Acer extensa-7x0
MTC Data/FAX
Advanced Data Addendum
AT Command Set
December 4, 1996
Lucent Technologies Inc.
16
AT Commands For Testing and Debugging
The following commands are to be used for testing and debugging only and are not meant for general use.
&&C
Write to/Read from DSP Register
AT&&C<loc>,<val> writes the value <val> to DSP register at location <loc>.
AT&&C<loc> reads from location <loc>.
AT&&C<loc> reads from location <loc>.
&&L
Line-to-Line Loopback
This command provides a loopback for line-to-line.
&&R
Write to/Read from DSP RAM Location
AT&&R<loc>,<val> writes the value <val> to DSP RAM location <loc>.
AT&&R<loc> reads from location <loc>.
AT&&R<loc> reads from location <loc>.
&&S
Speaker Codec Loopback
This command provides a loopback from the microphone to the speaker.
The following command is for testing purposes only.
&Fn
Load Factory Settings
This command loads the configuration stored and programmed at the factory. This operation replaces all of the
command options and the S-register settings in the active configuration with factory values.
command options and the S-register settings in the active configuration with factory values.
&F5:
Recall factory settings appropriate for ETC mode as active configuration.