Sena SFR User Manual page 29

Motorcycle bluetooth communication system
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13.2.15 Audio Overlay™ (Default: Disable)
Audio Overlay allows you to hear the audio from two features
simultaneously. When Audio Overlay is enabled, phone calls, GPS
instructions and intercom conversations can be overlaid with audio
from the FM radio, music or GPS app instructions from a smartphone
in the background with reduced volume. Increasing or decreasing the
volume of the audio in the foreground will also increase or decrease
the volume of the overlaid audio in the background. The volume of the
foreground audio can be adjusted using the headset. How much
background audio that is heard can be adjusted using the Sena
Smartphone App. HD Intercom and Audio Source Priority become
disabled temporarily when Audio Overlay is enabled.
Foreground*
Model
Phone
GPS
A
A
O
O
O
SFR
C
O
Foreground and Background Combination Table
Background**
Music or
Intercom FM Radio
Smart Navi
O
B
O
O
O
C
O
O
* Two audio sources in the foreground can be heard simultaneously with the
same volume level.
** Only one background source can be heard at a time while listening to an
audio source in the foreground.
A. GPS instructions can be heard during phone calls and the volume level of
both audio sources can be adjusted using the headset.
B. GPS app directions will be heard in the background during intercom
conversations.
C. The FM radio will be heard in the background when GPS instructions are
heard.
Note:
1. Audio Overlay will be activated during two-way intercom conversations
with a headset that also supports this feature.
2. When Audio Overlay is disabled, the background audio source will return
to its independent volume level.
3. Audio Overlay has limited usage for iOS devices.
4. For Audio Overlay to work properly, you need to power the headset off
and on. Please restart the headset.
5. Some GPS devices may not support this feature.
B
SFR
29

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