Technical Reference
S-Registers
To change a setting, use the ATSr=n command, where r is the register and n is a decimal value from 0 − 255 (unless otherwise indicated).
Register Default Function
S0 | 0 | Sets the number of rings on which to answer in Auto |
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| Answer mode. When set to 0, Auto Answer is disabled. |
S1 | 0 | Counts and stores the number of rings from an incoming |
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| call. (S0 must be greater than 0.) |
S2 | 43 | Stores the ASCII decimal code for the escape code |
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| character. Default character is +. A value of 128 |
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| disables the escape code. |
S3 | 13 | Stores the ASCII code for the Carriage Return character. |
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| Valid range is 0 – 127. |
S4 | 10 | Stores the ASCII decimal code for the Line Feed character. |
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| Valid range is 0 – 127. |
S5 | 8 | Stores the ASCII decimal code for the Backspace |
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| character. A value of 128−255 disables the Backspace |
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| key’s delete function. |
S6 | 2 | Sets the number of seconds the modem waits before |
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| dialing. If Xn is set to X2 or X4, this is the |
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| there is not a dial tone. |
S7 | 60 | Sets the number of seconds the modem waits for a |
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| carrier. May be set for much longer duration if, for |
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| example, the modem is originating an international |
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| connection. |
S8 | 2 | Sets the duration, in seconds, for the pause (,) option in |
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| the Dial command. |
S9 | 6 | Sets the required duration, in tenths of a second, of the |
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| remote modem’s carrier signal before recognition by the |
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| U.S. Robotics modem. |
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