12. Appendix
MMX8x4-HT series – User's Manual
158
Applied firmware package: v1.2.2b5 | LDC software: v2.2.1
Infra Category
Action
Expression
HT400MC
Ports
HT420M
Ports
HDMI-4K-A
Ports
HDMI-4K-A-USB20
Ports
Parameters
Send pronto hex code D1-D4
D1-D6
D1-D4
D1-D4
Pronto hex
Audio Category
Action
Expression
Parameters HT400MC
Parameters HT420M
Set Mic input channel volume on mixer
Volume: 0dB to -80dB
Increase Mic input channel volume on mixer
N/A
Decrease Mic input channel volume on mixer
N/A
Mute Mic input channel volume on mixer
N/A
Unmute Mic input channel volume on mixer
N/A
Set Line input channel volume on mixer
Volume: 0dB to -80dB
Increase Line input channel volume on mixer
N/A
Decrease Line input channel volume on mixer
N/A
Mute Line input channel volume on mixer
N/A
Unmute Line input channel volume on mixer
N/A
Set HDMI input channel volume on mixer
Volume: 0dB- to -80dB
Increase HDMI input channel volume on mixer
N/A
Decrease HDMI input channel volume on mixer
N/A
Mute HDMI input channel volume on mixer
N/A
Unmute HDMI input channel volume on mixer
N/A
Set Line output channel volume on mixer
N/A
Increase Line output channel volume on mixer
N/A
Decrease Line output channel volume on mixer
N/A
Mute Line output channel volume on mixer
N/A
Action
Unmute Line output channel volume on mixer
N/A
Ethernet Category
Action
Expression
HT400MC
Parameters
HT420M
Parameters
HDMI-4K-A-
USB20
Parameters
HDMI-4K-A
Parameters
Send TCP command
Message, IP address, Port number
Send UTP command
Message, IP address, Port number
INFO:
The maximum length of the code can be 184 characters (184bytes).
EDID Category
Action
Expression
Parameters
HT400MC
Parameters
HT420M
Parameters
HDMI-4K-A
Parameters
HDMI-4K-A-USB20
Switch EDID
F1-F149
D1-D5
U1-U27
E1-E8
F1-F149
D1-D5
U1-U27
E1-E8
F1-F149
D1-D8
U1-U24
E1-E8
F1-F149
D1-D8
U1-U24
E1-E8
GPIO Category
Action
Expression
HT420M Ports
HDMI-4K-A-USB20
Ports
Open contact on relay
P1-P4
P1-P4
Close contact on relay
P1-P4
P1-P4
Toggle contact on relay
P1-P4
P1-P4
CEC Category
Action
Expression
HT420M Ports
Parameters
Send command '
<cec_command_text>
'
I1-I8; O1-O5
N/A
Send custom command
I1-I8; O1-O5
CEC command in
hex format
INFO: For the entire list of CEC commands see