I0
Display product code <197> "1496" for U-1496 series modems. Same as ATI.
I1
Display ROM checksum and product information.
I2
Display link diagnostic status report.
L0-7
Speaker volume control. The higher the value, the higher the volume (Default is
L4).
M0
Speaker always OFF.
+
M1
Speaker ON until carrier detected (Default).
M2
Speaker always ON.
M3
Speaker ON after last digit is dialed out and OFF when carrier is detected. Tone
dialing is not heard.
N0-7
Ring volume control. When a call comes in, speaker will ring to indicate an
incoming call. N0 will disable the ring function (Default is N5).
O
Return to on-line state.
P
Pulse dial.
+
Q0
Modem returns result code (Default).
Q1
Modem does not return result code.
Q2
Modem returns result code but quiet after answering on a RING. (See also
S42b2).
Sr=n
Set S-Register `r' to value `n', n must be a decimal number between 0-255.
Sr?
Display value stored in S-Register `r'.
Sr.b=n Set bit 'b' of S-Regis 'r' to value n (0 or 1).
Sr.b?
Display value of bit 'b' of S-Register 'r'.
+
T
Tone dial (Default).
V0
Display result code in numeric form. (See also S35b7 and the result code table
of ATXn.)
+
V1
Display result code in verbose form (Default).
Xn
Result code and call progress monitor options (Default is X5).
ATV0
ATV1
Result codes.
X0
X1
X2
X3
X4
X5
X6
X7
0
OK
0
0
0
0
0
0
0
0
1
CONNECT
0
0
0
0
0
+
+
+
2
RING** 0
0
0
0
0
0
0
0
3
NO CARRIER 0
0
0
0
0
0
0
0
4
ERROR
0
0
0
0
0
0
0
0
5
CONNECT 1200
0
0
0
0
+
+
+
6
NO DIAL TONE
0
0
0
0
0
7
BUSY
0
0
0
0
0
8
NO ANSWER
0
0
0
0
0
9
RINGING***
0
0
0
0
0
10
CONNECT 2400
0
0
0
0
+
+
+
11
CONNECT 4800
0
0
0
0
+
+