Kramer Electronics VP-81 K user manual Control Configuration via RS-232 and RS-485

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To cascade up to eight individual VP-81Kunits via RS-485, do the following:

1.Connect the computer graphics sources and acceptors, as described in Section 5.

2.Connect the RS-232 port to the first VP-81Kunit to the PC using the null- modem adapter provided with the machine (recommended), as Section 5.2

describes.

Alternatively, the RS-485 port could be used for PC control (instead of RS-232).

3.Connect the RS-485 terminal block port on the first unit to the RS-485 port on the second VP-81Kunit and so on, connecting all the RS-485 ports.

4.Set the DIP-switches, as Section 5.2 describes:

Set the first VP-81Kunit as Machine # 1 and the following seven VP-81Kunits as Machine # 2 to Machine # 8

Set DIP 4 ON on the first and last VP-81Kunits (terminating the RS-485 line at 120Ω). Set DIP 4 OFF on the other VP-81Kunits

Figure 15: Control Configuration via RS-232 and RS-485

VP-81K - Connecting the VP-81K

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Contents VP-81K Page Figures Introduction Getting Started Achieving the Best PerformanceOverview DDC Support Defining the VP-81K 8x1 UXGA/Audio SwitcherDefining Edid Audio Gain PROG. Button Using the IR Transmitter Installing in a Rack Before Installing in a RackConnecting the VP-81K Connecting the Balanced/Unbalanced Stereo Audio Output Connecting the VP-81KControlling via RS-232 Crossed Cable RS-232 ConnectionConnecting a PC or Controller to the RS-485 Port Controlling the VP-81K via the Ethernet PortRight-click Local Area Connection Properties Connecting via a Straight-Through Cable Configuring the Ethernet PortControlling via the Embedded Web Pages Click OK P3K Wizard screen appearsClick the on-screen buttons to control the unit Click Configurations Setting the Machine # DIP-Switch SettingsCascading Machines Control Configuration via RS-232 and RS-485 Using the Front Panel Input Selector Buttons Operating Your VP-81K 8x1 UXGA/Audio SwitcherUsing the Regular or Automatic Switching Mode Regular Switching Mode Using the Audio-Follow-Video/Breakaway ModesAutomatic Switching Mode Toggling between Video and Audio Control in Breakaway Mode Setting the Audio GainOperating in Breakaway Mode Operating in the Audio-Follow-Video ModeTechnical Specifications InputsCommunication Parameters RS-232Table 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 Protocol Commands Switching ProtocolsSwitching Protocols via the Front Panel Buttons Kramer ProtocolKramer Protocol Protocol 3000 SyntaxCommand Part Details #CR ~OK CrlfVID AUDVID? AUD?Preset SIGNAL?Signal Input PRST-STOLOCK-FP? Reset Reset OKLOCK-FP LOCK-MODEName SN?VERSION? Version NAME? NameAFV AFV?Output MSB LSBInput 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.