Modem Command Guidelines

Setting the Result Code Format

A result code is the response of the modem to a command. It may be issued in either of two formats: words (the long form, also known as verbose) or numeric characters (the short form, represented by digits).

The result code format is set using the Vn command:

Use V1 for words (default).

Use V0 for numeric characters.

Setting Local Character Echo

Local echo is a process that transmits received data back to the sending station and allows you to see what data was received. If your typing is not displayed on the screen, local echo is turned off.

Local echo preferences are set using the En command:

Use EO for no local echo.

Use E1 to enable local echo.

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Modem Command Guidelines