User Manual
Table Of Contents
- Contents
- An overview of MRX Designer
- Screen structure
- Basic use of MRX Designer
- Menu bar
- Tool buttons
- Shortcut keys
- Design sheet
- “Parameter Sets” area
- “Parameter Link Group” area
- “Gang Edit Group” area
- “Properties” area
- Components and the component editor
- Editing the parameters
- Acoustic Echo Canceller (AEC)
- Ambient Noise Compensator (ANC)
- Audio Detector
- Auto Gain Controller (AGC)
- Combiner
- Delay
- Dynamics
- Effect
- EQ
- Fader
- Feedback Suppressor
- Filter
- Inputs/Outputs
- Meter
- Mixer
- Oscillator
- Paging
- Polarity
- Revolabs Control
- Router
- Source Selector
- Speaker Processor
- Speech Privacy
- Text
- Transmitter/Receiver
- User Defined Block
- Dialog boxes and applications
- “Print” dialog box
- “Install Speech Privacy File” dialog box
- “File Transfer” application
- “PGM1 Label Creator” application
- “Compile” dialog box
- “Snapshot Group” dialog box
- “Remote Control Setup List” dialog box
- “External Events” dialog box
- “GPI” dialog box
- “Digital Control Panel” dialog box / “Wireless DCP” dialog box / “MCP1” dialog box
- “PGM1/PGX1” dialog box
- “Port Name” dialog box
- List of settings in “Settings” dialog boxes
- Context menus
- Troubleshooting
Performing FBS detection for the FIXED type
MRX Designer User Guide
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4 [Freq.]
Displays the frequencies of the filters that were applied. Up to seven filters will be applied.
DYNAMIC
This method continually finds the changing feedback points while the MRX unit is in use,
and updates the filter settings accordingly. This is effective for wireless mics whose
location is not fixed, and which can be used in a variety of positions.
5 DYNAMIC [ON] button
Enables or disables the DYNAMIC function. FBS operation will begin when you turn
this on.
6 [CLEAR] button
Clears the filter settings.
7 [Freq.]
Displays the frequencies of the filters that were applied. Up to seven filters will be applied.
• The indicator will light when the following occurs.
- When a frequency is displayed
- When a currently-displayed frequency is rewritten
• When using FIXED, calculation will continue repeatedly even after all seven filters have
been displayed, for example to combine the frequencies that are closest to each other.
However when using DYNAMIC, if all seven filters are already displayed but new feedback
is found, the filter that was specified first and that will have the least effect on the audio
quality will be discarded, and replaced by the newly-specified filter. A filter will be
discarded automatically after a certain length of time has elapsed since it was applied.
• It is not possible to completely eliminate all feedback in all environments.
• If feedback increases when you raise a fader or the gain, and is not automatically
suppressed, lower the fader or gain to prevent the speakers from being damaged.
Performing FBS detection for the FIXED type
In order to obtain good results, you should set up the mics, speakers, and other sound
equipment, and adjust the output EQ settings before performing detection. If you want,
FIXED can also be used in conjunction with DYNAMIC.
1. Adjust the power amp output volume.
While vocalizing into the mic, gradually raise the power amp output to the volume
at which the system will be operated in actual use. In addition, clap your hands and
verify that feedback does not occur.
2. Maintain silence in the space for which you want to suppress feedback.
3. Minimize the input of the mic that you want to detect.
To minimize the input, you can either adjust the input gain or use the fader to adjust
the output. In the components that you have placed, adjust the parameters of the
appropriate component.
4. Click the [DETECT] button to begin detection.
5. Gradually raise the input of the mic that you want to detect.
Feedback will occur, but the MRX will immediately detect that frequency and insert
a filter.
Repeat this operation. When you have obtained a satisfactory result, click the
[DETECT] button to end detection.
NOTE