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Chapter 4 - AT Commands, S-Registers and Result Codes
S3
Return Character
Unit:
ASCII Character
Range:
0-127
Default:
13
Description: Defines the character recognized as Carriage Return (RE-
TURN) or “Enter”.
S4
Line Feed Character
Unit:
ASCII Character
Range:
0-127
Default:
10
Description: Defines the character recognized as LINE FEED.
S5
Backspace Character
Unit:
ASCII Character
Range:
0-127
Default:
8
Description: Defines the character recognized as BACKSPACE.
S6
Wait Time for Dial Tone
Unit:
1 second
Range:
2-255, 4-255**
Default:
2, 4**
Description: Sets the time the modem waits after the RETURN key is pressed
before executing a dial command.
S7
Time for Carrier (Abort Timer)
Unit:
1 second
Range:
1-255, 1-45*
Default:
45
Description: Defines the Abort Timer (lack of carrier) delay time.
* Value for International and DOC units
** Value for International Units only