Specifications

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APPENDIX E • SERIAL COMMANDS
107
Filter
DESCRIPTION:
This command selects/reports the setting of filters on input and audio processing channels.
RETURN VALUES:
Unit always returns the last executed input filter selection in the same form as above.
TEXT FORM DETAILS
COMMAND FORM:
<DEVICE> FILTER <Channel> <Group> <Node> [Type Frequency Gain Bandwidth]
Where:
DEVICE: See General Text command form Description
FILTER Text Command
Channel See Groups and Channels (Table 1, page 95)
Group ‘M’, ‘P’ See Groups and Channels (Table 1, page 95)
Filter
1-4 node of a Mic input filter
1-15 node of an audio processing filter
Type
0 None
1 select All Pass
2 select Low Pass
3 select High Pass
4 select Low Shelving
5 select High Shelving
6 select Parametric Equalizer
7 select CD Horn
8 Bessel Crossover
9 Butterworth Crossover
10 Linkwitz-Riley Crossover
11 Notch = -80
Null return the current mode
Frequency Parameter to select the corner frequency (Hz) of the filter
Type Range
0 N/A
1-6, 8-11 20-20,000
7 500-5,000