Fujitsu FMW4503TS128A01 manual Not displays

Command			Specification			Default
N	0	When originating or answering, this is for handshake only at the
		communication standard specified by S7 and the ATB command.
	1	When originating or answering, begin the handshake only at the				3
		communication standard specified by S7 and the ATB command. During
		handshake, fallback to a lower speed may occur.
O	0	Instructs the modem to exit online command mode and return to data mode
		(see AT Escape Sequence, +++).
P		Select Pulse Dialing.
Q	0	Enables modem to send result codes to the computer.				3
	1	Disables modem from sending result codes to the computer.
T		Select Tone Dialing.
V	0	Displays results codes as digits.
	1	Displays results codes as text.				3
X		Result Code Selection and Call Progress Monitoring
		Dialing	Result Code	No Dialtone	Busy Code
	0	After S6	Displays	Not displays	Not displays
			“CONNECT”
	1	After S6	Displays	Not displays	Not displays
			“CONNECTXXX”
	2	Wait Dial Tone	Displays	Displays	Not displays
		(S6)	“CONNECTXXX”
	3	After S6	Displays	Not displays	Displays
			“CONNECTXXX”
	4	Wait Dial Tone	Displays	Displays	Displays	3
		(S6)	“CONNECTXXX”
Z		Reset and recall stored user profile.
&C	0	State of the carrier from remote modem is ignored. DCD circuit is always on.
	1	DCD turns on when the remote modem’s carrier signal is detected, and off				3
		when the carrier signal is not detected.
&D	0	Ignores status of DTR signal.
	1	Enters command state upon On-to-Off transition of DTR.
	2	Goes on hook upon On-to-Off transition of DTR.				3
	3	Goes on hook and resets upon On-to-Off transition of DTR.
&F		Recall factory setting as active configuration.
&K	0	Disable flow control.
	3	Enable RTS/CTS (hardware) flow control.				3
	4	Enable XON/XOFF flow control.

AT Commands Table 81