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JBL MR-140, Руководство по эксплуатации, Страница: 2 / 8

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13

Trouble shooting guide

INTERFERENCE ON 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 :

 530~1710KHz  (USA)

                        522~1620KHz (EUR)           

Sensitivity :

 35dB / uV

Tuning Range :

 87.5~107.9MHz(USA)

                        87.5~108MHz (EUR)

Sensitivity :

 

10dB / uV

Separation :

 30dB

FM TUNER

COMPACT DISC

AUDIO AMP & GENERAL

Freq. Response :

 20 Hz-20 KHz

Total Harmonic Distortion :

 0.8%

Signal - Noise Ratio :

 65 dB

Dynamic Range :

 90 dB

DISTORTED AUDIO

Specifications

AM TUNER 

Check loudspeaker wiring.

This product contains a biamp. It is important not to connect the front 

loudspeaker ground to the rear speaker ground.

Faulty loudspeaker.

Distortion at highest volume levels may be normal, as amplifier has 

reached maximum power output. Otherwise the power and ground wire s 

gauge might be too small (use 10amp cable or more).

Reduce the bass effect or switch off the loudness mode.

Boat battery and or charging circuit may be faulty.

 

Содержание MR-140

Страница 1: ...ely 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 service centers All products sold and serviced exclusively by Prospec Electronics Inc For service contact us 3325 South Morgans Point Road Mount Pleasant SC 29466 Tel 843 849 9037 Fax 843 849 9054 RESET BY PUSHING MODE AND BAND TO ENSURE PROPER OPERATI...

Страница 2: ... GENERAL Freq Response 20 Hz 20 KHz Total Harmonic Distortion 0 8 Signal Noise Ratio 65 dB Dynamic Range 90 dB DISTORTED AUDIO Specifications AM TUNER Check loudspeaker wiring This product contains a biamp It is important not to connect the front loudspeaker ground to the rear speaker ground Faulty loudspeaker Distortion at highest volume levels may be normal as amplifier has reached maximum power...

Страница 3: ...memories as these will have been erased when the microprocessor was reset After resetting the player ensure all functions are operation 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 s to preserve the quality of the recordings Do not allow CDs to be exposed to direct sunlight Store them in ...

Страница 4: ...Installation Notes This radio contains four separate power amplifiers To prevent possible damage to these amplifiers please ensure the following Applicable to both 2 and 4 speaker connection i The boat chassis is not used as a loudspeaker ground ii Front and rear loudspeaker connecting wires are not joined together iii Any wires not used when completing a two speaker installation are fully insulat...

Страница 5: ...ery POSITIVE CHASSIS NEGATIVE CHASSIS Operating the Radio 1 Press the BND button 6 to select the desired band FM1 FM2 FM3 AM1 or AM2 2 Manual Seek tuning buttons 7 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 7 for longer than 2 seconds to advance the t...

Страница 6: ...test digital sound technology Pressing this key repeatedly allows you to select from the following features FLAT display normal operation mode CLASSICS display for the dramatic depth of classical music in an auditorium POP display for the electric excitement of stadium pop ROCK display for the subtle extension of the music s dimensions DSP OFF display cancel the sound feature 7 TIME FREQUENCY T F ...

Страница 7: ...AND button for 1 2 seconds to set the format 3 Volume control Turn the spindle knob 2 left or right to decrease or increase the volume level Switching on your radio automatically allows you to set the volume level without having to select it first Simply turn the spindle knob to set the desired level Bass control Turn left to lower the bass Turn right to increase the bass Treble control Turn left ...

Страница 8: ...rol press key 2 TRB display treble tone control press key 2 BAL display balance control press key 2 FAD display fader control press key 2 If the key or one of the keys is not pressed within 5 seconds the radio automatically switches into volume level control mode These settings are indicated on the display window 2 Beep 2nd I Vol Area Selection When the select button is pressed over 2 seconds the ...

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