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Table 5-1. Hayes Compatible Commands (continued)
Command
Z0
Z1
, (comma)
; (semicolon)
@
! (exclamation)
&C
&C0
&C1
&C2
&D
&D0
&D1
&D2
&D3
&F
&G
&G0
&G1
&G2
&J
CHAPTER 5: Hayes Emulation Mode
Function/Explanation
Resets modem and recalls stored user profile 0.
Resets modem and recalls stored user profile 1.
PAUSE. No parameters, but default pause time
(in register S8) is 2 seconds.
FORCED COMMAND STATE. No parameters.
WAIT FOR SILENCE BEFORE DIALING. No
parameters, but default wait time (register S7) is
30 seconds.
INITIATE FLASH HOOK. No parameters.
DATA CARRIER DETECT CONTROL*
DCD always ON when DTR is present.
DCD ON only in the presence of suitable data.
DCD ON when DTR is present; then toggles off
for 500 ms upon disconnect.
DATA TERMINAL READY CONTROL*
Ignore DTR.
Go on-hook, assume command state and
disable auto-answer upon DTR loss.
Disconnect upon DTR loss.
Reinitialize upon DTR loss.
RECALL FACTORY CONFIGURATION
No parameters.
GUARD TONE CONTROL*
Guard tone disabled.
Enables 550-Hz guard tone.
Enables 1800-Hz guard tone.
Modem displays OK result code; command has
no other effect. (The modem is configured for
A/A1 control or MI/MIC control via jumpers JP2
and JP3, as detailed in Appendix C.)
115
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