SF Series
12
4 GETTING STARTED
4.1 Button Operation
(+) Button
• Increase volume
• Track forward
• Scan FM radio station
• Speed dial
Center Button
• Answer and end a mobile phone call
• Reject an incoming mobile phone call
• Start and end intercom conversation
• Play and pause Bluetooth stereo device
• Enter into intercom pairing mode
• Enter into voice configuration setting
(-) Button
• Decrease volume
• Track back
• Turn on/off FM tuner
4.2 Powering On and Off
To power on the headset, press the Center Button and the (+) Button
at the same time for 1 second while hearing ascending beeps and a
voice prompt, “Hello.” To power off the headset, tap the Center Button
and the (+) Button at the same time while hearing descending beeps
and a voice prompt, “Goodbye.”
4.3 Charging
You can charge the headset by connecting the USB Power & Data
Cable (USB-C).
The headset will be fully charged in about 1.5 hours. (The charging
time may vary depending on the charging method.)
• Any 3rd party USB charger can be used with Sena products if the
charger is approved by either the FCC, CE, IC, or other locally
approved agencies.
• Use of a non-approved charger may cause re, explosion, leakage,
and other hazards which may also reduce the life time or performance
of the battery.
• The headset is compatible with 5 V input USB-charged devices only.
or
AC Adapter