Windows Marketplace V.90 - Manual (Page 37)

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&D3: Monitor DTR signal when an on-to-off transition occurs, the modem per-
forms a soft reset as if the ATZ command was received.
Result Codes:
OK n = 0, 1, 2, 3
ERROR Otherwise
&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.
&F0: Recall factory setting as active configuration. (default)
&Gn V.22bis Guard Tone Control
This command determines which guard tone, if any, to transmit while transmit-
ting in the high band (answer mode). This command is only used in V.22 and
V.22bis mode. This option is not used in North America and is for international
use only.
&G0: Guard tone disabled (default).
&G1: Sets guard tone to 550 Hz.
&G2: Sets guard tone to 1800 Hz.
Result Codes:
OK n = 0, 1, 2
ERROR Otherwise
&Jn Auxiliary Relay option
&J0: The auxiliary relay is never closed.
&J1: NOT SUPPORTED, responds ERROR.
Result Codes:
OK n = 0
ERROR Otherwise