CSR v3.2 Manuel D’Utilisation
Operation
blab-ug-005Pa
© Cambridge Silicon Radio Limited 2005
This material is subject to CSR’s non-disclosure agreement.
Page 20 of 24
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Combined A
V Headset U
ser Guide
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7.3.3
HSP + AV
Table 7.3 shows how the buttons operate while the headset is in HSP Mode. It shows how the buttons operate
depending upon the state of the headset.
depending upon the state of the headset.
Table entries in italic describe the button functionality assuming an active AV stream.
Button/state
Init
Ready
Connecting
Connected
Incoming
Call
Active
Call
Outgoing
Call
If there is no AV source connected replace avrcp calls with the non-italic calls
PLAY/PAUSE
Short Press
Short Press
Play/Pause
X
Play/Pause
X
Play/Pause
X
Play/Pause
X
Button
press
Button
press
Button
press
PLAY/PAUSE
Long Press
Long Press
X
Button
press
X
Button
press
Button
press
Button
press
Button
press
STOP Short
Press
Press
Stop
X
Stop
X
Stop
X
Stop
X
X End
Call X
STOP Long
Press
Press
X X X X X X X
Vol+ Short
Press
Press
Volume up
X
Volume up
X
Volume up
X
Volume up
X
X
Volume
up
Volume up
Vol+ Held
(Acted on
every 1s)
(Acted on
every 1s)
Volume up
X
Volume up
X
Volume up
X
Volume up
X
X
Volume
up
Volume up
Vol- Short
Press
Press
Volume
down
X
Volume
down
X
Volume
down
X
Volume
down
X
X
Volume
down
Volume
down
Vol- Held
(Acted on
every 1s)
(Acted on
every 1s)
Volume
down
X
Volume
down
X
Volume
down
X
Volume
down
X
X
Volume
down
Volume
down
Forward
(Long/Short)
Press
(Long/Short)
Press
Forward
X
Forward
X
Forward
X
Forward
X
X X X
Backward
(Long/Short)
Press
(Long/Short)
Press
Backward
X
Backward
X
Backward
X
Backward
X
X
x
CVC
Mode*
X
Table 7.3: Button Functionality in HSP Mode
CVC Mode*
If CVC is compiled in the application, with each short button press the software toggles between
HF, NR and PSTHRGH modes. This button is only operational if a connection exists and the
device is not muted. When operational and the Backward button is pressed, the next mode will
be selected and a tone will be played to the loudspeaker. The tone will identify the currently
operating mode. The following indicates the tone mapping.
HF, NR and PSTHRGH modes. This button is only operational if a connection exists and the
device is not muted. When operational and the Backward button is pressed, the next mode will
be selected and a tone will be played to the loudspeaker. The tone will identify the currently
operating mode. The following indicates the tone mapping.
1 Beep, HF mode:
Hands-Free is the combination of an AEC (Acoustic Echo Canceller with
microphone Noise Reduction). Default mode for CVC.
microphone Noise Reduction). Default mode for CVC.
2 Beeps, NR mode:
Noise Reduction to the microphone send-out signal.
3 Beeps, PSTHRGH mode: Pass through mode where the audio is routed through the Kalimba, disabling
Hands-free, effectively bypassing any audio processing.