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poly-planar MRD-70 Manual

Radio cd/mp3 player
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MRD-70 Radio CD/MP3 Player
Introduction:
The MRD-70 is water-resistant radio, CD/MP3 player that also functions as a
network audio source with Poly-Planar's other audio network products.
Features:
AM/FM/CD/CD-R/CD-RW/MP3 Source Unit
Sealed chassis optimized for wet environments
Anti-skip memory
180W maximum power output (45W x 4)
Automatic distortion control
Functions using the RD-44 Control Panel
Two sets of Auxiliary Inputs and one Auxiliary Output
Controls optional CD Changer
Poly Planar LLC 520 McCormick Dr. Glen Burnie MD. 21061 410-761-4000
www.polyplanar.com
Rev 2.0
1

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Summary of Contents for poly-planar MRD-70

  • Page 1 MRD-70 Radio CD/MP3 Player Rev 2.0 Introduction: The MRD-70 is water-resistant radio, CD/MP3 player that also functions as a network audio source with Poly-Planar’s other audio network products. Features: AM/FM/CD/CD-R/CD-RW/MP3 Source Unit Sealed chassis optimized for wet environments Anti-skip memory...

  • Page 2: Controls And Connections

    Controls and Connections Latch Eject CD Reset Line Out Cable Auxiliary Inputs Antenna Speakers/Power Poly Planar LLC 520 McCormick Dr. Glen Burnie MD. 21061 410-761-4000 www.polyplanar.com...

  • Page 3: Wiring Details

    Black Wire Connect this wire the negative battery terminal or other good power ground. Blue Wire This wire outputs a 12V signal when the MRD-70 turns on. It is used to remotely turn on external amplifiers. Notes: Use the included plug/wire bundle to connect to the power source and speakers.
  • Page 4 Connecting the System DIN Cable The DIN cable is “Keyed” to prevent misalignment and all connections are gender specific Leave the end caps on when routing to prevent damage or contamination to the leads. The cap is designed for pulling through wire conduits.
  • Page 5 Using the RD-44 with the MRD-70 1 Microphone 10 Menu/Category/Preset Scan 2 Intercom Switch 11 Audio Controls 3 Presets (1-6) 12 Audio Source Select 4 Display Options 13 Power On/Off 5 Tune/Track Up 14 Mute 6 Tune/Track Down 15 Amplifier Source Select...

  • Page 6: Control Functions

    Audio Network Connections See RD-44 manual for operation details. The Basic System consists of the MRD-70 and a control panel such as the Poly-Planar RD-44 shown. Control Functions Microphone: Waterproof intercom microphone. Intercom Switch: Hold down to talk. Release to hear. The intercom will override the music in the other zones.
  • Page 7 (see the MZ amplifier manual for details). 16 Network Cable: Connects Poly-Planar audio components. 17 Infrared Port & Light Sensor: Receiver for the remote control and ambient light sensor to automatically adjust backlighting.

  • Page 8: Radio Operation

    Radio Operation Selecting band & storing presets: Pressing BAND (7) will toggle through the radio modes as follows FM1 -> FM2 -> FM3 -> AM1 -> AM2. Each band stores up to 6 independent presets for a total of 18 FM and 12 AM presets.
  • Page 9 CDs are in the magazine, then 'NO DISC' will appear in the display CD-ROM Play Sequence The MRD-70 will play MP3 and WMA audio files. The MRD-70 will ignore files that do not end in “.mp3” or “.wma”. Also, all folders will be assigned a number in order of play. If a folder does not have music files in it, it’s number will be skipped when pressing the Album +/- keys.

  • Page 10: Aux Input

    Display Descriptions on the RD-44 Control Panel AM/FM Tuner Screen Frequency Stereo Signal Present 100.3 Stereo Vol 15 Band/ Volume Level Preset Bank Preset # CD Player Screen Track # Elapsed Time Trk 07 4m 49s Vol 15 Volume Level MP3/WMA CD Screen Track Info also, Album &...
  • Page 11 Troubleshooting: No Audio, Inside door LED off 1. Make sure the control panel is on. 2. Make sure the Blue remote wired is switched to 12 volts. 3. Make sure the inline fuse is not blown. (Red wire) 4. Check that power wires are getting 12 volts from battery. No Audio, Inside door LED on 1.

  • Page 12: Specifications

    Remote wire current ………………………… 4 mA WARRANTY Poly-Planar marine audio systems are warranted to be free of defects in materials and workmanship for a period of two years. Warranty is subject to proper installation and operation within published specifications. Poly-Planar will repair or replace, at its discretion, any unit returned prepaid to its factory and determined to be defective.

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