User manual

VP-4x4K - Hex Codes for Serial Communication (Protocol 2000) 41
The next table lists the Hex codes that set the audio input gain. Before sending the
any of these codes, the command 2A 86 80 81 must be sent.
Set the Audio Input Gain
IN 1 IN 2 IN 3 IN 4 Level [Rel]
16 81 80
*
81 16 82 80
*
81 16 83 80
*
81 16 84 80
*
81 Mute
… … … …
16 81 87* 81 16 82 87* 81 16 83 87* 81 16 84 87* 81 -100dB Mute
… … … …
16 81 B9
*
81 16 82 B9
*
81 16 83 B9
*
81 16 84 B9
*
81 -50dB
… … … …
16 81 EB
*
81 16 82 EB
*
81 16 83 EB
*
81 16 84 EB
*
81 0dB
… … … …
16 81 FF
*
81 16 82 FF
*
81 16 83 FF
*
81 16 84 FF
*
81 +20dB (Max)
* BYTE 3 = 0x80 + Gain Value (0x00-0x7F)
The next table lists the Hex codes that increase or decrease the audio output gain.
Increase/Decrease the Audio Output Gain
OUT 4 OUT 3 OUT 2 OUT 1
18 84 80 81 18 83 80 81 18 82 80 81 18 81 80 81 Increase
18 84 81 81 18 83 81 81 18 82 81 81 18 81 81 81 Decrease
The next table lists the Hex codes that set the audio output gain. Before sending
the any of these codes, the command 2A 87 80 81 must be sent.
Set the Audio Output Gain
OUT 1 OUT 2 OUT 3 OUT 4 Level [Rel]
16 81 80
*
81 16 82 80
*
81 16 83 80
*
81 16 84 80
*
81 Mute
… … … …
16 81 8E* 81 16 82 8E* 81 16 83 8E* 81 16 84 8E* 81 -100dB Mute
… … … …
16 81 C0
*
81 16 82 C0
*
81 16 83 C0
*
81 16 84 C0
*
81 -50dB
… … … …
16 81 F2
*
81 16 82 F2
*
81 16 83 F2
*
81 16 84 F2
*
81 0dB
… … … …
16 81 FF
*
81 16 82 FF
*
81 16 83 FF
*
81 16 84 FF
*
81 +13dB (Max)
*BYTE 3 = 0x80 + Gain Value (0x00-0x7F)