Sena SF4 User Manual

SF Series
50
16 FIRMWARE UPGRADE
The SF Series support rmware upgrades. You can update the
rmware using the Sena Device Manager (please refer to section
4.7.1, “Sena Device Manager” ). Please visit Sena Bluetooth website at
www.sena.com to check the latest software downloads.
17 TROUBLESHOOTING
17.1 Fault Reset
When the SF Series are not working properly or is in faulty status for
any reason, you may reset by gently pushing the pin-hole reset button
on the back of the main unit. Insert a paper clip into the reset pin-hole
and press the reset button for a second with light pressure. The SF
Series will be switched off. Restart the system and try again. This will
not restore the headset to factory default settings.
17.2 Factory Reset
If you want to restore the headset to factory default settings, use the
Factory Reset in the conguration menu. The headset automatically
restores the default settings and turns off. Please refer to section 14.9,
“Factory Reset” for more details.

Sena SF4 Specifications

General

FM radio	Yes
Sample rate	48 kHz
Maximum range	1200 m
Bluetooth version	4.1
Channels quantity	4 channels
Bluetooth profiles	A2DP, AVRCP, HFP, HSP
Preset stations quantity	10
Operating temperature (T-T)	-10 - 55 °C
Certification	CE, FCC, IC
Product color	Black, Grey
Charging time	1.5 h
Quantity	1
Cables included	AC, USB

Weight and Dimensions

Depth	16.6 mm
Width	73.3 mm
Height	38.7 mm
Weight	35 g