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Command Function
&D_
&D0 Modem ignores the DTR signal
&D1
Modem returns to Command Mode after DTR toggle
&D2
Modem hangs up, returns to the Command Mode after
DTR toggle
&D3
Resets modem after DTR toggle
&F_
&F
Recall factory default conguration
&G_ &G0 Guard tone disabled
&G1 Guard tone disabled
&G2
1800 Hz guard tone
&K_
&K0
Disable ow control
&K3
Enable RTS/CTS hardware ow control
&K4
Enable XON/XOFF software ow control
&K5
Enable transparent XON/XOFF ow control
&K6
Enable both RTS/CTS and XON/XOFF ow control
&M_ &M0
Asynchronous operation
&P_ &P0
US setting for off-hook-to-on-hook ratio
&P1
UK and Hong Kong off-hook-to-on-hook ratio
&P2
Same as &P0 setting but at 20 pulses per minute
&P3
Same as &P1 setting but at 20 pulses per minute
&R_
&R0 Reserved
&R1
CTS operates per ow control requirements
&S_ &S0 Force DSR Signal High (ON)
&S1 DSR off in command mode, on in online mode
&T_
&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
&V0
Displays Active and Stored Proles
&V1
Display Last Connection Statistics
&W_
&W0
Stores the active prole as Prole 0
&W1
Stores the active prole as Prole 1
%E_ %E0
Disable auto-retrain
%E1
Enable auto-retrain
+MS? Displays the current Select Modulation settings
Appendix A. Manual modem commands 45