Sena SF4 User Manual

SF Series
37
English
11.4.2 Four-way Universal Intercom Case 2
Three SF4 headsets (A, C and D) and one non-Sena Bluetooth headset
(B). The procedure is the same as case 1 described in section 11.4.1 .
(B)
(D)
(A)
(C)
12 FM RADIO (SF2, SF4)
12.1 FM Radio On and Off
To turn on the FM radio, press the (-) Button for 1 second until you hear
a mid-toned double beep sound. You will then hear a voice prompt,
“FM on”. To turn off the FM radio, press the (-) Button for 1 second
until you hear a voice prompt, “FM off”. When you power it off, the
SF2/SF4 will remember the last station frequency. When you power it
on, the last station frequency will be playing.
12.2 Preset Stations
You can listen to preset stations while listening to the FM radio. Press
the Center Button for 1 second to go upward to your next saved preset
station.

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