Boca Pro16 Series - S 12 - Escape Sequence Guard Time

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BOCA PRO16 Reference Guide

S REGISTER MEANING

12 Escape Sequence Guard Time

The Escape Sequence Guard Time is the time delay required immedi-

ately before and after entering an escape sequence.

For your modem to distinguish the escape sequence from ordinary data,

there must be a period of silence both before and after the escape

sequence is entered.

If the Escape Sequence Guard Time is one second and the escape

sequence character has been defined as +, for the modem to recognize an

escape sequence you must maintain silence on the line for one second,

then type +++ in rapid succession, and then maintain another second’s

silence.

The guard time is in units of 20 milliseconds (or 1/50 of a second).

FS Register 12 is also used to time the period between the escape

sequence characters as they are typed. If the period between the first

and second escape characters or second and third escape characters

being entered is greater than the value in S Register 12, the modem will

not recognize the escape sequence.

Examples

ATS12=100 Maintain silence on the line for 2 seconds before and after

entering the escape sequence

Default 50