Sena SF Series - Region Selection; Function Priority

SF Series
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12.7 Region Selection
You can select the proper FM frequency region from the Sena Device
Manager. With the region setting, you may optimize the seek function
to avoid unnecessary frequency ranges (factory default: worldwide).
Region Frequency Range Step
Worldwide 76.0 ~ 108.0 MHz ± 100 kHz
Americas 87.5 ~ 107.9 MHz ± 200 kHz
Asia 87.5 ~ 108.0 MHz ± 100 kHz
Australia 87.5 ~ 107.9 MHz ± 200 kHz
Europe 87.5 ~ 108.0 MHz ± 100 kHz
Japan 76.0 ~ 95.0 MHz ± 100 kHz
13 FUNCTION PRIORITY
The SF Series operate in the following order of priority:
(highest) Mobile phone
Intercom/FM sharing
Music sharing by Bluetooth stereo music
Bluetooth stereo music
(lowest) FM Radio*
*Only available in SF2 and SF4
A lower priority function is always interrupted by a higher priority
function. For example, stereo music is interrupted by an intercom call,
and an intercom conversation is interrupted by an incoming mobile
phone call.