Extron electronic 68-1383-01 REV. E manual Audio output volume

Command/Response Table for SIS Commands (continued)

Command Function	SIS 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

X1**X1(V	OutX1*•VolX1(]
1*50v	Out01•Vol50]	Set output 1 volume to 79%.
X1*+V	OutX1*•VolX1(]	Increment volume by 1 step.
1+V	Out01•Vol51]
X1*-V	OutX1*•VolX1(]	Decrease volume by 1 step.
X1*V	X1(]

		value	dB of	Output		value	dB of	Output		value	dB of	Output
	X19				X19				X19
			attenuation	volume			attenuation	volume			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: X1* = Local audio output number	1	– 2	(MTPX Plus 128)
	1	– 4	(other matrix sizes 1616 and smaller)
	1	– 8	(matrix sizes 1632 and larger)
X1( = Volume adjustment range	0	– 64 (1 dB/step except for 0-to-1, which is 13 dB)

MTPX Plus Series • Programming Guide 84