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Important notes

4

Prior to the final installation, carry out a sound check. If high distortion or intermittent 
sound is experienced, it is possible that the wiring from the CD receiver to the boat's 
electrical system is poor or that the battery needs recharging.
If the battery and its charging circuit are OK, then rewire the red fused wire of the CD 
player directly to the positive terminal (+) of the boat battery. 
Marine accessory shops stock the connector blocks and the 10 Amp cable which may 
be necessary for extending the fuse wire connection.

   

Grounding 

Make sure that the black wire on the wiring harness is connected to a good ground 
point on the boat. If the chassis of the boat is used as a grounding point, make sure 
that the surface is scraped clean from the metal before attaching the wire to it. 
It is preferable to connect the black ground wire directly to negative terminal (-) of the 
boat battery.    

   Warning: polarity... 

 

This model is only suitable for use in boats which have a negative ground system, 
e. g.. : the negative terminal of the boat

 

battery is connected to the chassis.

   Connecting the speakers and power cables

Before you wire your system, disconnect your boats battery's positive (+) cable. 
This helps prevent damage in case of a short. When you complete the wiring, 
reconnect the battery cable and test your marine stereo. When connecting your 
marine stereo's black ground wire, be sure to connect the wire to a metal part of your 
boat or preferably to the negative (-) terminal of the boat battery. 

POSITIVE
CHASSIS

NEGATIVE
CHASSIS

1. Reset Function

A microprocessor reset button has been provided to facilitate manual resetting of the 
internal microprocessor. In the unlikely event that the player fails to operate correctly 
refer to step 3 below.

Note:

 It will be necessary to re-enter the radio preset memories as these will have 

          been erased when the microprocessor was reset. After resetting the player, 
          ensure all functions are operating correctly.

2. General Precautions

If the unit has become extremely hot we strongly recommend that you allow it to cool 
down before using. Take care of your CD DISC to preserve the quality of the recording. 
Do not allow CDs to be exposed to direct sunlight. Store them in a place protected 
from dirt and dust and avoid handling them with oily, greasy or wet hands.
Be sure the CD is put into the CD slot label side up.

3. Caution

  

Precaution and Maintenance

2

1

1

2

3

3

RESET :

  If you are faced with a malfunction during the operation, simply press 

the reset button.

LED :

  It flashes when the faceplate is removed. 

CONNECTOR PIN :  

Always keep connector pin clean.

If the PIN connector looks dirty, use cotton tips and clean it to avoid any 
unexpected malfunction caused by dirt.

1

1

2

2

3

 145x210mm

EST.JBL(MR4.2)-061129-I/B

Summary of Contents for MR-4.2

Page 1: ...STEM 4 RDM This product is sold and serviced exclusively by Prospec Electronic Inc and must be returned to Prospec for in and out of warranty repairs It can not be serviced under warranty by other JBL...

Page 2: ...llation Supporting the Unit Identification of Control Functions Controls Operating the Radio Operating the CD Player Precaution and Maintenance Trouble Shooting Guide Specifications Identification Con...

Page 3: ...wires not used when completing a two speaker installation are fully insulated Iv The memory wire yellow is connected to a permanent 12V supply v The power wire red is connected via the ignition switch...

Page 4: ...RADIO Poor atmospheric conditions Try again later in the day Antenna lead broken or damaged Power Output 4 x 45 watts Power Supply DC 12V Negative Ground Speaker Impedance 4 ohm Tuning Range 530 1710K...

Page 5: ...connect the battery cable and test your marine stereo When connecting your marine stereo s black ground wire be sure to connect the wire to a metal part of your boat or preferably to the negative term...

Page 6: ...autions Choose the mounting location carefully so that the unit will not interfere with the normal driving functions of the boat Avoid installing the unit where it would be subject to high temperature...

Page 7: ...on by manually setting a new frequency 5 Scan 7 Scan strong stations for previewing At a desired station press SCAN 7 button again to stop 6 Program memory scan Press the preset buttons 1 6 to find th...

Page 8: ...ical music in an auditorium POP M display for the electric excitement of stadium pop ROCK M display for the subtle extension of the music s dimensions IEQ OFF display cancel the sound feature 8 TIME F...

Page 9: ...ain the unit will be in Area Selection mode Use the spindle knob to choose USA or EUR Europe Press and hold the BAND button for 1 2 seconds to set the format 3 Volume control Turn the spindle knob 2 l...

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