VT510 Video Terminal Programmer Information

DECNCSM—Set/Reset No Clearing Screen On Column Change

Set/reset the following condition: do not clear the screen whenever the column mode changes.

Format

CSI
9/11
?
3/15
9
3/9
5
3/5
h
6/8
Set: do not clear screen when column mode changes.
CSI
9/11
?
3/15
9
3/9
5
3/5
l
6/12
Reset: clear the screen when column mode changes.

Description

When enabled, a column mode change (either through Set-Up or by the escape sequence DECCOLM) does not clear the screen. When disabled, the column mode change clears the screen as a side effect.

This sequence does not affect the column mode change caused by the sequence, DECSCPP.