User Manual

Appendix C Hayes AT Command Reference
RFI-9256 Radio Modem User Manual Page 89 of 96
DP
H
H0
Hang-up the radio.

O
O0
Go online.

Table 36: 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.