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Note: 

If the battery is completely drained (LCD clock display and LED 

light do not work), it may require very long exposure to direct sunlight 
in order to charge the battery using the solar panel. You should use one 
of the other power modes available if you need to use the radio
immediately.

4) USB Power

The unit has a mini USB jack on the back of the unit under the Rubber 
Dust Cover.
1
    (not included), and connect it to the USB port on the back of the unit.

.

Use the mini USB plug side of a 5V DC, 500mA output AC adaptor 

2
    the AC adaptor into an 120V AC, 60Hz household outlet.

.

Set the Power Source Selector to

 "Li-ion Battery"

 position     and plug 

 

 Li-ion

2

More power is 

    generated the longer you leave the unit in direct sunlight, and the 
    Radio listening time will be extended (Radio reception only).

.

Put the unit in direct sunlight, making sure the solar panel of the unit is 

    facing towards the sun. If the sunlight is strong enough, the charging 
    Indicator will light indicating the unit is charging. 

LOW BATTERY INDICATOR

When using battery power to operate this unit and the battery power 
becomes weak, the low battery icon       will appear & flashing on LCD 
display. You are recommended to charge the rechargeable battery or 
replace the exhausted dry cell batteries immediately.

Note: 

The USB power adaptor (not included) described above is the same 

type commonly used with smartphones. A USB to mini USB cord 
(not included) is also required for charging the unit via the mini USB jack 
located on the back of the unit.

CLOCK SETTING

When the unit is in standby mode:

Setting 12/24 Hour format

1
    mode, 12 hour format (12 Hr) flashing.

.

Press and hold the MODE button for 2 seconds to enter clock setting 

2
    format, then press MODE button to confirm. Hour digits flashing to 
    prompt for input.

.

Tap the TUNE         button to select 12 hour (12Hr) or 24 hour (24Hr) 

Setting Clock

3
hold the buttons to speed up the forward or reverse scanning of the digits.

.

Tap the TUNE         button repeatedly to set the hour value. Press and 

Note

: Make sure the hour is set so that the 

AM 

or 

PM 

indicators are 

displayed correctly.

8

Summary of Contents for MR-750

Page 1: ...R AM FM NOAA WEATHER BAND RADIO USER MANUAL MR 750 PLEASE READ THIS USER MANUAL COMPLETELY BEFORE OPERATING THIS UNIT AND RETAIN IT FOR FUTURE REFERENCE...

Page 2: ...a safe level Start your volume control at a low setting Slowly increase the sound until you can hear it comfortably and clearly and without distortion Once you have established a comfortable sound le...

Page 3: ...nded by the manufacturer 7 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 8 Only use attachments accessories spe...

Page 4: ...his equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by...

Page 5: ...el 6 LED Flashlight 7 Power On Standby button 8 Clock Radio Tune Down button 9 Volume Down Button 10 Radio Mode selection Clock Set button 11 Weather Alert Indicator 12 Speaker 2 Clock Radio Tune Up b...

Page 6: ...13 16 15 23 17 18 19 20 21 22 POWER SOURCE This radio is designed to operate on multiple power sources MPORTANT If you pull the insulation tab out to activate the internal rechargeable battery and the...

Page 7: ...and LED light do not work You may need to press the reset button if lithium battery is charged up by cranking but radio or LED light does not work 6 Press the Power On Standby button to turn on the un...

Page 8: ...ectly Wrong polarity may damage the unit AAA Note When switching the power source from internal lithium battery to the AAA batteries please make sure the unit is OFF and in standby mode You may encoun...

Page 9: ...ng Indicator will light indicating the unit is charging LOW BATTERY INDICATOR When using battery power to operate this unit and the battery power becomes weak the low battery icon will appear flashing...

Page 10: ...will stop on the first strong signal it finds 5 Press VOLUME button to obtain the desired sound level 6 Press the button on main unit to turn unit into standby mode after listenning The LCD backlight...

Page 11: ...OR BEST RECEPTION To insure maximum weather band reception the Telescopic Antenna should be fully extended and rotated to obtain the best possible station reception 2 RECEIVING AN EMERGENCY WEATHER AL...

Page 12: ...casts a test alert every Wednesday between 11 am and Noon To receive the broadcasts the radio must be within the range of the local broadcast site 10 40 miles depending on terrain and obstructions 3 W...

Page 13: ...ile charging the red Charging LED on back of the unit will be on It will turn to green when the battery is fully charged CHARGING YOUR SMART PHONE OR PORTABLE DEVICE This unit features a USB port for...

Page 14: ...conds before powering on the unit 5 In some cases the internal battery may not fully charge your portable device It s recommended that if you start to get intermittent charge indications unplug the de...

Page 15: ...f the unit 3 Clean your unit with a damp never wet cloth Solvent or detergent should never be used 4 Avoid leaving your unit in direct sunlight or in hot humid or dusty places CAUTION Never allow any...

Page 16: ...a AM reception is weak Relocate the position of the unit Unit in Weather Alert Mode Select AM FM or WB mode as desired Power is not on Unit is charging your portable device Recharge the built in recha...

Page 17: ...d within the U S A This warranty is not assignable or transferable Our obligation under this warranty is the repair or replacement of the defective unit or any part thereof except batteries when it is...

Page 18: ...state to state TO OBTAIN SERVICE please remove all batteries if any and pack the unit carefully and send it freight prepaid to SPECTRA at the address shown below IF THE UNIT IS RETURNED WITHIN THE WA...

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