the built-in rechargeable battery before first use, the CHARGE INDICATOR
turn from blinking to solid on when the built-in battery is fully charged.
will
RADIO OPERATION
2. Unplug the USB type C jack of the main unit, the unit will enter Battery Operating mode
1. Press and hold the POWER
button to turn on the unit, the unit will be "On" and the
power LED indicator will light.
If the unit is in “other function mode”, tap the MODE button repeatedly to select FM
mode. “rAd” will briefly appear on the LCD DISPLAY and then “FM” along with the
current FM radio station frequency.
automatically.
LOW BATTERY INDICATION
2.
1. When the built-in battery power remains around 10%, the low battery icon will
show on the LCD display and blink, please connect the unit to the USB-C power
adapter for charging.
3. To automatically scan and store radio stations, press and hold the SCAN BUTTON
until frequency readout on the display begins to scan and then release the button.
2. After prolonged use, the battery voltage may discharge, and operation might become
4. To manually tune to a specific radio station, tap the TUNE- or TUNE+ BUTTON
intermittent. When this happens, please recharge the internal battery.
repeatedly. Use the manual tuning method to tune to weaker stations that are
bypassed during Automatic Tuning.
To automatically tune to the next available radio station, press and hold the or
BUTTON for 1-2 seconds until frequency readout on the display begins to scan and
then release the button. The tuner will stop scanning when it receives the next
broadcasting station of adequate signal strength.
CHARGING INSTRUCTIONS
5.
CHARGING THE BATTERY WITH THE INCLUDED USB ADAPTER
1. Charge the built-in Lithium battery a minimum of 5 hours prior to first use. Firmly and
securely insert the type C plug of the power adapter into the USB type C Jack on the back
of the unit.
Turn the unit into Power Off mode. Plug the power adapter plug into the 120 V AC outlet.
Connecting this system to any other power source may cause damage to the system.
6. Adjust the ROTARY VOLUME knob to obtain the desired sound level.
FM / FM STEREO OPERATION
If an FM stereo broadcast program is being received, the FM STEREO INDCATOR “ST”
will appear on the display. However, if FM reception is weak, try repositioning the unit near
an open window until you get the best reception.
PRESET RADIO STATIONS
2.
Notes:
1.) Charging time will vary if you are listening to music while charging the internal battery.
The charging indicator will keep running in Power On mode. We recommend you place
the unit in Power off mode during the charging process or until SB3720 batteries are fully
charged.
appear on the LCD DISPLAY.
2.) To prolong the life of a rechargeable battery, it is recommended to completely discharge
it before fully charging it again.
3.) Rechargeable batteries need to be cycled for maximum performance and longer battery
life. If you don’t use the player that often, be sure to recharge the battery at least once a
month in order to keep the internal battery working properly.
5. Tap the or button repeatedly to select the preset number you want to assign the
station to.
Battery Note and Care
Do not burn or bury batteries.
Do not puncture or crush.
Do not disassemble.
Recycle Lithium batteries. Do not dispose of in the trash.
Use only chargers rated for Lithium cells. Be sure the charger’s voltage and current
settings are correct for the battery pack being charged.
Charge batteries on a fireproof surface away from flammable items or liquids.
Batteries should NEVER be left unattended while charging. Only adults should charge
the batteries.
Follow the manufacturer’s instructions for charging the product and do not charge
longer than the recommended charging time. Unplug the charger when the battery is
charged or not in use.
NOTE:
This unit features an AUTO SEARCH function that will automatically save the first 20 strong
stations found. To use this feature, make sure the unit is in FM mode. Press and hold the
BUTTON until the station frequency begins to scan. The unit will scan from the lowest
frequency to the highest frequency within the frequency band. The strongest radio stations
found will be stored in the preset locations starting from P01 and up until all 20 presets are
stored (P20), or until it runs out of stations to scan.
RECALLING PRESET RADIO STATIONS
Tap the MEM/M+ BUTTON repeatedly to select the location of the station you want to listen
to.
NOTE: These speakers are not magnetically shielded and may cause color distortion on
the screen of some TVs or video monitors. To avoid this, you may need to move the
speakers further away from the TV or monitor if unnatural color shifts or image
distortion occurs.
7 8
3. When the AC power is connected, the battery icon will start blinking, indicating that the
internal battery is being charged.
4. After the battery is fully charged, the battery icon will turn to solid on.
1. Press and hold the ON/OFF BUTTON to turn on the unit.
2. Tap the MODE BUTTON repeatedly to enter FM mode. The FM radio frequency will
3. Tune to the desired radio station either by “manually” or “automatically” tuning method.
4. Press and hold the MEMORY BUTTON (MEM/M+ BUTTON 10), the preset memory
number flash on the LCD DISPLAY. (Note: P01 will blink in the display if you are
programming preset for first time).
6. Tap the MEM/M+ BUTTON to confirm your preset station.
7. Repeat the above steps, 3 - 6 to preset up to 20 FM stations.
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