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Thank you for your purchase of DP-400, an MP3 on hold system offering
the following features:

!

100% digital design - no tape/CD download required

!

Works with any phone system with an “external music” or “background
music” (BGM) input

!

MP3 and WAV compatible

!

Utilizes CompactFlash memory  cards for audio storage - more than an
hour’s worth of audio can be stored

!

Multiple track capability

!

Bright LED display for track number

!

Built-in monitoring speaker

!

Low power, maintenance free design

!

Desktop or wall mount

Whether it’s used to keep callers informed or entertained, DP-400 is an
efficient and cost effective tool that turns wasted hold time into pleasant
and valuable advertising time for your business.

Specifications

!

Supported File Formats:
MP3 - ISO 11172-3, CBR/VBR
WAV - uncompressed PCM, 8/16 bit, mono/stereo

!

Maximum Number of Tracks: 99

!

Audio Output Impedance: 8 Ohm

!

Memory Card: CompactFlash type I

!

Physical Dimensions: 6.6” (L) x 4.5” (W) x 1.1” (H)

Package Content

1 x DP-400 Player Unit
1 x Power Adaptor
2 x Audio Patch Cords (one with 1/8” phone plug, one with RCA plug)
1 x User’s Manual
1 x Metal Mounting Plate
1 x CompactFlash Card (optional)

Installation Guide

Step 1: Install the flash card.

First turn the power off by turning the 

VOL Dial

toward the OFF direction till the LED display is
off. You can also unplug the power cord if the

VOL Dial

 has been adjusted properly from pre-

vious use and you don’t want to change it. Then
insert the card as shown in the diagram on the
right. The card should slide in with little effort.
To remove the card, press the black 

Eject But-

ton

.

Step 2: Connect the unit.

Connect the power supply and the audio patch cord. Two different au-
dio patch cords are provided. Use the one that fits your phone system.

Step 3: Turn on power and adjust output level.

Use the 

VOL Dial 

to turn on power and adjust output level. Audio playback

starts automatically. Press the 

Speaker Button

 (on cast top) to toggle the

internal speaker on and off. The internal speaker is for testing purpose only
and may be turned on or off during normal operation.

Step 4: Change tracks.

Up to 99 tracks can be stored on the flash card. The unit plays the se-
lected track repeatedly until you press the 

Change Button

 to go to the

next track. If you go beyond the last track, the display will show “AL”
and all tracks are selected (played sequentially). You can also press and
hold the button for more than 2 seconds to select all tracks. Press the
button again to select the first track.

DP-400 remembers which track it was playing before power failure, and
it resumes that track automatically when power is restored. The LED
display shows the current track number.

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