6. LW2 Programmer's Reference
UMX-HDMI-140 series– User's Manual
72
Applied firmware package: v1.3.0b5 | LDC software: v2.5.6b2
6.4.
Crosspoint and Port Settings
Port Numbering
Port
type
Port
LW2 port number
Applicable media layers
Audio
Video
Audio + Video
Input
VGA in
01
-
V
-
HDMI in
02
A
V
AV
DP in
03
A
V
AV
DVI-D in
04
A
V
AV
DVI-A in
05
-
V
-
Analog audio in 1
01
A
-
-
Analog audio in 2
05
A
-
-
Output
HDMI out
01
A
V
AV
6.4.1.
Switch an Input to the Output
Command and Response
#switch #crosspoint
ȩ
{
<in>
@
<out>
•
<layer>
}
Ȩ
(O
<out2>
•I
<in2>
•
<layer>
)CrLf
Parameters
Identifier
Parameter description
Parameter values
<layer>
Signal type of the
layer
A:
audio layer
V:
video layer
AV:
audio & video layer
<out>
Output port
O1
<in>
Input port
I1-I4
0:
Using the '0' (zero) value the input will be disconnected and no
signal will appear on the output
Example
ȩ
{2@1 AV}
Ȩ
(O01 I02 AV)
Explanation
The audio and video signals of the HDMI in (02) are selected to the HDMI out (01) port.
ATTENTION!
The response of this command does not show if the output is muted. To check the mute
status a separate query has to be used like {VC}.
ATTENTION!
Analog video inputs does not contain embedded audio. If you use the AV option in case of
VGA input (01) the audio will be switched to the analog audio input 1 (01) and in case of DVI-A input (05)
the audio will be switched to the analog audio input 2 (05).
6.4.2.
Mute Output
Command and Response
#mute
ȩ
{#
<out>
·
<layer>
}
Ȩ
(1MT
<out>
·
<layer>
)CrLf
Parameters
Parameter
Parameter description
Value
Parameter value
<layer>
The layer of the HDMI signal
A
Audio layer
V
Video layer
AV
Audio and video layers together
Example
ȩ
{#1 A}
Ȩ
(1MT01 A)
Explanation
The audio signal of the HDMI out (01) is muted.
ATTENTION!
Muting does not change the state of the crosspoint but disables the output itself. This way
the last connection can be easily restored with an unmute command. Switching a muted output does not
unmute the output.
6.4.3.
Unmute Output
Command and Response
#unmute
ȩ
{+
<out>
·
<layer>
}
Ȩ
(0MT
<out>
·
<layer>
)CrLf
Parameters
Parameter
Parameter description
Value
Parameter value
<layer>
The layer of the HDMI signal
A
Audio layer
V
Video layer
AV
Audio and video layers together
Example
ȩ
{+1}
Ȩ
(0MT01)
Explanation
The audio and video signals of the HDMI out (01) is unmuted.
INFO:
Unmuting an output makes the previous connection active as the crosspoint state has not been
changed by the muting command, only the output was disabled.
