Sony Ericsson GM28, Integrator'S Manual

Page: 105 / 268

4. AUDIO
105
LZT 123 7468 R1A
4.8 AT*EMIR Ericsson Music Mute Indication Request
Included for compatibility. No functionality.
4.9 AT*EXVC Ericsson SET External Volume Control
Used to set or query whether an external accessory such as the vehicle
handsfree controls the audio volume.
By default, the <external volume> is turned off, i.e. the volume over
AFMS is controlled by the phone MMI.
Description Command Possible Responses
Request for mute
indications
AT*EMIR=<mode> • OK
• ERROR
Show supported
message types along
with the current service
setting
AT*EMIR? *EMIR: <mode>,<resp>
Show list of supported
services
AT*EMIR=? *EMIR: (list of supported
<mode>s)
<mode> Description
0 Off, music mute indication result codes will not be sent to
the accessory
1 On, music mute indication result codes will be sent to the
accessory
<resp> Description
0 Music mute inactive
1 Music mute active
Description Command Possible Responses
Sets the maximum
volume level on the
audio lines
AT*EXVC=<external
volume>
• +CME ERROR: <err>
• OK
• ERROR
Test if the command is
supported and show
the possible report
settings
AT*EXVC=? • *EXVC: (list of
supported <external
volume>s)
• +CME ERROR: <err>
• OK
• ERROR
Read the current
setting
AT*EXVC? • *EXVC: <external
volume>
• +CME ERROR: <err>
• OK
• ERROR