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ATIn
This command displays the information on ROM.
[Explanation of parameters]
I0
Displays the version of the driver.
I3
Displays the version of the driver.
ATLn
This command is used when switching the volume of the
speaker.
* This command is written in non-volatile memory by &W.
L0
Sets the volume of the speaker to low.
L1
Sets the volume of the speaker to low.
L2
Sets the volume of the speaker to middle.
L3
Sets the volume of the speaker to high.
Factory setting value: L2
ATMn
This command is used to turn on or off the speaker.
* This command is written in non-volatile memory by &W.
M0
Sets the speaker to off at all times.
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