HJC Smart 20B User Manual page 9

2.2.1 Preparing the helmet for installation
1. Loosen the two short screws on the cover of the helmet with the
included allen wrench.
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2. Detach the snap fasteners of the cheek pad and remove the
cheek pad from the helmet.
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2.2.2 Installing the headset
1. Align the arrows on the microphone cable and insert the
microphone cable into the microphone connector.
2. Tighten the two long screws until the Bluetooth module is fastened
firmly to the helmet.
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SMART HJC 20B
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