Appendix C Hayes AT Command Reference
RFI-9256 Radio Modem User Manual
Page 100 of 109
H
H0
Hang-up the radio.
O
O0
Go online.
Table 35: Dialling Commands
Command Description
Last on
Line
&W &W1 Compat
?
Enables the menu on the current port.
E0
Echo OFF.
E1
Echo ON.
L0
Lowest speaker volume.
L1
Low speaker volume.
L2
Medium speaker volume.
L3
Highest speaker volume.
M0
Speaker off.
M1
Speaker on when connecting.
M2
Speaker on.
Q0
Responses ON.
Q1
Responses OFF.
V0
Numeric response codes.
V1
Verbal response codes.
X0
Set to basic response codes.
W0
Fast connection response.
W1
Delayed connection response.
X4
Set to extended response codes.
Z
Initialise radio (power on reset).
&A0
Auxiliary I/O Disable
&A1
Auxiliary I/O Enable
&A2
Auxiliary I/O Follow Remote
&C0
DCD always on.
&C1
DCD follow online.
&C2
DCD follows remote DTR.