SIS Command and Response Table

Command

ASCII Command

Response

Additional Description

 

(host to scaler)

(scaler to host)

 

 

 

 

 

 

 

 

 

Input selection

 

 

 

Video and audio

X!!

InX!•All]

Select video and audio from input X!.

View current input

!

X!]

View current selected input X! (video

 

 

 

only).

 

 

 

 

Input video format

 

 

 

Set video format

X!*X#\

TypX!*X#]

Set input X! to format X#.

View set format

X!\

X#]

View set video format of input X!.

Input EDID (VGA and HDMI)

Assign EDID to

EAX!*X1&EDID}

EdidAX!*X1&]

input

 

 

View assigned EDID

EAX!EDID}

X1&]

data

 

 

 

 

EdidAX!*X1&]

Save an output

ESX@*X1&EDID}

EdidSX@*X1&]

EDID to custom slot

 

 

Assign EDID resolution and refresh rate X1& for input X!.

View assigned EDID resolution and refresh rate X1& for input X!.

(Verbose mode response)

Save output X@ EDID to X1&. (Valid for X1& = 2, 3, 4 only and X@ = 1 only.)

Auto-Image

 

Enable

X!*1A

ImgX!*1]

Activate Auto-Image for input X!.

 

 

Disable

X!*0A

ImgX!*0]

Turn Auto-Image off for input X!.

 

 

View

X!A

X(]

View Auto-Image setting X( for X!.

 

 

Execute

A

Img]

Execute an Auto-Image to the selected

 

 

 

 

 

input (follows current aspect setting).

 

 

Execute and Fill

1*A

Img1]

Execute an Auto-Image and fill entire

 

 

 

 

 

output.

 

 

Execute and Follow

2*A

Img2]

Execute an Auto-Image and follow the

 

 

 

 

 

aspect ratio of the input.

 

 

 

 

 

Auto-Image threshold value (luminosity value which the scaler defines as active video for Auto-Image)

 

 

Set value

EX2&ALVL}

AlvlX2&]

Set global Auto-Image luminosity

 

 

 

 

 

value X2&.

 

 

View

EALVL}

X2&]

View global Auto-Image luminosity

 

 

 

 

 

value X2&.

 

 

 

 

 

 

 

NOTE: X! = Input number: 1 to 3

X@ = Output selection: 1 = HDMI

X# = Input video format: 1 = RGB, 2 = YUV, 3 = Composite, 4 = HDMI

X( = Enable/Disable: 0 = Off or disable, 1 = On or enable

X1& = Scaler resolution or EDID emulation, 0 = Automatic: match current output resolution (default), 2 = Custom EDID or output rate

#1, 3 = Custom EDID or output rate #2, 4 = Custom EDID or output rate #3.

For variables 10-92, see the SIS EDID table on page 23.

X2& = Auto-Image threshold value: 0 (black) though 100 (white), default = 25

DSC 301 HD • SIS Communication and Control

26

Page 32
Image 32
Extron electronic DSC 301 HD manual SIS Command and Response Table

DSC 301 HD specifications

The Extron DSC 301 HD is a powerful digital scaler designed for high-definition video applications, making it an essential tool for professional AV installations. This device is particularly well-suited for those working in multichannel environments, requiring seamless video processing for presentations, broadcasting, and various multimedia displays.

One of the standout features of the DSC 301 HD is its ability to scale video input signals across a wide range of resolutions. It supports resolutions up to 1080p and even 2K, ensuring compatibility with the latest high-definition content and display technologies. This flexibility allows users to easily integrate diverse sources, such as computers, Blu-ray players, and other HDMI signal sources, into their AV setups without compromising on quality.

The DSC 301 HD employs Extron's proprietary Image Perfect scaling technology, which ensures that aspect ratios, sharpness, and color fidelity are maintained during the scaling process. This feature is crucial for maintaining the integrity of images, particularly when dealing with variable resolutions. Users can expect pristine video output whether the input is from a PC or a video camera, ensuring a consistent viewing experience.

In terms of connectivity, the DSC 301 HD is equipped with various input and output options, including HDMI, VGA, and composite video connectors. This ensures that it can accommodate a wide range of devices and output to different types of displays, allowing for versatile AV configurations. Additionally, the device supports audio embedding and de-embedding, making it suitable for integrated sound systems.

The DSC 301 HD also includes advanced features such as input signal detection, which automatically switches inputs based on the presence of a signal, and comprehensive EDID management, ensuring optimal communication between connected devices for resolution and configuration. Furthermore, the built-in test patterns assist in troubleshooting and installation, which can greatly enhance user experience and reduce setup time.

With a user-friendly interface, the Extron DSC 301 HD provides accessible control options, including front panel buttons and remote control capabilities. It integrates seamlessly with Extron's Global Configurator software, allowing for customizable configuration and management, making it an ideal choice for complex AV installations and environments requiring high functionality and reliability.

In summary, the Extron DSC 301 HD stands out as a robust solution for high-definition scaling needs, combining advanced technologies, extensive connectivity options, and user-friendly features, making it an excellent investment for professional AV users.