Extron electronic MLS 304SA Switch User Manual


 
4-3
MLS 304 Series, MLS 406Series• Serial Communication
PRELIMINARY
ASCII to HEX Conversion Table
ASCII to Hex conversion table
X( = Adjustment range (0 – 14) (-10.5 dB – +10.5 dB in
1.5 dB steps)
0 = -10.5 dB
1 = -9.0 dB
2 = -7.5 dB
3 = -6.0 dB
4 = -4.5 dB
5 = -3.0 dB
6 = -1.5 dB
7 = +0 dB (default)
8 = +1.5 dB
9 = +3.0 dB
10 = +4.5 dB
11 = +6.0 dB
12 = +7.5 dB
13 = +9.0 dB
14 = +10.5 dB
X1) = Volume adjustment range (0 – 100 steps)
X1! = Switcher firmware version (listed to
two decimal places e.g.: x.xx)
X1@ = Executive mode (front panel lockout) status
0 = unlocked (default)
1 = front panel except volume adjustment is
locked
Using the command/response tables
The command/response tables on the next page list valid command ASCII codes, the
MLS’s responses to the host, and a description of the command’s function or the
results of executing the command. Upper- and lower-case characters may be used
interchangeably in the command field unless otherwise specified (setting gain/
attenuation, for example).
The ASCII to hexadecimal
(HEX) conversion table at left
is for use with the
command/response tables.
Symbol definitions
] = CR/LF (carriage return/line feed) (hex 0D 0A)
= Space
E = Escape key
X! = Specific input number (0 – 6 maximum)
0 = no connection
1 = input 1
2 = input 2
3 = input 3
...
6 = input 6
X@ = Maximum number of input channels
(1 – 4 [max.] for the MLS 304 Series or 1 – 6 [max.]
for the MLS 406 Series)
X# = Video type (can be set for inputs 3 – 4 of the MLS 304
Series or inputs 4 – 6 of the MLS 406 Series only)
1 = Vid (composite video [MLS 304 Series only]
and/or S-video [MLS 406 Series only])
2 = RGB (default)
X$ = Audio gain
(0 dB through +24 dB in 1 dB steps)
(default = 0 dB for MLS 304MA, MLS 406,
MLS 406MA; default = +6 dB for MLS 304SA,
MLS 406SA)
X% = Audio attenuation (1 to 42; 0 dB through -42 dB in
1 dB steps)
X^ = On/off status
0 = off/disable
1 = on/enable
X& = Input to be adjusted (1 – 4 for MLS 304 Series, 1 – 6 for
MLS 406 Series switchers)
1 = input 1
2 = input 2
3 = input 3
...
6 = input 6