Kramer Protocol

Note: Before sending any of the codes in Table 13, the command 2A 86 80 81 must be sent.

Table 13: Hex Codes that Set the Audio Input Gain

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

-63dB

Mute

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16 81 8D* 81

16 82 8D* 81

16 83 8D* 81

16 84 8D* 81

16 85 8D* 81

16 86 8D* 81

16 87 8D* 81

16 88 8D* 81

-50dB

 

 

 

 

 

 

 

 

 

 

16 81 BF* 81

16 82 BF* 81

16 83 BF* 81

16 84 BF* 81

16 85 BF* 81

16 86 BF* 81

16 87 BF* 81

16 88 BF* 81

0dB

 

 

 

 

 

 

 

 

 

 

16 81 C6* 81

16 82 C6* 81

16 83 C6* 81

16 84 C6* 81

16 85 C6* 81

16 86 C6* 81

16 87 C6* 81

16 88 C6* 81

+7dB

 

 

 

 

 

 

 

 

(Max)

* BYTE 3 = 0x80 + Gain Value (0x00-0x46)

Table 14 lists the Hex codes that increase or decrease the audio output gain.

Table 14: VP-8x8AK Hex Codes for Increasing/Decreasing the 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

Table 15 lists the Hex codes that set the audio output gain.

Before sending the any of the codes in Table 15, the command 2A 87 80 81 must be sent.

Table 15: Hex Codes for Setting the Audio Output Gain

OUT 1

Level

[Rel]

 

16 81 80* 81

-30dB

 

 

 

16 81 9E* 81

0dB

 

 

 

16 81 B2* 81

+20dB

*BYTE 3 = 0x80 + Gain Value (0x00-0x32)

17Kramer Protocol

Section 17.1 describes how to switch between Protocol 3000 and Protocol1 2000.

By default, the VP-81KSiis set to protocol 3000 (see Section 17.2) but is also compatible with Kramer’s Protocol 2000 (see Section 17.3).

1 You can download our user-friendly “Software for Calculating Hex Codes for Protocol 2000” from the technical support section at

http://www.kramerelectronics.com

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Kramer Electronics VP-81KSi user manual Kramer Protocol, Hex Codes that Set the Audio Input Gain

VP-81KSi specifications

Kramer Electronics has been a notable player in the AV industry, and their VP-81KSi is a vivid example of their commitment to providing high-quality video processing solutions. This device is a versatile 8x1 HDMI switcher that is designed to streamline the management of multiple HDMI sources and facilitate seamless HD video distribution.

One of the standout features of the VP-81KSi is its capability to switch between eight HDMI inputs with ease. This is particularly beneficial in settings such as conference rooms, classrooms, and entertainment venues, where multiple video sources need to be accessed efficiently. The switcher supports resolutions up to 4K at 60Hz, ensuring that users can enjoy high-definition video quality without sacrificing performance.

In addition to its robust switching capabilities, the VP-81KSi also integrates advanced audio management technologies. It supports various audio formats, including multi-channel audio, allowing for a rich auditory experience. This is complemented by its ability to embed and de-embed audio signals, providing flexibility in audio routing and management.

Another significant aspect of the VP-81KSi is its support for Kramer's proprietary Smart Switching technology. This feature automatically detects and switches to the active input source, which not only saves time but also enhances user experience by minimizing interruptions during presentations or events.

The device also includes comprehensive control options, with the ability to be managed via its front panel buttons, RS-232, and Ethernet. This flexibility allows for easy integration into existing AV systems and facilitates remote management, further simplifying operations in professional environments.

In terms of build quality, the VP-81KSi is constructed with durability in mind, featuring a compact form factor that can fit seamlessly into various setups. Its rack-mountable design is ideal for permanent installations in AV racks.

Kramer Electronics has equipped the VP-81KSi with a cooling system that ensures optimal performance during extended use. The device's low heat generation adds to its longevity and reliability, making it a smart investment for audio-visual professionals.

In summary, the Kramer VP-81KSi combines versatility, advanced technology, and user-friendly features in a single compact unit. It excels in demanding environments, delivering high-quality video and audio management that meets the needs of modern AV applications. Whether for live events, corporate presentations, or educational settings, the VP-81KSi stands out as a powerful tool for enhancing multimedia experiences.