Denver MPC-4055C User manual

Attentions
To make sure use the player correctly, please read this manual carefully.
zNo use the unit above 35℃or less than-5℃.
zNo hit the unit, No strike..
zNo touch benzene, thinner and other chemicals with the unit
zNo close to strong magnetic&electric field.
zNo expose in the sun & hot wares
zNo disassemble, repair by yourself.
zNo use the unit when ride bike, motor and driving to avoid danger
zNo big volume when listening, to avoid bad hurt to ears.
zThis model cannot playback DRM protected WMA files, such as sound books, songs bought from
internet etc
zLithium battery inside. Battery must ONLY be removed by authorized personal
Warning
Read Safety Instructions Before Making Volume Changes
Safe use depends on exposure time and volume levels.
Volume at 80 dB(A), exposure should be limited to 40 hours/week. At 89 dB(A) exposure should
not exceed 5 hours/week.
Overview function
zSupport camera, video, PC camera; supporting digital focus, support 1.0 ~ 2.0, totally 10
levels of digital focus; picture resolution max support 2.0mega pixels
z2.4-inch TFT screen. at 320 * 240 pixel
zMusic support: MP3、WMA、OGG、APE、FLAC、WAV etc.
zRecord support: FM、MIC record.at WAV、MP3 format.
zPicture view: support JPEG、BMP、GIF format;
zVideo : support AVI（within 320*240pixels ）
zSupport FM radio
zSupport E-book at .txt format
zBuild-in 3 games: Snake, boxman, tetrix
zSupport AV output.
zSupport Key tone choice
zSupport clock display.
zSupport Micro SD card up to 8GB.

zSetting function.
zSupport Recover default setting and USB urgrade setting.
zSupport high speed. USB2.0 transfer

1.1 With PC connection, file save & charging
Under on/off state, connect unit with PC by usb cable, then unit will display: Power & Data,
Power & Play, USB charge ect 3 modes. Press `Next` or `Previous` to choose, then short press
`play` button to enter related mode. When cut off USB connection, or delete hardware in PC, then
unit will enter operation state
1、Power & data: used for data transfer
When select Power & data, the unit default 6 folders set, do not change the folder name or
delete the folder, or it may cause problem. See below drawing:
: Save audio files
： Save picture
: Save taken photos
: Save playlist
: Save record file and FM record file.
：Save E-book file at.TXT format
： Save video at AVI format
: Save recorded video files
Note: Different types of files shall be saved in different folder, e.x.: music files should be put in
MUSIC folder, audio files should be put in RECORD folder, picture files should be put in
PICTURE folder, video files should be put in VIDEO folder, text file should be put in TXT
folder. Files are not stored as request, it is easy to cause problem.

2、Power & play: Main used for connection with PC via USB cable for playing directly
3、USB charge:
When use USB to charge, please turn on/off button to `on` state, then can charge normally,
generally it can be full charged after 5-6 hours. Charging state as below:
2 Preparation

2.1 Know your player:
2.2 Key function
Take photo: for taking photo
VOL+：Volume up, in taking photo can be use to adjust focus+
VOL-：Volume down, in taking photo can be use to adjust focus -
Play: Power on/off, confirm, play, pause.
：Check photos under camera mode
： Delete photos under camera mode.
MEUN：Menu key
Previous/Next: Previous/Next song; fast forward/ fast backward.
Exit: return to submenu and main menu.

2.3 Key action definition
Action Basic operation
Short press Press less than 1.2 s
Long press Press more than 1.2 s
Hold on Press and keep
2.4 Power on/off
In off state, push ON/OFF key to ON, then long press Play key to power on.
In on state, push ON/OFF key to OFF, then long press Play key to power off.
When unit idle time reach to the user’s set `off` time, the player will shut down automatically
Note: The function is invalid, when unit connect with PC.
2.5 Low power
When battery is in low capacity, the unit will related reminder drawing, then power down
automatically. At this time, no open unit again, pls charge in time.
2.6 Main interface
Main interface :
In the main interface, press Previous/Next key to browse different menus. Press Play key to enter
the corresponding menu, press the Exit key to return to the main interface.

2.7 Volume adjust
Volume adjust under function interface
In the FM, music play and pause interface, video play and pause interface, short press VOL + /
VOL- key will show a volume bar, you can adjust the volume. Press Exit key return to play
interface.
3 Pictures
3.1 Main menu
Under main interface, select Pictures, press Play key to enter.
1． Dir list
You can select picture files according to different type.
Now playing: List the last played picture and light on the last played picture, if enter it will play
continually. You can also select to play other picture.
Dir list: Internal Memory, External Memory. Internal Memory is to list the contents of the
Pictures folder. You can find in turn until you have selected a file, and press Play key
to start playing. External Memory is to list the contents of Micro SD card, it will no
show without Micro SD card. Press Exit key return to last menu.
2. Play mode

Press Previous/Next key to select, press play key to confirm. Press Exit key to return to last
menu.
List mode Thumbnail
(Under Thumbnail mode, press Previous/Next key to move left and right, press V- to move
down, press V+ to move up)
3. Play mode
Play mode: Manual mode and slide mode.
Manual mode: when full screen display, press Previous/Next key to switch. Default as manual
mode.
Slide mode: when full screen display, press Play key to begin switch file automatically, then press
Play key to stop playing.
3.2 Basic operation and submenu
1. Rotate
In manual mode interface (can not enter submenu when auto playing) press Menu key into
submenu, press Previous/Next key to select Rotate into interface. Select the rotate angle you
want by pressing Previous/Next key, then press Play key to return and rotate the picture. It
provides 90, 180, 270 for options.
2. Zoom
In manual mode interface (can not enter submenu when auto playing) press Menu key into sub-
menu, press Previous/Next key to select Zoom and into interface. Press Previous/Next key to
select zoom in or zoom out, press play key to confirm zoom in or zoom out. When into zoom out
state, press Previous/Next key to adjust from right and left, press V-/V+ key to adjust from up and
down. Press Play key return to normal playing mode.
Note: Zoom and rotate is invalid for GIF picture format..
3. Slide gap
In manual mode interface (can not enter submenu when auto playing) press Menu key into sub-
menu, press Previous/Next key to select Slide gap and into interface. Press Previous/Next key to

adjust slide gap, it range from 1 ~ 10 seconds.
Note: If the picture decoding time is larger than the actual slide set intervals, you should set the
actual decoding time as the slide gap.
4. Slide effect
In manual mode interface (can not enter submenu when auto playing) press Menu key into sub-
menu, press Previous/Next key to select Slide effect and into interface. Press Previous/Next key
to select, press Play key to confirm. It provides: Normal, Fly in, Chessboard, Cut, Erase,
Louver, Random line, Random for options.
5. Set as desktop background, Set as startup, Set as shutdown
In manual mode interface (can not enter submenu when auto playing) press Menu key into sub-
menu, press Previous/Next key to select Set as desktop background, Set as startup, Set as
shutdown, press Play key to confirm. The system will show “setting succeeded!”
6. Delete the file
In manual mode interface (can not enter submenu when auto playing) press Menu key into sub-
menu, press Previous/Next key to select Delete the file, press Play key to enter. Press
Previous/Next key to select OK or Cancel, if select OK, press Play key it will delete. In the play
interface, press directly, can enter into delete interface directly
7. Information
In manual mode interface (can not enter submenu when auto playing) press Menu key into sub-
menu, press Previous/Next key to select Information, press Play key to check information.
4 Videos
4.1 Main menu
Under main interface, select Videos, press Play key into file list.
Now playing: Press Play key into full screen play directly. If empty will not display.

Dir list: Internal Memory, External Memory. Internal Memory is to list the contents of the
Video folder. You can find in turn until you have selected a video file, and press Play key to start
playing. External Memory is to list the video contents of Micro SD card, it will no show without
Micro SD card.
Tag list: Lists all the video files with tag, up to 32 tag lists. You need to add the file to tag list
when playing, so as it can be checked.
4.2 Basic operation and submenu
1. Play/pause
Under video play interface, press Play key to switch between play/pause.
2. Fast- forward /fast- backward
Under playing interface, when playing or pause, long press Previous/Next key to achieving fast-
forward and fast- backward.
3. File switch
Under playing or pause interface, short press Previous/Next
4. Playback mode
Under playing or pause interface, press Menu key into submenu, press Previous/Next key to
select Playback mode, press Play key into the menu. Press Previous/Next key to browse
different type, press Play key to select, and press Exit key return to last menu. Playback mode:
Sequence, Repeat once, Repeat all, Shuffle.
5.Add tag
Under playing or pause interface, press Menu key into submenu, press Previous/Next key to
select Add tag, press Play key to add the file into tag list and return to playing interface.
6. Delete
Under playing or pause interface, press Menu key into submenu, press Previous/Next key to
select Delete, press Play key into delete interface. Press Previous/Next key to select OK or
Cancel, if select OK, press Play key it will be delete. In the play interface, press directly, can
enter into delete interface directly.
6. Information
Under playing or pause interface, press Menu key into submenu, press Previous/Next key to
select Information, press Play key to check information.

5 Camera mode
5.1 Main menu
Under main interface, select Camera, press Play key to enter. It does not support multi-tasking
under camera mode
5.2 Basic operation and submenu
Basic operation
Press V-, V + to adjust the focal length, there are10 levels: 1.0 ~ 2.0,
Press Play key or Take photo key to take photo, press Exit key return to last menu.
The file is saved in the CAMERA folder under the PICTURE folder in the internal memory.
： Under camera mode, short press this key to check photo directly.
： Under camera mode, short press this key to delete photo directly.
In take photo interface, press Menu key into submenu
Press Previous/Next key to select and press Play key to confirm. Then press Exit key to return.
Submenu
1. Preview

Can preview photo directly.
2. View parameter
Direct access to view parameter, it is convenient for check white balance and brightness etc.
functions.
3. Switch to DV
Direct access to video. It is convenient and fast.
4. White balance
Auto, Indoor, Outdoor. Default as Auto.
5． Brightness
Range from -3 to +3. Default as 0.
6． Exposure mode
Auto, Indoor, Outdoor. Default as Auto.
7． Special effect
Off, Black&White, Sepia, Negative. Default as Off
8． Save path
Internal Memory and External Memory (Only with Micro SD card it will display External
Memory)
9． Resolution
1600*1200，1280*960、640*480、320*240. Default as 640*480.
10. Self-timer
Off、5s、10s、15s、20s. Default as Off.
11. Shutter sound
Off、Sound 1、Sound 2、Sound 3. Default as Sound 1.
12. Date stamp
Off, Date, Date&Time. Default as Of.
13. flash led
Off, On, flash. Default as flash.
6 Video Recorder mode

6.1 Main menu
Under main interface, select Video Recorder, press Play key to enter. It does not support multi-
tasking under video record mode
6.2 Basic operation and submenu
Basic operation
Press the Play key or Take photo key to record video, press Play key or Take photo key to pause,
press Play key or Take photo key again to continue, press Exit key return to record interface and
save the recorded file, it will show “Saving file”.
The file is saved in the VIDEO folder under the CAMERAfolder in the internal memory.
： Under Video Recorder mode, short press this key to check video directly.
： Under Video Recorder mode, short press this key to delete video directly.
In Video Recorder interface, press Menu key into submenu
press Previous/Next key to select and press Play key to confirm. Then press Exit key to return.
Submenu
1. Preview
Can preview photo directly.

2. View parameter
Direct access to view parameter, it is convenient for check white balance and brightness etc.
functions.
3. Switch to DV
Direct access to video, it is convenient and fast
4. White balance
Auto, Indoor, Outdoor. Default as Auto.
5． Brightness
Range from -3 to +3. Default as 0.
6． Exposure mode
Auto, Indoor, Outdoor. Default as Auto.
7． Special effect
Off, Black&White, Sepia, Negative. Default as Off
8． Save path
Internal Memory and External Memory. (Only with Micro SD card it will display External
Memory)
9． Resolution
1600*1200，1280*960、640*480、320*240. Default as 640*480.
10. Record quality
High, Medium, Low,Auto-adapted. Default as High.
11. flash led
Sub-set content: Off, On. Default as Off.

7 Music
7.1 Main menu
Under main interface, select MUSIC, press Play key into All music interface, as below
picture:
Now Playing: List the last played song list and light on the last played song, if enter it will play
continually from last time. You can also select to play other songs.
All music: display all music file saved under MUSIC folder.
Artist: display artist list, select one artist, will show song list of the artist.
Album: display album list, select one album, will show song list of the album.
Genre: display genre list, select one genre, will show song list of the genre.
My music list: display 5 play lists, select one list, will show song list of the list.
Dir list: Internal Memory, External Memory. Internal Memory is to list the contents of the
MUSIC folder. You can find in turn until you have selected a song file, and press
Play key to start playing. External Memory is to list the contents of Micro SD card, it
will no show without Micro SD card
Record list: display all the record file lists. Note: these files are stored under RECORD folder.
Tag list: display all the tags set in the player on the song list, up to 32 tag lists.
Star level: display six levels (non-hierarchical and 1-5 star), select the corresponding level, press
MENU key to enter the next level, and it will show songs correspond to this level.
7.2 Play interface
Selected songs in the song list, press Play key to enter the music play interface. There are two
modes: normal mode and lyrics mode. If the song without lyrics, it is normal mode. If the song
with lyrics, it is lyrics mode.(Note: only open in lyric setting, it can display lyric. And the lyric
name should be same as the song)
Below picture is normal mode interface:

If not in the AB repeat mode state, repeat mode icon is not displayed; if the song without lyrics,
lyrics mark icon is not displayed; if variable speed playback is set to 0, variable speed icon is not
displayed..
7.3 Basic operation and submenu
1. Play/pause
Under music play interface, press Play key to switch between play / pause.
2. Fast- forward /fast- backward
Under normal mode interface, when playing, long press Previous/Next key to achieving fast-
forward and fast- backward.
3. Song switch
Under normal mode interface, short press Previous/Next.
4．AB repeat
Under music play interface, press Menu key will show submenu, then press Previous/Next to
select A-B Repeat mode, press Play key into A-B repeat mode function, it will appear the repeat
sign “A”, confirm it as repeat beginning, press Play key, “B” will be confirmed as repeat end
point. Press Play key, it will displayA-B, it means start to repeat, this time, press play key again
can cancel A-B repeat.
5． Repeat
Under music play interface, press Menu key will show submenu, then press Previous/Next
to select and enter Repeat mode. Then press Previous/Next key to browse, press Play key to
select, press Exit key return to last menu. There are: sequence, repeat one, repeat all,
shuffle, shuffle+repeat.
6． Select EQ
Under music play interface, press Menu key will show submenu, then press Previous/Next
key to select Select EQ, there are Normal, Rock, Pop, Classic, Soft, Jazz, DBB, User EQ
7、Set sound

Under music play interface, press Menu key will show submenu, then press Previous/Next
key to select Set sound, select User EQ.
User EQ: According to different customer-loving set different EQ, press Menu key to switch
between 80,200,1K,4K,8K,press Previous/Next key to adjust up and down, then
press Play key to confirm, press Exit key to return to last menu.
8． Replay time
Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Replay time, press Previous/Next key to adjust replay time from 1 to 10, long press Play
key for 2 seconds to save and return to last menu.
9． Repeat intervals
Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Repeat intervals, press Previous/Next key to adjust repeat intervals from 1 to 7 seconds,
long press Play key for 2 seconds to save and return to last menu.
10. Variable speed
Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Variable speed, press Previous/Next key to adjust play speed from -4 to 4 , long press Play
key for 2 seconds to save and return to last menu.
This is only valid for MP3 format. It will return to normal speed when playing next song.
11. Lyric display
Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Lyric display, press Previous/Next key to select on/Off, press Play key to confirm..(Note:
only open in lyric setting, it can display lyric. And the lyric name should be same as the song)
12. Set star level
Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Set star level, , press Previous/Next key to select star level and press Play key to confirm,
press Exit key return to last menu. It will display star levels instead of .display playing progress.
13.Add tag
Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Add tag, press Play key to confirm, it will add the current song and time into tag list and
return to play interface.
14. Add to mylist

Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Add to mylist to enter then press Previous/Next key to browse different lists, press Play
key to select and press Exit key to return to last menu. Then the current song has been added to
this list.
15. Delete the file
Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Delete the file, press Play key to enter. Press Previous/Next key to select OK/Cancel, if
select OK, it will delete the song. In the play interface, press directly, can enter into delete
interface directly.
Note: In the tag list, delete function is for delete the tag records, in the play list, just to delete the
songs from the playlist, and do not delete files.
16. Information
Under music play interface, press Menu key will show submenu, then press Previous/Next key to
select Information, press play key to enter, it will display information of the song. Press Exit key
again to return.
8 Recordings
8.1 Main menu
Under main interface, select Recordings, press Play key to enter.
8.2 Basic operation and submenu
1. Now recording
Enter into recording interface, press Play key start to record, press Play key again to pause.
2. Saving file
When recording, short press Menu key to save file and return.
3. Enter submenu

Enter into recording interface, when stop or pause, press Menu key will show: Record Format,
Record quality, Record Gain, Save path.
4. Record Format
Enter into recording interface, when stop or pause, press Menu key into submenu, press
Previous/Next key to select Record Format, press Previous/Next key to select recorded file
format, then press Play key to confirm, press Exit key return to last menu. Default as WAV
format.
5. Record quality/ Record Gain
Enter into recording interface, when stop or pause, press Menu key into submenu, press
Previous/Next key to select Record quality/ Record Gain, press Play key to confirm, press Exit
key return to last menu. Record quality: Low, Medium, High. Record Gain: 1-5 for options.
6. Save path
Enter into recording interface, when stop or pause, press Menu key into submenu, press
Previous/Next key to select Save path, press Play key to confirm, press Exit key return to last
menu. It provides Internal memory and External memory. (Only with Micro SD card it will
display External Memory)
8.3 Recording interface
Recording interface as below:
If in the recording process, there is no blank space, it will be show "full space", then save the
recorded file, and return to the recording stopped state.
9 FM Radio