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Serial communication, cont’d, Command/response table for sis commands – Extron Electronics System 5cr Plus User Manual

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Serial Communication, cont’d

System 5cccccrrrrr Plus • Serial Communication

4-4

Command/response table for SIS commands

Command description

Command

Response

Additional

ASCII

Hex

(switcher to host)

description

Input selection

Select both video and audio

X1

!

30 +

X1

21

C

X1

Video & audio input

X1

.

Select audio only

X1

$

30 +

X1

24

A

X1

Audio input

X1

.

Select video only

X1

&

30 +

X1

26

V

X1

Video input

X1

.

Room function

Turn room function on

O

4F

Rly

X2

On.

Turn room function off

o

6F

Rly

X2

Off.

Display (projector) power

Turn display power on

[

5B

Pwr

X3

On (discrete).

Turn display power off

]

5D

Pwr

X3

Off (discrete).

Display mute

Toggle display mute on/off

S/s

53/73

Mut

Use S or s to toggle mute.

Display mode

Toggle display mode

J

4A

Mde

Audio gain/attenuation

Increase audio gain

{G

7B 47

Aud

X4

Increment up (amp output).

Decrease audio gain

}G

7D 47

Aud

X4

Increment down (amp out.).

Set amp output gain

0*

X4

G

30 2A

X4

47

Aud

X4

Affects master output volume.

Set input attenuation

1*

X4

G

31 2A

X4

47

Aud

X4

Adjusts the active input’s gain.

Read attenuators

*A

2A 41

X4

X4

X4

X4

X4

Displays the attenuation
status for audio inputs PC 1,

PC 2, Input 3, Vid 1, and
Vid 2, in that order.

Video configuration

Set video signal type

X5

*

X6

\

X5

2A

X6

5C

Vid/Y-C/RGB

Set signal type for Input 3,
Vid 1, or Vid 2.

Firmware version, part number, & information requests

Query firmware version number

Q/q

51/71

Ver

X7

X7

Display controller and
IR firmware version.

Request part number

N/n

4E/6E

N60-269-02

Display switcher’s part #.

Request information

Command =

I/i

49/69

(see below)

Display status.

Response =

V

X1

•A

X1

•T

X6

•Pwr

X3

•Rly

X2

•Clp

X2

• Amt

X2

•Aud

X4

Note

: Amt is audio mute.

The command/response tables use symbols (defined below) to represent variables.

X4

= Audio attenuation steps (0 through 100)

X5

= Which configurable video input (3 through 5)

3= Input 3 ....... Input 3 can be composite video,

S-video, or RGB.

4 = Vid 1 .......... Vid 1 can be composite video or

S-video.

5 = Vid 2 .......... Vid 2 can be composite video or

S-video.

X6

= Video input signal type (0 through 2)

0 = RGB
1 = composite video
2 = S-video

X7

= Switcher main controller firmware version

(listed to two decimal places e.g.: x.xx),
followed by IR firmware version

Symbol definitions

= CR/LF (carriage return/line feed) (hex 0D 0A)

= Space

X1

= Input number (0 through 5)

0 = no connection
1 = PC 1
2 = PC 2
3 = Input 3
4 = Vid 1
5 = Vid 2

X2

= 0 = off, 1 = on

X3

= Display power status (0 through 3)

0 = display power is off
1 = display power is on
2 = display is powering down
3 = display is powering up