
Matrix Switching System—User Manual
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A-2.2 ACK Type B
ACK Byte + LB + Index1 + Value1 + Index2 + Value2 +…..+ CRC Byte
Length for the total data bytes (Index + Value)
AB & CB: These are the same as the ACK Type A.
LB: LB value is equal to the total data bytes (Index + Value), not include the CRC byte.
The maximum LB value of the ACK Type B is twice the total number of output or
input.
IB: Often means that the input or output port number. (Port 1 = 1, Port 2 = 2… Port n = n)
VB: Response the status refers to the table.
Request Video Output Channel
Request Audio Output Channel
Request Video Input Plug Status
Request Audio Input Plug Status
Request Video Output Plug Status
Request Audio Output Plug Status
Request Audio Output Mute Status
Request Audio Output Volume
Request Audio Output Bass
Request Audio Output Treble
Request Audio Output Subwoofer
Request Audio Output Delay Low
Request Audio Output Delay High
Please refer to “Table – Command Index List” and “Table – Command Value List”.
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