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Read these instructions. Guard this manual. Obey all alerts. Follow all instructions. 5. WARNING: To prevent fire or shock hazard, do not expose this equipment to rain or moisture. Do not store and operate this product near liquid. 6. Clean only with dry cloth. 7.
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REAR PANEL 1. Previous Track Button: When in USB/SD/Bluetooth mode, press this button to skip to the previous track. Press and hold it to decrease the volume for USB/ SD/Bluetooth.When in FM mode, press this button to tune to the previous station. Hold it down to reduce the volume for FM.
REMOTE CONTROL 1. POWER: Press this button to turn the unit ON or OFF. 2. MUTE: Press this button to mute. P OWE R INP UT 3. INPUT: Press this button to toggle between the various inputs for LINE AUX USB, SD, FM, Bluetooth. 4.
DIGITAL DISPLAY INPUT MODES: The LED screen will show status information for the USB/SD/LINE(AUX)/FM/Bluetooth input modes. 1. When a USB flash drive/SD card is loaded, the unit will detect it and automatically switch to USB/SD mode and begin playing digital audio files from the USB/SD card.
“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.
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