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Understanding LED indicator status lights and information | S1 Pro Portable Bluetooth® speaker system
s1-pro-portable-bluetooth®-speaker-system
S1 Pro Portable Bluetooth® speaker systemSold from 2018 - 2024

Understanding LED indicator status lights and information | S1 Pro Portable Bluetooth® speaker system

S1 Pro Multi-Position PA System LED status

Power LED

There are two power LEDs: one on the front of the system and one on the back of the system next to the power switch.
OffSystem is off
BlueSystem is on
RedSystem fault

Bluetooth® LED

The Bluetooth LED is located on the Bluetooth button under Input 3 on the connection / control panel.
OffBluetooth is off
White (flashing)Pairing mode / connecting
White (solid)Connected to Bluetooth device

Signal LED

There are 3 signal LEDs: one above the volume knob for Inputs 1, 2 and 3.
OffNo or low level signal present
GreenSignal present
RedSignal clipping


Battery LED indicator

If using the optional battery accessory, the LED next to the system power switch shows the battery's charge state by flashing when powered on. To check the charge at any time, double-press the Bluetooth button in the Input 3 section.
Blue - 4 flashes75 - 100% charge
Blue - 3 flashes50 - 74% charge
Blue - 2 flashes25 - 49% charge
Blue - 1 flash10 - 24% charge
Red - 1 flashLess than 10% charge
OffNot charging or, while connected to power and turned off, fully charged
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Understanding LED indicator status lights and information | S1 Pro Portable Bluetooth® speaker system