Controlling Local Echo 3-3Controlling LocalEchoThere are two local echo settings, one for Command Mode and one forOnline Mode.Command-ModeLocal EchoYou can configure your modem to display the commands you type onscreen by using the ATEn command.Although you cannot see the command when you set ATE0, the modemis receiving them.Online-Mode LocalEchoTo configure your modem to display a copy of data that is beingtransmitted on your screen you can use the ATFn command.Example: Sending ATF0 will allow you to see what you are typing in thedisplay 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 CommandNOT appear on screen (Command Mode echo OFF) ATE0Appear on your screen (Command Mode echo ON) ATE1As the modem transmits data to a remote system CommandThe modem sends a copy of the data to the screen. Onlinelocal echo ON (“half duplex”).ATF0No copy of the data is displayed on screen. Online echo OFF(“full duplex”).ATF1 (default)
