the frequency
press
‘Auto preset’ for frequency
Press
and hold
to move to
“ON”
Press
to save the
frequencies
automatically.
Push to the arrow directions to interrupt the
frequency scan.
The mode will be automatically changed to the ‘Preset’ mode at
the completion of the search.
to move to
“Auto preset”
Push
Push
Press
saving completed

52
FM Radio
Preset Delet
FM Radio
Preset Mode
to increase/decrease the channel number
to enter ‘Preset’
Press
and hold
to move to
“Preset Delet”
Press
you can delete all or
some of channels
to move to
“All”
Press Press
to delete
all stored
channels.
When deleting all frequencies;
to move to
“Yes”
Push
Push
Push

54
FM Radio
Recording FM Radio
FM Radio
Preset Delet
when deleting the frequency “99.30MHz” stored in CH03;
Press
move to
“99.30MHz”
Press
delete
completed.
Recording FM Radio
In FM receiving status
Press
to start the
recording
Press
to stop the
recording
Press in the recording to pause and press the button again
to resume.
Recorded sound sources are saved in MP3 format in FM folder in
the following sequence; F001.MP3, F002.MP3…..
You can listen to the recorded file by entering “Music” – “FM”
folder.
[ you can still
listen to the FM
program after
the completion
of the recording ]

56
FM Radio
Rec. Recording
You can set ‘Rec. Recording’ for any FM Radio program you
desire by setting the date and time.
ON/OFF
to move to
“on/off”
Press
to move to
“Rec. Recording”
Push
Push
Press
Push
Press
On: Programming the recording for specified date and time
Off: Programming is not available.
FM Radio
Quality
to move to
“Quality”
Press
to move to
“Rec. Recording”
Push
Push
Press
Quality
Push
Press
[setting completed]
Press
and hold
Press
to move to
“Rec. Recording”
Push

FM Radio
Rec. Recording
Menu List
Menu Buttons
Setting
Recording
Display
Play
Timer
Watch
EQ
SRS
About
59
61
63
67
68
70
71
72
73
74
75
Menus
Press
to enter the
setting.
Press
setting value adjustment :
Move to another selection:
Press
Press

60
Menus
Menu List
Menus
Menu List
Main menu Sub menu Set menu
There are all 9 main menus in
the device
There are sub menus underneath each main menu.

62
Menus
Menu Buttons
Menus
Menu Buttons
Press and hold
push
push
5.Returning to the Main menu
to the arrow directions
to change the value
Press
Press or to exit the menu modes.
Press or push
push

64
Menus
Menus
Setting
Resume
Defualt
Setting
Speed Control - Search Speed
The search speed (FF/REW) can be set with this function among the
following options; (X4, X8, X16, X32)
Speed Control - Play Speed
The speed of the text streaming can be adjusted within the range from
1 to 5.
Speed Control - Scroll Speed
The speed of file playing can be set among the following options; (X0.4,
X0.6, X0.8, X1, X1.2)

66
Menus
Setting
Menus
Setting
Language
The language for Menus can be selected in the mode.
The language you selected will be displayed for menus.

Menus
Recording
68
Menus
Display
Contrast
You can set the brightness of LCD within the range from 1 to 10.
Select “Display” from the main menu
OLED Time
Lightening period can be set among the following options; 5sec./
15sec./ 30sec./ 100sec./ always)
ID3 Tag
It enables you to select the displaying type for file names
file name : displays the name of the music file
ID3 tag : displays the ID3 tag info. saved in the music file.

70
Menus
Play
Play Folder
You can select the playing range for files.
Select “Play” from the main menu.
Play Mode
You can select the play mode you desire among the following
options; ( Normal/ Repeat1/ Repeat All/ Random/ Random All )
Folder All : All music files stored in the device will be played.
Current Folder : The music files in the current file will be played.
Press and hold in play mode to change the play mode.
(see page 34)
Menus
Display

72
Menus
Watch
Menus
Timer
Select “Watch” from the main menu.
Watch
The current time is displayed on the LCD according to your setting for
Year, Month, Date, Day and time.
Move to another items :
Set value adjustment :
Alarm – On/Off
You can use or cancel the alarm function using this function.
Alarm – Setting
You can set the time and the number of alarms in the mode.
Move to another items : Set value adjustment :
You cannot enter into clock mode while
playing music.

74
Menus
SRS
Menus
EQ
SRS
Select “SRS” from the main menu.
SRS
3D surround volume can be set within the ranger from 0 to 10.
TruBass
This function enhances the bass within the range from 0 to 10.
EQ Reset
Definition
You can set the sound definition within the range from 0 to 10.
Press

Menus
SRS/ About
Program CD installation
File Download-Upload
Format
77
80
83
Programs

Program CD installation
Installation
78
Programs
Program CD installation
1.The files in the CD will be executed automatically following the
insertion and a popup box for ‘installation language’ will appear.
Click on OK following the selection of the language you desire. (If
the setup file is not opened automatically, you may find the
setup.exe file in the CD Rom and execute it manually.)
2.Click on “Next”
3.Click on “Next” following the selection of the file you want to install
in the PC.
Click
Click
Click

80
Programs
File Download/ Upload
1.To download files connect the USB cable and click on “Copy” using
the right mouse button following the selection of files in PC.
This Device downloads or uploads all types of data files (*.jpg,
*.xls, *.hwp……) taking the role as a removable disk as well as a
music player.
Click
Program CD installation
Click
An icon “Lyrics Manager” is
created on the desktop.
Click

File Download/ Upload
Click
82
Programs
File Download/ Upload
3.Downloading the files selected in the PC to the Device is
completed.
You can upload the files from the device to the PC by following
the same procedures but in reverse way.
Drag & Drop makes it very easy to download or upload files.

84
Programs
Format
2.Click on ‘Start’ button when a format box pops up.
3.Format has been completed!
Check if file system is set for FAT32
Be very careful at formatting!
Click
Click
Click
Format
Click
32

It may not be a problem!
FCC RF INTERFERENCE STATEMENT
Warranty Card
87
Support

88
Support
It may not be a problem!
Support
It may not be a problem!
Check battery capacity. Recharge the battery
with a USB cable.
Check if the device is in HOLD.
Check if the device is in HOLD.
Check if any foreign material is applied on the
earphone tip, and if yes, remove it.
Completely connect the earphone into the
device.
Check if the file is damaged.
Check the volume.
Check if the earphone is completely inserted
into the jack. It functions as an antenna.
Use the device away from peripheral electric
devices
4.Too much noise interference in receiving FM signals?
Check the connection of the USB cable.
Check the memory capacity.
Check the LCD brightness setting. Menu –
Display – Contrast
Check the battery. Recharge it with a USB
cable if needed.
5.There is a trouble with file downloading?
6.LCD is not activated?

You need to present this Warranty Card with the date of purchase written thereon
when required in order to receive satisfactory services. Please keep this card in a
secure place.
The design and size of the product are subject to change without prior notice in order
to improve product quality.
1. The warranty service for the product shall be provided based on the
information contained in this Warranty Card.
2. The warranty service is available effective from the date of purchase, so
please put the date of purchase on this Warranty Card. (If the date of
purchase is not identified in the card, the effective warranty period will start
from the date 6 months from the date of manufacture.)
3. This Warranty Card can not be reissued
Warranty Card
Product Name:
Model:
Date of Purchase: (m) (d) (y)
Name of Customer Telephone Number:
Address:
Name of Agent: Telephone Number:
Address:
1 year from
the date of
purchase