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.
Controls and Connections Latch Eject CD Reset Line Out Antenna Auxiliary Inputs DIN Cable Speakers/Power 2 Poly Planar LLC 520 McCormick Dr. Glen Burnie MD. 21061 410-761-4000 www.polyplanar.
Wiring Details Wire Color Red Green w/stripe Green Yellow White w/stripe White Blue Gray w/stripe Gray Black Violet w/stripe Violet Function 1 ACC+12VDC 2 Rear Left Speaker3 Rear Left Speaker+ 4 Memory +12VDC 5 Front Left Speaker6 Front Left Speaker+ 7 Remote/Antenna Trigger 8 Front Right Speaker9 Front Right Speaker+ 10 Ground (Neg) 11 Rear Right Speaker12 Rear Right Speaker+ Power Wire Specifications Red Wire Connect this wire to a switched +12V source such as an ignition or accessory switch.
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. (Connector cap ends removed) 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.
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 7 AM/FM Band/Preset Bank 16 Network Cable 8 Scan Channels 17 Infrared Port, Ambient 9 Volume Control light sensor Poly Planar LLC 520 McCormick Dr. Glen Burnie MD. 21061 410-761-4000 www.polyplanar.
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 1 Microphone: Waterproof intercom microphone. 2 Intercom Switch: Hold down to talk. Release to hear. The intercom will override the music in the other zones. It will also override a muted RD-44 in another zone while the switch is pressed. The volume for each zone with an RD-44 is adjustable.
6 Down: Tunes Radio frequencies and changes tracks lower. Press and hold to manually tune or fast forward a CD track. 7 Band/Bank Select: Choose between FM, AM and optional XM bands as well as multiple banks of presets for each band. Each bank has six presets. The banks are FM1, FM2, FM3, AM1, AM2 and XM1, XM2 and XM3 if installed. 8 Scan: AM/FM/XM mode. Tunes and stops at available stations for a few seconds. Press scan a second time or one of the tune buttons to stop scanning.
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. To program a preset, tune in the desired station. Push and hold the desired PRESET button for at least 2 seconds. Automatically setting the presets: To automatically set the presets to the next higher stations, press the preset button (16) from which to start programming.
the switch to the desired position. (Power must be removed from the radio, or the reset switch must be pressed before the new frequency mode is activated.) Special Controls for CD Operation Intro scan, random, repeat: Press the 'INTRO' (preset 1) to enter intro-scan mode. 'SCN' will appear at the left of the display. The first 10 seconds of each track on the CD will play continuously until you press the INTRO button a second time or the TUNE/SEEK UP or DOWN button.
Display Descriptions on the RD-44 Control Panel AM/FM Tuner Screen Frequency Band/ Preset Bank 100.3 FM1 P1 Stereo Vol 15 Stereo Signal Present 4m 49s Vol 15 Elapsed Time Volume Level Preset # CD Player Screen Track # Trk 07 CD Volume Level MP3/WMA CD Screen Track Info Encoding Song Title MP3 Vol 15 also, Album & Artist Volume Level Auxiliary Input Screen Aux Input 1 Vol 15 10 Volume Level Poly Planar LLC 520 McCormick Dr. Glen Burnie MD. 21061 410-761-4000 www.polyplanar.
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. Make sure the control panel is not in MUTE mode. 2. Make sure the volume is up. 3. Check that speaker outputs are not shorted to ground. 4. Make sure speakers are connected Distorted Audio / Audio Cycles on & Off 1.
Specifications Number of Channels ……………………….. 4 Speaker Impedance ………………………… 4 – 8 ohm Output Power (4 ohm load) ………………… 25W RMS per channel Maximum Power Output ………….…………. 45W x 4 (180W) Frequency Response ………………………. 20 Hz – 20 kHz Operating Voltage ………………….. ………13.8V (10V – 16V) DC Idle Current (no signal) ……………………… 10 mA Maximum current draw (full power) ………..
