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Operating the Radio

1.

 Press the 

BD/LD button (8)

 to select the desired band FM1, FM2, FM3, AM1 or AM2.    

2. Manual / Seek tuning buttons (9) :  

Press this button quickly to activate the 

Seek mode. The Seek mode will automatically seek up or down the wave band and 
stop at the next station of sufficient signal strength. Press this button (9) for longer 
than 2 seconds to advance the tuning up or down the wave band.

3. Manual station store:  

Select the desired band and tune to a radio station to be 

memorized. Choose the preset button memory location 1-6 into which the station is
to be stored and press and hold that preset button for 2 seconds. The station will 
now be entered into the preset memory. 6 stations can be memorized on each of the 
FM1, FM2, FM3, AM1 & AM2.

4. A.PS - Auto store function. (18)

Depress and hold button (18) for approximately 2 seconds until you hear a signal
which confirms the memory function is complete and the display shows "SEARCH". 
Automatically six strong stations are stored on the station buttons 1 - 6. 
You can override the preset station on any button 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 the memorized radio stations.

7. Stereo - / mono - reception

The unit is prepared for stereo reception as soon as it is turned on. If you now receive 
an FM-station which airs a stereo broadcast in the course of its program, 
the corresponding indication appears on the display.

 1. UNIT
 2. RELEASE CASE 
 3. HEX NUT
 4. LOCK WASHER                                     
 5. PLAIN WASHER 
 6. BODY
 7. REAR SUPPORT STRAP
 8. TAPPING SCREW 
 9. M5 X 20 HEX BOLT

3

5

2

1

4

6

8

HEX

Lock Washer

Plain Washer

7

   Accessories subject to change without notice.  

1.  Fuse replacement

If the fuse blows, check the power connection and replace the fuse. If the fuse blows 
again after the replacement, there may be an internal malfunction. In this case, 
consult your nearest dealer.   

2. Warning

Use the specified amperage fuse for each lead. 
Use of a higher amperage fuse may cause serious damage.

Supporting the unit

3

9

7

6

11

 145x210mm

3

2

7

4

8

18

16

10

11

12

13

14

15

6

17

1

5

9

MARINE

MARINE

PWR

MOD

MR - 4.2 

4CHx45Watts

2 INT

3 RPT

5

6

SCN

BD/LD

T/F

MUTE

A

.P

S

REL

1

IEQ

COMPACT DISC PLAYER                                         

 DETACHABLE SYSTEM

4 RDM

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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