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Product overview of the headsets
10 | SD Series - User Guide
O
verview of the LEDs of the headset
Headset LED Meaning
lights up blue Headset is being charged in the base
station
flashes blue slowly Active link to base station
flashes 3 times red
repeatedly
Rechargeable battery is almost flat
is off Standby mode or headset is switched off
Headset’s rechargeable battery is fully
charged
flashes blue/red Special pairing mode/direction of the
volume up/down function of the
Audio button is being changed
Pairing of an additional headset with the
base station/conference call
SD Office – HS SD Pro1/Pro2 – HS