DMP-300 INSTALLATION GUIDE PAGE 4 OF 20
P/N DMP010 V3.2
Model
Part No.
Description
Qty Part No.
Description
1.0 Introduction
1.1 Description
The DMP-300 Digital Media Player is a self-contained unit which stores and replays prerecorded audio tracks. The audio tracks are encoded in “Motion Picture Expert Group (MPEG)
Level 3” format, commonly referred to as “MP3”. Audio files are stored in a removable
Compact Flash™ memory card which is prepared and installed by the user.
Audio tracks are selected via a single rotary pushbutton on the front panel of the DMP-300.
Optionally, the DMP-300 may be connected to a maximum of seven external discrete trigger
inputs, each of which can be configured in software to select a particular audio track. In
addition, the RS232 data from a panel-mount GPS may be connected to the DMP-300 to allow
triggering of audio files based on geographic position.
The DMP-300 accepts a power input of between 10VDC and 35 VDC and provides a single
pair of ground-referenced stereo line-level audio output signals.
The DMP-300 has been designed and tested to the Environmental Specifications of RTCA
DO-160F. An Environmental Qualification Form which describes the various parameters and
the levels to which they were tested is available upon request from Avionics Innovations.
1.2Scope
This document describes the installation and initial checkout of the DMP-300 Digital Media
Player. It may be used to support all installations, including those intended for initial Type or
Supplemental Type Certification approvals.
1.3 Unit and Accessories
DMP-300 is available under the following part numbers.
DMP-
300
DMP-300 Installation Kit P/N DMP059-00 contains the following items.
The DMP-300 is fully contained within a 2-inch (5cm) high standard DZUS mount enclosure.
Height: 2.0 in. (5.1 cm)
Width: 5.75 in. (14.6 cm) Front Panel
5.0 in. (12.7 cm) System Enclosure
Depth*: 3.25 in. (8.26 cm)
Weight: 0.75 lb (350 g)
* Connector shell protrudes 0.25” (0.64 cm) beyond system enclosure. Allow an
additional 2.5” (6.35 cm) behind unit for mating connector and wiring.
2.2Mounting Considerations
The DMP-300 should be installed in a normally heated, pressurized section of the aircraft,
however the unit contains no moving parts and does not require special vibration isolation.
The unit may be mounted in an auxiliary area of the instrument panel, in a pedestal, or
anywhere in the aircraft cabin outside of the cockpit. In a severe vibration environment, the
unit should not be mounted vertically with the front panel facing down, to ensure that the
memory card does not accidentally vibrate loose. Otherwise, the DMP-300 may be installed in
any orientation and at any angle.
3.0 Electrical
3.1 General
The following guidelines should be used when installing the DMP-300:
♦
All wiring to be installed in accordance with FAA AC-4313-1A, Chapter 11, Sect. 2
♦
All non-audio wiring to be MIL-W-22759 unless otherwise specified
♦
All audio wiring to be MIL-C-27500 shielded unless otherwise specified
3.2Connection to Aircraft Power
The DMP-300 accepts a wide range of input voltage directly, without the need for converters or
configuration changes.
Minimum input: 10.0 VDC (1.0 Amp @ 10.0 VDC)
Maximum input: 35.0 VDC (0.1 Amp @ 35 VDC)
Nominal input: 14 VDC / 0.5 Amp
28 VDC / 0.25 Amp
DMP-300 INSTALLATION GUIDE PAGE 6 OF 20
P/N DMP010 V3.2
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