Guard tone disabled, Asynchronous operation, Reset

	with &D0)
&F4	Same as &F2 except for Macintosh computers (&F2
	with &D0)
&F5	Same as &F except V.42bis and flow control are
	disabled
&G0	Guard tone disabled
&G1	550 Hz guard tone
&G2	1800 Hz guard tone
&H	Display help screen
&L0	Modem is set up for dial-up line operation
&L1	Modem is set up for leased-line operation
&L2	Modem is set up for Auto-connect leased-line operation
&M0	Asynchronous operation
&O0	Disable originate-only mode
&P0	US setting for off-hook-to-on-hook ratio
&P1	UK and Hong Kong off-hook-to-on-hook ratio
&S0	Force DSR Signal High (ON)
&S1	DSR off in command mode, on in on-line mode
&T0	Ends test in progress
&T1	Perform Local Analog Loopback Test
&T3	Perform Local Digital Loopback Test
&T4	Grant Remote Digital Loopback Test request by
	remote modem
&T5	Deny Remote Digital Loopback Test request
&T6	Perform a Remote Digital Loopback Test
&T7	Perform a Remote Digital Loopback Test and Self-
	Test
&T8	Perform Local Analog Loopback Test and Self-Test
&V	Displays Active and Stored Profiles
&W0	Stores the active profile as Profile 0
&W1	Stores the active profile as Profile 1
&Y0	Configuration Profile 0 active upon Power on or
	reset
&Y1	Configuration Profile 1 active upon Power on or reset
&Zn=x	Store phone number x into non-volatile RAM(n=0-3)
%D0	Disable Clear-down signal
%D1	Enable Clear-down signal
%E0	Disable auto-retrain
%E1	Enable auto-retrain

Guard tone disabled