poly-planar MRD-70 Manual Download Page 1

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Poly Planar LLC 520 McCormick Dr. Glen Burnie MD. 21061 410-761-4000

www.polyplanar.com

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-P

lanar’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

Summary of Contents for MRD-70

Page 1: ...hat 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: ...Poly Planar LLC 520 McCormick Dr Glen Burnie MD 21061 410 761 4000 www polyplanar com 2 Controls and Connections Eject CD Reset Latch Line Out DIN Cable Speakers Power Auxiliary Inputs Antenna...

Page 3: ...t this wire to a switched 12V source such as an ignition or accessory switch This connection must be able to supply 7amps of current Yellow Wire Connect this wire to a constant 12V source This retains...

Page 4: ...duits The blue connector cap ends can be discarded if a smaller diameter is required such as a Pod mount Use shrink tube to seal the connections Connector cap ends removed Before drilling holes for ca...

Page 5: ...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 7 AM FM Band Preset...

Page 6: ...tercom volume up or down See Volume 9 The Master zone intercom volume is set using a potentiometer on the RT 20 Router See RT 20 Instructions 3 Presets Tune to a desired AM FM or Satellite Radio optio...

Page 7: ...an through the preset stations and press again to stop the scan Press and hold to automatically assign presets to the current bank starting with the next station found 11 Audio Controls Pressing this...

Page 8: ...reached release the button The unit remains in manual tune for 3 seconds after the button is released so you can still fine tune with additional button presses After 3 seconds the seek mode is re enab...

Page 9: ...Press and hold REPEAT to repeat the current album Unit will display DPT Press preset 4 to alternately pause and play the CD Press Album presets 5 6 to change Album Folders on MP3 WMA CD ROM discs Usi...

Page 10: ...l 100 3 Stereo FM1 P1 Vol 15 Frequency Band Preset Bank Preset Stereo Signal Present Volume Level AM FM Tuner Screen Trk 07 4m 49s CD Vol 15 Track Elapsed Time Volume Level CD Player Screen Aux Input...

Page 11: ...r voltage too low or too high 3 Input signal level too high Turn down 4 Power wire gauge too small Use at least 14AWG wire Low Bass Output Speakers are wired out of phase Check polarity of wires to th...

Page 12: ...C Idle Current no signal 10 mA Maximum current draw full power 7 A Remote wire current 4 mA WARRANTY Poly Planar marine audio systems are warranted to be free of defects in materials and workmanship f...