MLED-CTRL Box
User manual
August 2020 - Version EN 1.1
www.fdstiming.com
6.
Display communication Protocol RS232/RS485
For basic text strings (no color control), the MLED-CTRL box is compatible with FDS and TAG
Heuer display protocol.
6.1.
Basic Format
<STX>NLXXXXXXXX<LF>
STX
= 0x02
N = line number <1..9, A..K> (total 1 ... 20)
L
= brightness <1..3>
X
= characters (up to 64)
LF = 0x0A
Format:
8bits / no parity / 1 stop bit
Baud Rate: 9600bds
6.2.
Characters Set
All standard ASCII characters <32 .. 126> excepted for the char ^ which is used as delimiter
!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ
[\]_'`abcdefghijklmnopqrstuvwxyz{|}~
Extended Latin ASCII characters (ISO-8859-1) <224 .. 255>
àáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ
6.3.
FDS extended commands
Inline commands can be add in a display frame between the ^^ delimiters.
Command
Description
^cs
c
^
Color overlay
^cp
s e c
^
Color overlay between two characters position
^tf
p c
^
Traffic Light (Filled)
^tb
p c
^
Traffic Light (Border only)
^fi
c
^
Fill all display
^fs
n s
^
^fe^
Flash text
