VT510 Video Terminal Programmer Information

DECSCL—Select Conformance Level

You select the terminal's operating level by using the following select conformance level (DECSCL) control sequences. The factory default is level 4 (VT Level 4 mode, 7-bit controls).

Note

When you change the conformance level, the terminal performs a hard reset (RIS).

Format

Sequence Level Selected
Level 1
CSI
9/11
6
3/6
1
3/1
"
2/2
p
7/0
VT100 mode
Level 4†
CSI
9/11
6
3/6
n
3/n
"
2/2
p
7/0
VT Level 4 mode, 8-bit controls
CSI
9/11
6
3/6
n
3/n
;
3/11
0
3/0
"
2/2
p
7/0
VT Level 4 mode, 8-bit controls
CSI
9/11
6
3/6
n
3/n
;
3/11
1
3/1
"
2/2
p
7/0
VT Level 4 mode, 7-bit controls
CSI
9/11
6
3/6
n
3/n
;
3/11
2
3/2
"
2/2
p
7/0
VT Level 4 mode, 8-bit controls
†Level 4 includes levels 2 and 3. In these sequences, n can be 2, 3, or 4