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Be sure that the battery is installed correctly. Wrong polarity may cause permanent damage to the unit. 

 

For best performance and longer operating time, we recommend the use of alkaline batteries. 

 

If the unit is not to be used for an extended period of time, remove all the batteries. Old or leaking battery can cause 
damage to the unit and will also void the warranty. 

 

Do not dispose of battery in fire. Battery may leak or explode. 

 

Battery shall not be exposed to excessive heat, such as sunshine, fire or the like. 
 

 

CAUTION: 

Danger of explosion if batteries are incorrectly replaced. Replace only with the same or equivalent type. 
 

 

  Note:

   

When the unit is plugged into an AC outlet, it automatically switches to AC power even if batteries are installed. 

 

TURNING UNIT ON AND OFF 

1. 

Rotate the On/Off Volume Control clockwise to turn ON the unit, you will hear a “click” sound. 

2. 

Rotate the On/Off Volume Control fully counter-clockwise to turn OFF the unit, a “click” sound is heard. 

 

LISTENING TO THE RADIO 

1. 

Use the Band Selector to choose the AM or FM band.   

2. 

Turn ON the radio by rotating the On/Off Volume Control clockwise. 

3. 

Use the tuning knob to tune to your desired radio station. 

4. 

Adjust the volume level.   

 

    HINTS FOR BEST RECEPTION: 

AM -  The AM antenna is located inside the cabinet of the unit. If AM reception is weak, change the position of unit until the 

internal antenna picks up the strongest signal. 

FM -  To insure maximum FM tuner reception, fully extend the FM telescopic antenna and rotate it for the best FM radio 

reception. 

 

LISTENING TO AN AUXILIARY AUDIO SOURCE 

This unit provides an auxiliary audio signal input jack for connecting external audio devices like MP3 players, CD players 
and iPods (except iPod shuffle 3rd generation) and listen to your external source through the speakers of this system. 
1. 

You need an audio cable (not included) with one 3.5 mm stereo plug on each end of the cable. 

2. 

Plug one end of the cable into the AUX-IN jack located on the right hand side of the unit and the other end of the cable 
into the Line-out Jack or Headphone Jack of your external audio device. 

3. 

Turn on the external audio device. 

4. 

Turn on your unit and it will switch to AUX mode automatically. 

5. 

The volume level can now be controlled through the volume control of your radio. Operate all other functions on the 
auxiliary device as usual. 

Note: 

(1)  If you connected the Line-out Jack of your external device then you only need to adjust the volume control of this 

system. If you connected the Headphone Jack of your external device then you may need to adjust both the volume 
control of your external device and the volume control of this system to find the most desirable volume setting. 

(2)  Remove the audio cable from AUX IN jack when you finish listening. Don't forget to switch off the power on your 

external device as well. 

 

SPECIFICATIONS 

POWER SUPPLY

 

AC -  120V~ 60Hz, 4W   

                   

DC -   4 x1.5V

  type R14/ UM-2/ “C” size batteries (not provided) 

FREQUENCY RANGE

   

FM 

88 -108 MHz 

                  

AM 

530 -1705 kHz 

 

TROUBLESHOOTING GUIDE 

If you experience difficulties in the use of this music system, please check the followings or call 1-800-777-5331 for 
Customer Service. 

Symptom

 

Possible Cause

 

Solution

 

Noise or sound 

distorted on AM or 

FM broadcast. 

 

Station not tuned properly for AM or FM. 

FM: Telescopic antenna is not extended. 

AM: The bar antenna is not positioned correctly. 

Retune the AM or FM broadcast station. 

Fully extend the FM telescopic antenna. 

Reposition the unit until the best reception 

is obtained. 

Содержание MR-550

Страница 1: ...PORTABLE AM FM RADIO MR 550 USER MANUAL PLEASE READ THIS USER MANUAL COMPLETELY BEFORE OPERATING THIS UNIT AND RETAIN THIS BOOKLET FOR FUTURE REFERENCE ...

Страница 2: ...ssory recommended by the manufacturer A product and cart combination should be moved with care quick stops excessive force and uneven surfaces may cause the product and cart combination to overturn 9 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that product heat 10 Do not defeat the safety purpose of the polarized or grounding...

Страница 3: ...mage and will often require extensive work by a qualified technician to restore the product to its normal operation e If the product has been dropped or damaged in any way and f When the product exhibits a distinct change in performance this indicates a need for service 22 To be completely disconnected the power input the mains plug of apparatus shall be disconnected from the mains 23 The mains pl...

Страница 4: ...elt pads available at hardware stores and home improvement centers everywhere and apply these pads to the bottom of the rubber feet before you place the product on fine wooden furniture LOCATION AND DESCRIPTION OF CONTROLS POWER SUPPLY The MR 550 can be operated from the following power sources AC 120V 60 Hz DC 4 x 1 5V battery type R14 UM 2 C size not provided CONNECTING TO AC POWER AND INSTALLIN...

Страница 5: ...external audio devices like MP3 players CD players and iPods except iPod shuffle 3rd generation and listen to your external source through the speakers of this system 1 You need an audio cable not included with one 3 5 mm stereo plug on each end of the cable 2 Plug one end of the cable into the AUX IN jack located on the right hand side of the unit and the other end of the cable into the Line out ...

Страница 6: ... non SPECTRA approved modifications c Claims are made within the warranty period 2 This warranty does not cover damage or equipment failure caused by electrical wiring not in compliance with electrical codes or SPECTRA user manual specifications or failure to provide reasonable care and necessary maintenance as outlined in the user manual 3 Warranty of all SPECTRA products applies to residential u...

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