NPP-3443 JHDBTC1
Operation
Basic Operation
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Power button (POWER): short press for power on / off. Long press in
the off state to respond to a short press. In the on state, long press is the
software version display.
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BT device selection key. Short press for BT device pairing status, long
press for paired BT device selection.
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Volume key (VOL-): Short press to adjust volume decrease. Long
press to decrease volume continuously.
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Volume key (VOL +): Press briefly to increase the volume. Long
press continuously to increase volume.
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UP button: When playing music, short press to play the previous
song, long press to fast backward (FAST BACK).
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DOWN button: short press to play the next song while playing music,
long press to fast forward (FAST FORWARD).
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Play / Pause key: Short press during playback to enter pause, short
