Sena X1S Quick Start Manual page 14

QUICK START GUIDE
Pairing When the X1S is Turned On
Press and hold the Center Button for 10 seconds when
the X1S is turned on.
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Alternating blue and red flashing lights indicate the
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device is now discoverable. With your mobile phone
in Bluetooth-pairing mode, select Sena X1S in the list
LED
of devices detected.
STATUS
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PIN
NUMBER
HOLD
10s
TAP
1x