Sena SFR - Volume Adjustment; Muting the Microphone; Sena Softwares

SFR
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3.4.2 Voice Prompt Indicator
When you power on the headset, keep pressing the Center Button and
the (+) Button simultaneously for about 5 seconds until you hear high
tone triple beeps. Then you will hear a voice prompt indicating the
battery level is high, medium, or low.
3.5 Volume Adjustment
You can raise or lower the volume by tapping the (+) Button or the (-)
Button. Volume is set and maintained independently at different levels
for each audio source, even when the headset is rebooted.
3.6 Muting the Microphone
To mute or unmute the microphone, press and hold the Center Button
and the (-) Button for 1 second. When the microphone is muted, you
will hear descending beeps every 10 seconds. When you unmute the
microphone, you will hear ascending beeps and the microphone will
be active.
3.7 Sena Softwares
3.7.1 Sena Device Manager
You can upgrade the headset’s rmware and congure its settings
directly from your PC or Apple computer. Download the Sena Device
Manager, please visit sena.com.
3.7.2 Sena Smartphone App
You can congure its settings directly from your smartphone. Download
the Sena Smartphone App for Android or Apple operating systems
from sena.com.