Extron electronic MLS 406, MLS 304SA manual Using the command/response tables, Symbol definitions

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).

ASCII to HEX Conversion Table		The ASCII to hexadecimal
		(HEX) conversion table at left
	•	is for use with the
		command/response tables.
ASCII to Hex conversion table

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

X( = Adjustment range (0 – 14) (-10.5 dB – +10.5 dB in

1.5dB 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

PRELIMINARY

MLS 304 Series, MLS 406Series• Serial Communication 4-