Sena SF4 User Manual

SF Series
38
12.3 Seek and Save
“Seek” is the function that searches for station to station frequencies.
To use the “Seek” function, please follow the procedure below:
1. Double tap the (+) Button or the (-) Button to search up or down
the station dial.
2. If the tuner nds a station while searching frequencies, it stops
the seek function.
3. To save the current station, press and hold the Center Button for
3 seconds until you hear a voice prompt, “Preset (#)”.
4. Tap the (+) Button or the (-) Button in order to select which preset
number you want for that specic station. You can save up to 10
preset stations. (You may cancel the preset operation by waiting
approximately 10 seconds. You will then hear “Save preset
cancelled”. You can also tap the (+) Button or the (-) Button until
you hear “Cancel”. Tap the Center Button to conrm cancellation.
You will then hear “Save preset cancelled”.)
5. To save the current station, press the (+) Button for 1 second. You
will then hear a voice prompt, “Save preset (#)”.
6. To delete the saved station in the preset number, press the (-)
Button for 1 second. You will then hear a voice prompt, “Delete
preset (#)”.
Note:
1. You can save FM stations to presets before using FM radio. Connect the
SF2/SF4 to your PC and open the Sena Device Manager. It allows you to
save up to 10 FM station frequency presets on the SF2/SF4 settings
menu. You may do the same operation by using the Sena SF Utility App.
2. You can still answer an incoming phone call and intercom while listening
to the FM radio.
12.4 Scan and Save
“Scan” is the function that automatically searches station frequencies,
starting from the current frequency and up. To use the scan function,
please follow the procedures below:
1. Press the (+) Button for 1 second. Then the current station
frequency moves upward to nd other station frequencies.
2. If the tuner nds a station, it stays at the station frequency for 8
seconds, then scanning to the next station frequency.
3. Scan function stops when you press the (+) Button for 1 second
again.
4. To save a station while scanning frequencies, tap the Center
Button at that station. You will hear a voice prompt, “Save preset
(#)”. The station will be saved as the next preset number.
5. All stations preset during “Scan”, will overwrite previously set
stations.

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