8. LW3 Programmers' Reference
MMX8x4-HT series – User's Manual
110
Applied firmware package: v1.2.2b5 | LDC software: v2.2.1
8.8.1.6. Query the Gain on the Microphone Input
Command and Response
Ý
GET•/MEDIA/AUDIO/I9.InputGain
Ü
pw•/MEDIA/AUDIO/I9.InputGain=
<gain_value>
Parameters
<gain_value>
Microphone input gain in dB.
Example
Ý
GET /MEDIA/AUDIO/I9.InputGain
Ü
pw /MEDIA/AUDIO/I9.InputGain=1.00
8.8.1.7.
Set the Gain n the Microphone Input
Command and Response
Ý
SET•/MEDIA/AUDIO/I9.InputGain=
<gain_value>
Ü
pw•/MEDIA/AUDIO/I9.InputGain=
<gain_value>
Parameters
<gain_value>
Gain value can be set between -12dB and +55dB (1 dB step).
Example
Ý
SET /MEDIA/AUDIO/I9.InputGain=1
Ü
pw /MEDIA/AUDIO/I9.InputGain=1.00
8.8.1.8.
Switch on the Phantom Power
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.
Command and Response
Ý
SET•/MEDIA/AUDIO/I9.PhantomPower=
<phantom_status>
Ü
pw•/MEDIA/AUDIO/I9.PhantomPower=
<phantom_status>
Parameters
<phantom_status>
true:
Phantom power is switched on.
false:
Phantom power is switched off.
Example
Ý
SET /MEDIA/AUDIO/I9.PhantomPower=true
Ü
pw /MEDIA/AUDIO/I9.PhantomPower=true
See more details about using the phantom power in
Installation Guide for Connecting a Microphone
section.
8.8.1.9.
Set the Phase Inverter on Microphone Input
Command and Response
Ý
SET•/MEDIA/AUDIO/I9.InvertPhase=
<invertphase_status>
Ü
pw•/MEDIA/AUDIO/I9.InvertPhase=
<invertphase_status>
Parameters
<inverphase_status>
true:
Invert Phase is turned on.
false:
Invert Phase is turned off.
Example
Ý
SET /MEDIA/AUDIO/I9.InvertPhase=true
Ü
pw /MEDIA/AUDIO/I9.InvertPhase=true
For more details about the Phase Inverter see
Legend of Microphone Input Channel
section.
8.8.1.10.
Set the Feedback on Microphone Input
Command and Response
Ý
SET•/MEDIA/AUDIO/I9.FeedbackCancel=
<feedback_status>
Ü
pw•/MEDIA/AUDIO/I9.FeedbackCancel=
<feedback_status>
Parameters
<feedback_status>
true:
Feedback cancel is on.
false:
Feedback cancel is off.
Example
Ý
SET /MEDIA/AUDIO/I9.FeedbackCancel=true
Ü
pw /MEDIA/AUDIO/I9.FeedbackCancel=true
For more details about the Feedback cancel see
Legend of Microphone Input Channel
section.
8.8.1.11.
Set the Highpass Filter on Microphone Input
Command and Response
Ý
SET•/MEDIA/AUDIO/I9.HPF=
<hpf_status>
Ü
pw•/MEDIA/AUDIO/I9.HPF=
<hpf_status>
Parameters
<hpf_status>
true:
Highpass filter is on.
false:
Highpass filter
is off.
Example
Ý
SET /MEDIA/AUDIO/I9.HPF=true
Ü
pw /MEDIA/AUDIO/I9.HPF=true
For more details about the Highpass Filter see
Legend of Microphone Input Channel
section.