Controlling Local Echo 3-3
Controlling Local Echo There are two local echo settings, one for Command Mode and one for
Online Mode.
Command-Mode
Local Echo You can configure your modem to display the commands you type on
screen by using the ATEn command
.
Although you cannot see the command when you set ATE0, the modem
is receiving them.
Online-Mode Local
Echo To configure your modem to display a copy of dat a that is being
transmitted on your screen you can use the ATFn command.
Example: Sending ATF0 will allow you to see what you are typing in the
display window.
You may see the term duplex used in place of online local echoing,
although the term is not technically accurate.
If you want the commands you type to Command
NOT appear on screen (Command Mode echo OFF) ATE0
Appear on your screen (Command Mode echo ON) ATE1
As the modem transmits data to a remote system Command
The modem sends a copy of the data to the screen. Online
local echo ON (“half duplex”). ATF0
No copy of the data is displayed on screen. Online echo OFF
(“full duplex”). ATF1 (default)