Tufftalk M
10
or
AC Adapter
Note:
• Any 3rd party USB charger can be used with Sena products if the
charger is approved by either the FCC, CE or IC.
• The headset is compatible with 5 V/1 A input USB-charged devices only.
3.6 Checking the Battery Level
When the headset is powering on, the red LED ashes rapidly
indicating the battery level.
4 ashes = High, 70 ~ 100%
3 ashes = Medium, 30 ~ 70%
2 ashes = Low, 0 ~ 30%
3.7 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.
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