Sena +MESH - Powering On and Off; Charging; Checking the Battery Level

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BASIC OPERATION
2.1.3 Sena Device Manager
The Sena Device Manager allows you to upgrade the
firmware from your PC or Apple computer. Download the
Sena Device Manager from sena.com.
2.2 Powering On and Off
To power on the +Mesh, press and hold the
Multi-function Button for 1 second.
To power off the +Mesh, press and hold the
Multi-function Button for 1 second.
2.3 Charging
The +Mesh can be charged using many common methods
via the supplied USB power & data cable. The LED turns
red while the headset is charging and turns blue when it is
fully charged. Depending upon the charging method, the
headset will be fully charged in about 2 hours.
2.4 Checking the Battery Level
When the +Mesh is powering on, the red LED flashes
rapidly indicating the battery level.
4 flashes = High, 70~100%
3 flashes = Medium, 30~70%
2 flashes = Low, 0~30%