Extron electronic MPX 866 A manual Audio output volume

Command/Response Table for SIS Commands (continued)

Command	ASCII Command	Response	Additional description
	(Host to Unit)	(Unit to Host)
Audio output volume

NOTE: The table below the commands defines the value of each audio volume step.

Set the audio volume to a specific value

Example:

Increment volume

Example:

Decrement volume Read output volume

X@*X^V	OutX@•VolX^]
1*50v	Out01•Vol50]	Set output 1 volume to 79%.
X@+V	OutX@•VolX^]	Increase volume by 1 step.
1+V	Out01•Vol51]	Increment audio volume from 79% to 80.5%.
X@-V	OutX@•VolX^]	Decrease volume by 1 step.
X@V	X^]

X6 value/	dB of	Output	X6 value/	dB of	Output	X6 value/	dB of	Output
# of steps	attenuation	volume	# of steps	attenuation	volume	# of steps	attenuation	volume
00	76	0%
01	63	5.5%	23	41	38.5%	45	19	71.5%
02	62	7%	24	40	40%	46	18	73%
03	61	8.5%	25	39	41.5%	47	17	74.5%
04	60	10%	26	38	43%	48	16	76%
05	59	11.5%	27	37	44.5%	49	15	77.5%
06	58	13%	28	36	46%	50	14	79%
07	57	14.5%	29	35	47.5%	51	13	80.5%
08	56	16%	30	34	49%	52	12	82%
09	55	17.5%	31	33	50.5%	53	11	83.5%
10	54	19%	32	32	52%	54	10	85%
11	53	20.5%	33	31	53.5%	55	9	86.5%
12	52	22%	34	30	55%	56	8	88%
13	51	23.5%	35	29	56.5%	57	7	89.5%
14	50	25%	36	28	58%	58	6	91%
15	49	26.5%	37	27	59.5%	59	5	92.5%
16	48	28%	38	26	61%	60	4	94%
17	47	29.5%	39	25	62.5%	61	3	95.5%
18	46	31%	40	24	64%	62	2	97%
19	45	32.5%	41	23	65.5%	63	1	98.5%
20	44	34%	42	22	67%	64	0	100%
21	43	35.5%	43	21	68.5%
22	42	37%	44	20	70%
NOTE: X@ = Output number			01 – 06 for audio
X^ = Volume adjustment range			00 – 64 (see the table above)

MPX 866 A Media Presentation Matrix Switcher • Programming Guide 67