Epson 500 Series 用户手册
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AT Command Summary
Command
Description
+++
Escape code
A /
Repeat last command string
AT
Attention
A
Answer immediate (incoming call)
B0
CCITT v.22 protocol at 1200 bps
B1
Bell 103/212A protocol at 1200 bps
D
Dial: originates a call
E0
Echo off (command mode)
E!
Echo on (command mode)
HO
On hook: hang up immediately
H !
Off hook: ready to dial
I0
Returns modem's product ID code
I1
Returns modem's ROM checksum
I2
Tests modem's internal memory
L3
Speaker volume high
M 0
Speaker always off
M1
Speaker on until carrier is detected
M2
Speaker always on
M3
Speaker on after lost digit dialed; off when carrier is detected
O0
Return on-line
O1
Return on-line and initiate equalizer retrain (2400 bps)
Q0
Result codes on
Q1
Result codes off
Sr
Sets pointer to register r
Sr?
Reads value stored in r
Sr=n
Sets register r to n
V0
Returns result codes as numbers
V1
Returns result codes as words
X0
Enables basic result codes (0-4)
X1
Enables extended result codes (0-5, 10)
X2
Enables extended result codes (0-6, 10)
X3
Enables result codes (0-5,7,10)
B - 4
Fax/Modem