Extron • Matrix 100 • User’s Manual
Appendix A • RS-232 Matrix Programmer’s Guide
CMD12 (3Ch) - Mute Selected Outputs
The Host tells the Matrix to mute specific planes, within selected outputs.
Format:CMD12, Mute1, Mute2, ... MuteN, 80h, 80h, 04h
Where: MuteN specifies planes to be muted for the output corresponding to the
mute byte number. This uses the same format as PlnMap shown below.
PlnMap0 to access the RGBS Switcher (planes 1, 2, 3 & 4)
Plane # n/a 7654321
Plane Use n/a Audio Audio Sync/ Sync/ Blue Green Red
#2 #1 Video Video MRAM MRAM MRAM
PlnMap Bit # 7 6543210
MuteN 1 xxxxxxx
Example: Assume an 8 x 8 switch, with RGBS, Composite video and Audio.
3Ch, 87h, A0h, 90h, 97h, 80h, 80h, 80h, 80h, 80h, 80h, 04h
The following outputs are muted:
87h Output 1: R, G, B (leave sync on)
A0h Output 2: Audio Stereo (Left + Right)
90h Output 3: Composite video
97h Output 4: R, G, B and Composite video
80h outputs 5 - 8 Outputs not muted
Response: CMD12, Erc, 80h, 80h, 04h
CMD13 (3Dh) - Request Mute Map
The Host asks the Matrix to send which outputs are muted. The response sends
back the same data, in the same format as CMD12.
Format:CMD13, 80h, 80h, 04h
Example: 3Dh, 80h, 80h, 04h
Response: CMD13, Erc, Mute1, Mute2, ... MuteN, 80h, 80h, 04h
Where: MuteX specifies planes to be muted for the output corresponding to the
mute byte number. This uses the same format as PlnMap shown above.
A-11
MRAM = Medium Resolution
Analog Module.
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