MIPRO DPM-3P Digital Audio Recorder Module

User Guide

I. Part Names

The DPM-3P features several components for operation and control. Figures 1, 2, and 3 illustrate these parts.

Figure 1: Front Panel

The front panel provides access to the device's primary controls and indicators.

1. LCD Display Screen: Shows track information, status, and menu options.
2. Remote Control Port: For connecting a remote control unit.
3. Control Panel: Contains the main operational buttons.
4. Volume Knob: Adjusts the audio output volume.
5. SD Card Slot: For inserting SDHC memory cards.
6. USB Port: For connecting USB storage devices.
7. POWER Button: Turns the unit on or off.
8. SOURCE Mode Button: Selects the media source (USB or SD card).

Diagram shows the front panel with USB port, SD card slot, LCD display showing "001-01:03" and "DPM-3P DIGITAL PLAYER & RECORDER", and various control buttons including RECORD, PLAY/PAUSE, STOP, FOLDER, SOURCE, POWER, SKIP, REPEAT, SPEED, and a VOLUME knob.

Figure 2: Control Panel Details

Detailed view of the control buttons:

9. FOLDER Selection Button: Navigates through folders on the media.
10. PLAY/PAUSE Button [▶️ / ⏸️]: Starts or pauses playback.
11. RECORD Button [?]: Initiates recording.
12. STOP Button [⏹️]: Stops playback or recording.
13. REC PLAY Button [▶️]: Plays back recorded tracks.
14. REPEAT Button: Sets repeat playback modes.
15. SPEED Button: Adjusts playback speed.
16. SKIP Buttons: REV [⏪] (Rewind) and F.WD [⏩] (Fast Forward) to navigate tracks. Long press for fast seeking.

Diagram shows numbered buttons for RECORD, PLAY/PAUSE, STOP, FOLDER, SOURCE, POWER, REC PLAY, REPEAT, SPEED, and SKIP (REV, F.WD).

Figure 3: LCD Display Screen

The LCD screen displays various operational indicators and information:

Indicators: MEMO, REP1, ALL, F, RAN, PROG, ST, RDS, AF, TA, TP, EON, SLEEP.
Function Indicators: A→B (for pinpoint repeat), M3 (for MP3 playback), CD.
Playback Status: Displays playback indicators like [▶️] (Play) and [⏸️] (Pause).
Track/Folder Information: Shows current track and folder numbers (e.g., "001-01:03").
Channel Indicator: CH.

Diagram shows the layout of the LCD screen with various text indicators and numerical displays.

II. Operating Instructions

1. Media Slots

The DPM-3P supports USB drives and SD cards for media playback and recording.

(A) USB Disk: Insert a USB 2.0 drive containing MP3, WMA, FLAC, APE, WAV, M4A, AAC, or OGG files.
(B) SD Card Reader: Insert an SDHC card with the gold contacts facing up and the label facing down. Press the card again to eject it.
(C) Formatting: It is recommended to format USB and SD cards to the FAT standard before use.
(D) Source Selection: Press the SOURCE Mode button [SOURCE] to choose between USB or SD card as the playback source. The USB source is prioritized if both are inserted.
(E) NO DISK: This message appears on the display if the unit cannot detect or read the inserted media source.

Figure 4 illustrates the USB port and SD card slot on the front panel of the device.

2. Music Playback

(A) Playback: Press the PLAY/PAUSE button [▶️ / ⏸️] to start playback. The track information will be displayed.
(B) Pause/Resume: Press PLAY/PAUSE [▶️ / ⏸️] again during playback to pause (indicated by [⏸️]). Press it again to resume playback.
(C) Stop: Press the STOP button [⏹️] to stop playback.
(D) MP3 Indicator: "M3" is displayed when an MP3 file is playing.
(E) Repeat Tracks:
- "REP 1": Repeats the current track.
- "F": Repeats all tracks within the current folder.
- "ALL": Repeats all tracks from all folders.
- When the repeat function is stopped, the "REP" indicator disappears.
(F) SPEED: Adjusts the playback speed. Options include LOW (decreased speed), NOR (normal speed), and HIGH (increased speed). The speed can be adjusted in 10 different steps.

3. Order of Playing Music

(A) Sequential Copying: To ensure a specific playback order, copy desired songs into the USB storage unit one by one. The play sequence will follow the order of copying.
(B) Folder Organization: For better organization, copy songs into folders. Number the songs sequentially within each folder using a consistent numbering format (e.g., 00, 01, 02 or 000, 001, 0002). Then, copy these folders to the USB storage unit.

4. Record Tracks

(A) Recording Process: To record input signals to a USB or SD Card, insert the media and select the intended Source. Press the RECORD button [?]. The display will show "WAIT REC" until "STANDBY" flashes. Press the RECORD button [?] again to start the recording. Press RECORD [?] to pause and again to resume. Press STOP [⏹️] to stop recording. The recording is automatically converted to MP3 format (44.1KHz 128Kbps) and saved in the "REC" folder.
(B) File Format: Recordings are saved in MP3 format (44.1KHz 128Kbps) and can be stored on a USB or SD Card.
(C) Play Recorded Track: Press the REC PLAY button [▶️] to play the most recently recorded track.

III. Remote Controller Controls

Figure 5 shows the layout and functions of the remote controller.

a. ON/OFF Button [?]: Powers the unit on or off.
b. Numeral 0-9: Numeric keys used for direct track selection.
c. Mute Button [?]: Mutes or unmutes the audio output.
d. Folder Button [?]: Navigates between folders on the storage media.
e. Pinpoint A→B: Sets start (A) and end (B) points for repeat playback.
f. DEL Button: Deletes selected tracks during playback.
g. Source Button [SOURCE]: Selects the input source (USB/SD).
h. Record Button [REC ?]: Initiates recording.
i. Record Play Button [REC PLAY ▶️]: Plays back recorded tracks.
j. Repeat Button [REPEAT]: Configures repeat playback modes (current track, folder, all).
k. Play/Pause Button [▶️ / ⏸️]: Controls playback start, pause, and resume.
l. Stop Button [⏹️]: Stops playback or recording.
m. Next Button [⏩]: Skips to the next track.
n. Last Button [⏪]: Skips to the previous track.
o. Program: This function is noted as non-functioning.
p. Random Button: Activates random playback of tracks.
q. Speed Button [SPEED]: Adjusts playback speed.

Diagram shows a remote control with buttons labeled ON/OFF, Numeral 0-9, Mute, Folder, Pinpoint, DEL, MODE, Source, Record, Record Play, Repeat, Play/Pause, Stop, Next, Last, Program, Random, Speed.

IV. Remote Controller Functions

MUTE: Press the MUTE button to mute the audio. Press it again to restore the sound.
Pinpoint Repeat A→B: During playback, press the A→B button to set the start point (A). Press it again to set the end point (B) and begin repeat playback between these two points. Pressing it a third time cancels the function.
DEL (Delete): To delete a track during playback, select the track and press the DEL button. The LCD will display "DEL FILE". Press the DEL button once more to confirm and delete the track.
RAN ENTER (Random Play): Press the RAN ENTER button to play tracks in a random sequence. Alternatively, the REV or F.WD buttons on the control panel or remote can be used to navigate randomly.
Numeric Selection for Tracks: For devices with a large number of tracks, use the remote control's numeric keys to directly access a specific track.
- Example: To select track #134, press the sequence [1], [3], [4].
- Example: To select track #68, press the sequence [6], [8] and hold for approximately 3 seconds.
Other Functions: For functions not detailed here, please refer to the operating instructions for the main control panel.

V. Note

Please read this user guide thoroughly before operating the device.
Avoid striking or dropping the player.
Do not place the player near strong magnetic fields or electric fields, as this may affect performance.
Do not attempt to disassemble, repair, or modify the player yourself.
MIPRO reserves the right to change product characteristics and design without prior notice.

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