Sena SRL2 Guia Del Usuario página 248

SRL2
3. While pushing the tab, insert the service tool into the groove and
push to remove the cover.
4. Repeat the process on the other side to remove the left cover.
5. Push the tab on the rear cover and remove the rear cover with
your thumbs.
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6. Detach the snap fasteners of the internal paddings and remove
the paddings from the helmet.
2.1.2 Installing the headset
1. Align the arrows on the right side speaker unit with the microphone
cable and insert the microphone cable into the microphone
connector.