HP ProCurve 2810 Series Management And Configuration Manual page 127

Interface Access and System Information
Interface Access: Console/Serial Link, Web, and Telnet
When invoked in a console session, changes the terminal mode to
"raw" (scripting mode) for that console session. (Scripting mode
eliminates unwanted control characters that may appear in some
scripting languages.) Use this option when the configured
terminal mode is either vt100 or ansi, and you want to temporarily
use the scripting mode.
ansi
When invoked in a console session, changes the terminal mode to
ANSI for that console session. Use this option when the configured
terminal mode is either vt100 (scripting mode) or none, and you
want to temporarily use the ANSI mode.
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