Sena Bluetooth SR10 v1.2 User's Guide - Manual (Page 17)

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detector alarm or mobile phone ringtone. If there is no incoming
sound from the wired devices for a certain period of time, the SR10
disconnects itself from the Bluetooth headset.
Even if there is no incoming sound from the wired devices, users
can also connect the SR10 manually to the Bluetooth headset by
double tapping the PTT Button. Users can also double tap the
PTT Button while the SR10 is already connected to the Bluetooth
headset to prevent it from disconnecting itself automatically. To
disconnect the SR10 from the Bluetooth headset in this case, the
user needs to double tap the PTT Button again.
When users need to keep the audio channel to be closed for a
certain time, they can triple tap the PTT Button to disconnect the
SR10 to the Bluetooth headset for 3 minutes. Locking the audio
channel is maintained during the time even if there is an incoming
sound from the wired devices. But the locking becomes released
when users double tap the PTT on the SR10 or wait for 3 minutes.
Action Current Condition Result
Double Tapping the PTT
Button
If audio channel is not open Audio channel will be open
until manually closed
If audio channel is already
open by incoming audio
Keeping audio channel
open until manually closed
If audio channel is already
open by PTT double
tapping
Close audio channel
Triple Tapping the PTT
Button
When users need to keep
the audio channel closed
for a certain time
Disconnect the SR10 from
the Bluetooth headset for
3 minutes