Kramer Electronics VP-81 K user manual Table of Hex Codes for Serial Communication Protocol

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10Table of Hex Codes for Serial Communication (Protocol 2000)

The following table lists the Hex values to switch an input to an output for a single VP-81Kmachine. For more detailed information, see Section 11.3).

 

Video

Audio

IN 1

01, 81, 81, 81

02, 81, 81, 81

IN 2

01, 82, 81, 81

02, 82, 81, 81

IN 3

01, 83, 81, 81

02, 83, 81, 81

IN 4

01, 84, 81, 81

02, 84, 81, 81

IN 5

01, 85, 81, 81

02, 85, 81, 81

IN 6

01, 86, 81, 81

02, 86, 81, 81

IN 7

01, 87, 81, 81

02, 87, 81, 81

IN 8

01, 88, 81, 81

02, 88, 81, 81

The following table lists the hex codes that increase or decrease audio input gain.

 

IN 1

IN 2

IN 3

IN 4

IN 5

IN 6

IN 7

IN 8

Increase

18 81 86 81

18 82 86 81

18 83 86 81

18 84 86 81

18 85 86 81

18 86 86 81

18 87 86 81

18 88 86 81

Decrease

18 81 87 81

18 82 87 81

18 83 87 81

18 84 87 81

18 85 87 81

18 86 87 81

18 87 87 81

18 88 87 81

The following table lists the hex codes that set the audio input gain.

Note: Before sending any of these codes, the command 2A 86 80 81 must be sent.

 

IN 1

 

 

IN 2

 

 

IN 3

 

 

IN 4

 

 

IN 5

 

 

IN 6

 

 

IN 7

 

 

IN 8

 

 

Level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Rel]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16 81 80* 81

16 82 80* 81

16 83 80* 81

16 84 80* 81

16 85 80* 81

16 86 80* 81

16 87 80* 81

16 88 80* 81

-21dB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16 81 AB* 81

16 82 AB * 81

16 83 AB * 81

16 84 AB * 81

16 85 AB * 81

16 86 AB * 81

16 87 AB * 81

16 88 AB * 81

0dB (max)

 

 

 

* BYTE 3 = 0x80 + Gain Value (0x00-0x2B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The following table lists the hex codes that increase or decrease the audio output gain.

 

OUT 1

OUT 2

OUT 3

OUT 4

OUT 5

OUT 6

OUT 7

OUT 8

Increase

18 81 80 81

18 82 80 81

18 83 80 81

18 84 80 81

18 85 80 81

18 86 80 81

18 87 80 81

18 88 80 81

Decrease

18 81 81 81

18 82 81 81

18 83 81 81

18 84 81 81

18 85 81 81

18 86 81 81

18 87 81 81

18 88 81 81

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VP-81K - Table of Hex Codes for Serial Communication (Protocol 2000)

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Contents VP-81K Page Figures Introduction Achieving the Best Performance Getting StartedOverview Defining Edid Defining the VP-81K 8x1 UXGA/Audio SwitcherDDC Support Audio Gain PROG. Button Using the IR Transmitter Before Installing in a Rack Installing in a RackConnecting the VP-81K Connecting the VP-81K Connecting the Balanced/Unbalanced Stereo Audio OutputCrossed Cable RS-232 Connection Controlling via RS-232Controlling the VP-81K via the Ethernet Port Connecting a PC or Controller to the RS-485 PortRight-click Local Area Connection Properties Configuring the Ethernet Port Connecting via a Straight-Through CableClick OK P3K Wizard screen appears Controlling via the Embedded Web PagesClick the on-screen buttons to control the unit Click Configurations Cascading Machines DIP-Switch SettingsSetting the Machine # Control Configuration via RS-232 and RS-485 Using the Regular or Automatic Switching Mode Operating Your VP-81K 8x1 UXGA/Audio SwitcherUsing the Front Panel Input Selector Buttons Automatic Switching Mode Using the Audio-Follow-Video/Breakaway ModesRegular Switching Mode Operating in Breakaway Mode Setting the Audio GainToggling between Video and Audio Control in Breakaway Mode Operating in the Audio-Follow-Video ModeInputs Technical SpecificationsRS-232 Communication ParametersTable of Ascii Codes for Serial Communication Protocol Table of Hex Codes for Serial Communication Protocol 16 81 80 36dB 16 81 C8 0dB 16 81 D4 +6dB Switching Protocols via the Front Panel Buttons Switching ProtocolsSwitching Protocols via Protocol Commands Kramer ProtocolProtocol 3000 Syntax Kramer Protocol#CR ~OK Crlf Command Part DetailsVID? AUDVID AUD?Signal Input SIGNAL?Preset PRST-STOLOCK-FP Reset Reset OKLOCK-FP? LOCK-MODEVERSION? Version SN?Name NAME? NameAFV? AFVInput MSB LSBOutput Machine NumberReset Video Switch Video VP-81K Kramer Protocol VP-81K Kramer Protocol Only the first purchase customer may enforce this warranty Safety Warning

VP-81 K specifications

Kramer Electronics has established itself as a leading provider of innovative audio-visual solutions, and the VP-81 K is a noteworthy addition to their product lineup. This versatile presentation switcher is designed to accommodate a variety of audiovisual applications, making it ideal for classrooms, conference rooms, and professional events.

One of the standout features of the VP-81 K is its ability to handle multiple video formats. It supports both analog and digital inputs, including HDMI, VGA, and Composite video. This flexibility allows users to connect a wide range of devices, from laptops and projectors to higher-end sources and displays. The device seamlessly switches between input sources, ensuring a smooth presentation experience without interruption.

Another important characteristic of the VP-81 K is its built-in scaling technology. The device is equipped with a high-quality scaler that ensures output resolutions are optimized for a range of display formats. This means that regardless of the source resolution, the image quality remains crisp and clear, providing optimal viewing experiences for audiences.

The VP-81 K also boasts advanced audio capabilities. It allows for audio embedding and de-embedding, making it possible for users to manage both audio and video signals from a single device. This feature is particularly useful in settings where high-quality sound is essential, allowing for easier integration with external audio systems.

In terms of control, the VP-81 K is user-friendly. It provides multiple controlling options, including front-panel buttons, remote control, and RS-232 for integration with third-party systems. This flexibility ensures that users can easily manage their presentations, regardless of their technical expertise.

For enhanced security and performance, the VP-81 K features robust signal processing technology. It maintains signal integrity over long cable runs, ensuring that presentations remain professional and reliable. Additionally, the device is designed with durability in mind, utilizing high-quality components that withstand the rigors of frequent use.

Overall, the Kramer Electronics VP-81 K is a powerful and adaptable presentation switcher, equipped with essential features and cutting-edge technologies that cater to modern audiovisual needs. Whether in educational settings or corporate environments, its capabilities are sure to elevate any presentation experience.