local echo

local echo

(communications)
(Obsolete: "half-duplex") A mode of operation of a communications program or device in which it displays the characters the user enters at the same time as it sends them to the remote system.

In communications between computers or computing processes, particularly those involving human keyboarding and/or reading, duplex came to mean the re-transmission of a keyboard character to the output display.

Early input device such as the Teletype ASR-33 teleprinter, being descended from the electric typewriter, printed all input characters as they were typed (i.e. they did local echo). Local echo was typically optional on the video terminals that replaced them, and usually disabled in favour of remote echo. A disadvantage of local echo is that it will continue, even when the communication circuit has failed, which can be misleading.

local echo

In communications, to display on screen what is being transmitted.
References in periodicals archive ?
"However, I soon learned to love Miss Camp and, many years later, saw her obituary in the local Echo which reminded me of my first day at school.
The Local Echo Society provides education and networking opportunities to the Greater Houston area.
It goes without saying an even bigger thank you to our local ECHO newspaper who stood always in defence of our fans and the great name of our city.
The seismic shift in world politics of last week's US presidential election had a more local echo in the UK.
(23) The famous Calgary Stampede was first organized in 1912 as an elite-led celebration of a fast-receding (if not entirely mythical) frontier past, when "social equality and economic opportunity [rode] spiritedly across the prairies." (3) Its permanence significantly dates to 1919, when civic leaders faced the local echo of the Winnipeg General Strike.
Local Echo: Lets you know that all the data you are sending is appearing on the screen of the sending computer.
"Before I launched into the big blue I always like to see what's going on in South Wales by reading my local Echo," he said.
Now that the decision of the non-statutory public enquiry has been handed down, we of the White Farm Anti-Development Campaign would like to thank all who gave their support to us during the campaign, particularly Peter Collins, our local Echo reporter, who has reported on our cause in a fair and honest manner for the duration of our fight to save this precious green area of Barry.

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