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

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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