Epson ESC/VP21 User Manual page 81

B - Quick Reference
Basic Data Modem 'AT' Commands
Command Default
none
A/ **
A none
1
Bn *
1
Cn
D none
1
En *
Fn 1
0
Hn
0
In
none
Kn
2
Ln *
Mn * 1
1
Nn *
0
On
P * none
0
Qn *
Sn none
Sn=x none
Sn?
none
?
none
T * none
B - QUICK REFERENCE
Function
Repeat last command
Answer
Select CCITT or Bell
Carrier control option
Dial command
Command echo
On-line echo
Switch hook control
Identification/checksum
SRAM buffer control
Speaker volumn control
Speaker control
Connection data rate control
Go on line
Select pulse dialing
Result code display control
Select an S-register
Write to an S-register
Read from an S-register
Read last accessed S-register
Select DTMF dialing
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