4. Installation
MMX8x4-HT series – User's Manual
34
Applied firmware package: v1.2.2b5 | LDC software: v2.2.1
For more information about the LW3 protocol commands, see
section.
Step 5.
Connect the microphone.
a) In case of
dynamic or wireless microphone
: Skip this step and follow the instructions with
Step 4.
b) In case of
condenser microphone
: Switch on the phantom power. Keep pressed the button more than
2 seconds to activate phantom power.
Port
Property
Value
Lightware Device
Controller
LW3 command
Microphone
input
(MIC IN)
Phantom
power
On
Ý
SET /MEDIA/AUDIO/I9.PhantomPower=true
WARNING! Phantom power supplies the condenser microphone by 48V via the microphone cable which
is necessary for normal operation of the condenser microphone. Application of the phantom power can
cause a damage if dynamic or wireless microphone is connected.
INFO: Always switch on the phantom power when the cabling and connecting have already done. Do not
disconnect the microphone when the phantom power is switched on!
Step 6.
Set these properties below:
Port
Property
Value
Lightware Device
Controller
LW3 command
Advanced
audio output
(AUDIO OUT)
Volume
0dB
Ý
SET /MEDIA/AUDIO/O6.Volume=0
Microphone
input
(MIC IN)
Volume
0dB
Ý
SET /MEDIA/AUDIO/I9.Volume=0
Step 7.
Talk to the microphone continuously. Increase the microphone
input gain slowly and check the signal indicator chart. It gives a
feedback about the optimal signal level.
INFO: Take care that peak led (PK!) never lights up!
See more details in
section.
Step 8.
If the signal level is low, set the optimal volume both the microphone
input and balanced output channel. Always check the signal
indicator chart for the optimal level!
INFO: Take care that peak led (PK!) never lights up!
See more details in
section.
MIC input gain
MIC signal
MIC input
volume
Output volume
4.5.
Installation Guide for Connecting a Microphone
MMX8x4-HT400MC and MMX8x4-HT420M model
#balance #volume #advanced #audio#mic #microphone
The device features a dedicated Special Audio Input Block for microphone. Before connecting a microphone
to the matrix device please read the instructions below.
These settings can be done from a computer using the
Software Control – Lightware Device
(LDC) software. The application is available at
, install it on a
Windows PC or a macOS and connect to the device via LAN, USB, RS-232.
Step 3.
Always check the correct wiring of the microphone cable. See more details about the wiring in
section. Microphone cable should be shielded with 2x0,22mm conductor, max. 50m long.
WARNING! Never apply phantom power with unbalanced cable, because it may harm the devices!
Step 4.
Before the connection, please set these properties below:
Port
Property
Value
Lightware Device
Controller
LW3 command
Advanced
audio output
(AUDIO
OUT)
Volume
-80dB and/
or Mute
Ý
SET /MEDIA/AUDIO/O6.Volume=-80
Ý
SET /MEDIA/AUDIO/O6.Mute=true
Microphone
input
(MIC IN)
Volume
-80dB and/
or Mute
Ý
SET /MEDIA/AUDIO/I9.Volume=-80
Ý
SET /MEDIA/AUDIO/I9.Mute=true
ATTENTION!
Skipping the volume or mute setting can cause serious damage in the
speaker or the external sound system when phantom power is turned on!
Phantom
power
Off
Ý
SET /MEDIA/AUDIO/I9.PhantomPower=false
ATTENTION!
Always turn off the phantom power before connecting the microphone!
INFO: When the red LED lights on the rear side of the matrix, it displays that the phantom
power is switched on.
Input gain
-12dB
Ý
SET /MEDIA/AUDIO/I9.InputGain=-12
EQ
(High,Hmid,
Lmid, Low)
0
Ý
SET /MEDIA/AUDIO/I9.PEQ1Gain=0
Ý
SET /MEDIA/AUDIO/I9.PEQ2Gain=0
Ý
SET /MEDIA/AUDIO/I9.PEQ3Gain=0
Ý
SET /MEDIA/AUDIO/I9.PEQ4Gain=0
Panorama
(Balance)
0
Ý
SET /MEDIA/AUDIO/I9.Balance=0