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1. The unit is a battery powered PA loudspeaker. It 

 Be sure to 

completely charge the battery prior to first use to maximize the battery's 
operational life span. The battery takes approximately

ours to charge 

fully. The unit will begin charging automatically when the power cord is 
connected to a power source and the Power Switch is set to ON/OFF.
When connected to a power source, the unit will play while also charging 
the battery.

2. Disconnect the power cable when the battery is fully charged.
3. A fully charged battery can provide up to 3 hours of play time under 

standard conditions and use.

4. Always set the Power Switch to OFF when the unit is not in use to prevent 

the battery from being completely drained.

6. To maintain the health of the battery when the unit is not in use, charge 

the battery fully every 2 months.

works with direct AC 

power or with the supplied battery pack (DC 7.4V, 1.8Ah). 

5. The LED indicator will light red when the battery is being charged. The 

indicator will light green when the battery is fully charged.

 3 h

6

PAIRING A BLUETOOTH DEVICE

Use

 

Bluetooth

 

mode

 

to

 

stream

 

music from a Bluetooth enabled player (e.g., smart-

phone or tablet device). A device must be paired with the unit before using them 
together for the first time.
1. Make sure Bluetooth is enabled on your device and that it is next to the unit 

before attempting to pair it.

2. Turn on the unit and set it to Bluetooth mode (press the MODE button). The unit 

will automatically enter pairing mode and the LED indicator will flash.

3. Use your device to search for nearby Bluetooth devices. The boombox will be 

listed as “SOUND PRO NDS-1503.” (This function is usually in the Bluetooth 
settings menu; refer to your device’s instruction manual to learn more.)

4. Select "SOUND PRO NDS-1503" from the list of found/available devices. If your 

device asks for a passcode, use “0000” to complete the pairing process.

The LED indicator will light steady when it is paired. You can now start playback on 
the device to start streaming music to the speaker.
If you are having trouble pairing with the unit, try unpairing any previous devices by 
pressing and holding the             button.

Содержание NDS-1503

Страница 1: ...TM 1503 15 ...

Страница 2: ...ng the installation and connections connect all your equipment with low volume level Once all devices are connected slowly increase the volume or level controls to achieve the proper position 13 Before placement installation assembly or suspending any product inspect all equipment suspension cabinets transducers brackets and associated equipment Any missing component corroded deformed or with non ...

Страница 3: ...REAR PANEL 2 17 1 2 3 20 6 7 8 9 10 11 12 13 15 16 18 19 4 5 14 21 ...

Страница 4: ...e built in battery or AC power 7 DC 12V IN Connection to a 12V external battery or other DC power source e g a DC 12V car boat power socket 8 Antenna Extend the telescopic antenna to maximize FM radio signal reception Retract the antenna after use to protect it from damage Master Level Volume Control Turn this dial to adjust the master volume 14 LED Indicator Lights red when the battery is chargin...

Страница 5: ... VOL Press this button to increase the volume 10 Keypad for selecting a track number in USB SD modes 2 3 4 5 6 INPUT MUTE FLODER FLODER POWE R CH CH SCAN REP 7 8 9 10 11 11 Folder Press this button to switch folders for playback in USB SD modes Requires music to be organized in folders on the USB SD memory card MICROPHONE 1 To prevent damage to the microphone do not turn on the microphone before s...

Страница 6: ...ing digital audio files from the USB SD card 2 Track Number Shows the number of the track currently playing from the USB SD card Repeat Mode Press and hold the button to change the repeat play mode during USB SD playback Select Repeat All to cancel repeat mode 3 4 Bluetooth Mode FM Mode The current FM station frequency is shown here Press and hold the button to scan all the stations To disconnect ...

Страница 7: ...d The indicator will light green when the battery is fully charged 3 h 6 PAIRING A BLUETOOTH DEVICE Use Bluetooth mode to stream music from a Bluetooth enabled player e g smart phone or tablet device A device must be paired with the unit before using them together for the first time 1 Make sure Bluetooth is enabled on your device and that it is next to the unit before attempting to pair it 2 Turn ...

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