Extron electronic MLS 102 VGA Serial Communication, cont’d, Input selection, Audio mute overall

4-4 MediaLink VersaTools Switchers • Serial Communication

MediaLink VersaTools Switchers • Serial Communication 4-5

Command/response table for SIS commands

Command

ASCII Command

Response

Additional description

(host to switcher)

(switcher to host)

Input selection

Select an input (audio and video).

X1

!

Chn

X1

Select input

X1

(audio and video).

Example:

4!

Chn4

Example: select input 4.

Select an audio input.

$

Aud

Select input

audio only.

X1

X1

X1

Select a video input.

X1

&

Vid

X1

Select input

X1

video only.

Audio input gain/attenuation (per input)

Set a specific input’s audio gain.

X4

*

X2

G

In

X4

Aud=

X5

Set a single input’s gain (in dB).

Example:

3*9G

In

Aud=+09

Example: set input 3’s gain to +9dB.

X4

Set a specific input’s audio attenuation.

*

g

In

Aud=

Set an input’s attenuation

X4

X3

X4

X5

(in dB).

Increment a specific input’s gain.

X4

*+G

In

X4

Aud=

X5

Increase an input’s gain by 1dB.

Decrement a specific input’s gain.

*-G

In

Aud=

Decrease an input’s gain by 1dB.

X4

X4

X5

View a specific input’s audio gain level.

X4

*G

In

X4

Aud=

X5

Show an input’s audio level.

Set current input’s audio gain.

G

In

Aud=

Set the current input’s gain (in dB).

X2

X4

X5

Set current input’s audio attenuation.

X3

g

In

X4

Aud=

X5

Set attenuation (in dB).

Increment current input’s gain.

+G

In

Aud=

Increase the gain by 1dB.

X4

X5

Decrement current input’s gain.

-G

In

X4

Aud=

X5

Decrease the gain by 1dB.

View current input’s audio gain level.

G

In

Aud=

Show the audio level.

X4

X5

Audio mute (overall)

Mute on

1Z

Amt1

Mute all audio outputs.

Mute off

0Z

Amt0

Unmute all audio outputs.

View the audio mute status.

Z

Amt

X7

Show the status of audio mute.

Volume adjustment (overall)

Set the overall output volume.	X6	V	Vol	X6	Specify the volume for the audio output.
Example:	27V		Vol013		Example: set volume to 13.
Increment the volume.	+V		Vol		Increase audio output.
				X6
Decrement the volume.	-V		Vol	X6	Decrease audio output.
View the volume level.	V		Vol		Show the output volume.
				X6

Executive mode

Turn executive mode off.	0X	Exe0		Enable front panel operation. Adjustments and
				selections can be made from the front panel.
Turn executive mode on.	1X	Exe1		Lock front panel adjustments; make changes by
				RS-232 only. Only input selection and volume
				adjustment are available via the front panel.
View the executive mode status.	X	Exe	X7	Show executive mode status.
Example:	X	Exe0

Firmware version, part number & information requests

Query firmware version number.

Q

Ver

X8

Show the switcher’s firmware version.

Request the part number.

N

N60-497-0X

Show the MLS’s part #.

Request general info.

I

(see below)

Show the MLS’s status.

Vid

• Aud

• Vol

X1

X1

X6

Video input #

X1

is selected/active.

Audio volume

Audio input

#

X1

is

level is

X6

.

selected/active.

Zap (reset to default settings)

Zap all MLS settings/memories.	Esc	zXXX	ZapXXX	Reset everything (all settings and adjustments)
				to the factory default.

Serial Communication, cont’d