Serial communication, cont’d – Extron electronic MEDIALINK MLC 52 User Manual
Page 112

Serial Communication, cont’d
MLC 52 Series MediaLink Controllers • Serial Communication
5-52
Symbol definitions
=
CR/LF (carriage return/line feed) (hex 0D 0A).
=
CR (carriage return only) (hex 0D).
•
=
Space.
Esc
=
Escape key.
X1
=
Firmware version number (X.XX format)
X2
=
Display power status (0 through 3).
0 = display power is off.
1 = display power is on.
2 = display is cooling down.
3 = display is warming up.
X3
=
On/off status.
0 = off/disabled.
1 = on/enabled.
??
=
Memory block number in hexadecimal, where
??
can be 0 to 7F (hex) (0 to 127 decimal).
Commands are not case-sensitive unless otherwise indicated.