Extron electronic QSD 204 manual Using the command/response tables, Ascii to Hex conversion table

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Using the command/response tables

The command/response tables on the next page list valid command ASCII codes, the decoder’s responses to the host, and a description of the command’s function or the results of executing the command. Upper and lower case characters may be used interchangeably in the command field.

ASCII to HEX Conversion Table

The ASCII to HEX conversion table at left is for use with the command/response tables.

ASCII to Hex conversion table

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

Symbol definitions

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

= Space

Esc = Escape key

X1

X2

X4

X5

X8

=Specific input number (0 through 4)

0= no input

1= input 1, 2 = input 2, and so forth

=0 = off, 1 = on

=Video signal type (1 through 7)

1= composite video

2= YC

3= YUV

5 = RGBS

6 = RGBcvS

7 = SDI (serial digital interface)

=Input (1 to 4)

=Controller firmware version (listed to two decimal places e.g.: x.xx)

X10 = Picture adjustment range (0 through 255)

X12 = Detected input signal standard (0 through 4)

0 = none

1 = NTSC 3.58

2 = PAL

3 = NTSC 4.43

4 = SECAM

= not applicable (occurs when the input is set for RGB, YUV, or progressive YUV)

X13 = Detail level (0 through 63)

X14 = Adjustment range (0 through 127)

X16 = Executive mode status (0 through 2)

0 = disabled (executive mode off, normal mode on)

1 = enabled, image adjustments are locked

X17 = Blanking adjustment range (0 through 127 lines)

QSD 204 • Serial Communication

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Contents QSD Safety Instructions English PrecautionsConsignes de Sécurité Français Sicherheitsanleitungen DeutschRear panel video inputs Quick Start QSDApplication example Rear panel video outputsDefault Cycle menu Input Configuration menuMain menu Output Configuration menu Advanced Configuration menuExit menu Executive Mode menu Picture Adjustments menuTable of Contents Table of Contents, cont’d One Introduction Features and OptionsAbout this Manual About the QSDOptions and accessories Introduction, cont’d Installation and Operation QSD 204 Installation and Operation Tabletop/desktop placementMounting the Decoder Rack mountingMounting the QSD 204 on the underside of furniture Under-furniture mountingApplication diagram Rear Panel FeaturesQSD 204 D rear panel connectors Example application of the QSDOnly the QSD 204 D model has an SDI connector Installation and Operation, cont’d Picture adjustment buttons Front Panel FeaturesInput selection buttons QSD 204 front panelMenu button Next buttonLCD menu display and controls Moving through menus by using front panel controls Menus, Configuration, and AdjustmentsDefault menus Menu overviewMain menus Input ConfigurationOutput Configuration Filter mode Advanced ConfigurationSerration pulse removal Serration Detail controlAutoswitch Autosw mode Blue modeEnhanced Enh mode Exit MenuColor, tint, brightness, contrast, centering, blanking Image AdjustmentsInput Reset System ResetExecutive Mode Image adjustments IR 901 Infrared Remote ControlFreezing an input Selecting an inputOperating Problems TroubleshootingInstallation and Operation, cont’d Three Serial Communication RS-232 Programmer’s GuideHost-to-decoder communications Using the command/response tables Symbol definitionsAscii to Hex conversion table Serial Communication, cont’d Command Ascii Command Response Additional descriptionExecutive mode Firmware version, part number & information requests Command Ascii Command Response Values Command/response table for special function SIS commandsInstalling the software Using the control programControl Software for Windows Using the help program Serial Communication, cont’d AAppendix Specifications AppendixQSD 204 Appendix QSD 204 Appendix A-3 GeneralAccessories Part Numbers and AccessoriesAccessories Part number Included partsQSD 204 Appendix A-5 Firmware Upgrade InstallationLocating the three firmware IC chips U17 U38 U41QSD 204 Appendix A-7 Serial Digital Interface SDI Card InstallationPin socket on back of SDI card Pin connector on main board

QSD 204, QSD 204 D specifications

Extron Electronics has established itself as a leader in professional AV technology, and the QSD 204 series is a testament to this innovation. The QSD 204 and QSD 204 D are powerful presentation switchers designed for seamless connectivity and enhanced video performance in various AV applications.

One of the main features of the QSD 204 is its capability to switch up to four input signals to a single output, providing flexibility in managing multiple sources. This is particularly beneficial in conference rooms, educational institutions, and event spaces, where different content sources need to be showcased efficiently. The switcher's compact design ensures it can fit easily into any AV setup without taking up excessive space.

The QSD 204 is equipped with Extron's renowned video processing technology, ensuring high-quality signal transmission with minimal distortion. It supports various video formats, including SD, HD, and even UHD signals, up to 4K resolution, accommodating a wide range of devices, from legacy equipment to modern sources. The automatic input signal scaling feature also allows for a hassle-free experience, as it adjusts the input resolution to match the output requirements, eliminating resolution mismatch issues.

Another hallmark of the QSD 204 series is its robust integration capabilities. The QSD 204 and QSD 204 D come with various control options, including RS-232 and Ethernet, facilitating easy integration into larger control systems. This feature is pivotal in environments where centralized control is necessary, enabling seamless operation through an intuitive user interface.

Moreover, the QSD 204 D variant provides additional features such as built-in audio de-embedding. This functionality allows users to extract audio signals from the video stream for independent processing or amplification. This is especially useful in professional settings where audio clarity is as crucial as video quality.

The QSD 204 and QSD 204 D are designed with reliability in mind, featuring redundant power supply options for critical AV environments. In addition, they come with Extron's industry-leading support and warranty, ensuring that users have access to top-notch customer service and backup.

With their combination of advanced technology, robust functionality, and exceptional reliability, the Extron QSD 204 and QSD 204 D are ideal solutions for any professional AV setup, delivering high performance and ease of use across a variety of applications. Whether it's for corporate settings, educational institutions, or live events, these presentation switchers are geared to meet the demands of modern AV integration.