Actiontec electronic 56K V.90 manual DTR Control, Load Factory Settings, 22bis Guard Tone Control

&Dn DTR Control

This command interprets how the modem responds to the state of the DTR signal and changes to the DTR signal.

	Command			Effect
				Ignore. The modem ignores the true status of DTR and
	&D0			treats it as always on. This should only be used if your
				computer does not provide DTR to the modem.
				If the DTR signal is not detected while in on-line data
	&D1			mode, the modem enters command mode, issues OK
				result code, and remains connected.
				If the DTR signal is not detected while in on-line data
	&D2			mode, the modem disconnects (default). If this signal is
				not present, the modem will not answer or dial.
				Monitor DTR signal when an on-to-off transition occurs,
	&D3			the modem performs 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 ac- tive configuration with factory values.

	Command		Effect
	&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 transmitting 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.

Command	Effect
&G0	Guard tone disabled (default).
&G1	Sets guard tone to 550 Hz.
&G2	Sets guard tone to 1800 Hz.

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