User manual

CHAPTER 5 : INSTRUCTION SETS
CHAPTER 5 : INSTRUCTION SETS
5.1 AT Command Set
Table 5-1: AT Command Set
Cmd Function Description
A/ repeat the last AT command
ATA answer command
ATD dial command
ATEn echo on/off
0 : echo off
1 : echo on
ATHn hang on/off
0 : on hook
1 : off hook
ATIn modem identification command
0 : report product code
1 : ROM checksum
2 : verify ROM checksum
3 : Report ROM components
4 : modem capabilities and version
5 : Country Code
6 : pump controller : CS
7 : pump-DSP : CS
8 : CTL/ SPX Version
9 : OK
ATLn speak volume control
0 : Low
1 : Medium
2 : High
ATMn speak control
0 : off
1 : untill DCD on
2 : Always
3 : off when dial
ATOn go online
0 : go back to data mode
1 : rate change
2 : retrain
ATP enable pulse dialing
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