Filter
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Appendices ~ Appendix E: Serial Commands
FILTER - Filter Adjust
This command selects/reports the setting of filters.
Command form: DEVICE
FILTER
<Channel> <Group> <Node> [Type]
[Frequency] [Gain] [Bandwidth]
Argument details
Name Description
Device 0–7 or * to select all units
FILTER Command form
Channel See Groups and Channels, page 97
Group See Groups and Channels, page 97
Node 1–4 (selects mic input filter)
1–15 (selects processing channel filter)
Name Description Units
Type 0 = None, 1 = All Pass, 2 = Low Pass,
3 = High Pass, 4 = Low Shelving,
5 = High Shelving, 6 = Parametric Equalizer,
7 = CD Horn, 8 = Bessel Crossover,
9 = Butterworth Crossover,
10 = Linkwitz-Riley Crossover, 11 = Notch,
Null to return the current mode
Frequency 0 for Null (Type 0) Hz
20 to 20,000 (Type 1–6, 8–11) Hz
500 to 5,000 (Type 7) Hz
Gain 0 for Null (Type 0–3, 7, 11) dB
-15.00 to 15.00 (Type 4–6) dB per octave
12, 18, 24 (Type 8–9) dB per octave
12, 24 (Type 10) dB per octave
-80 nonadjustable (Type 11)
Bandwidth 0 to Null (Type 0–5, 7)
.05–5.00 (Type 6, 11)
2 = low pass, 3 = high pass (Type 8–10)
Examples
#50 FILTER 1 M 3 2 200
On XAP 800 unit 0 (
#50
) the filter (
FILTER
) for mic
(
M
) channel
1
, node
3
is set as a low-pass filter (
2
) at
200
Hz.
#51 FILTER B P 2 4 3000 -10
On XAP 800 unit 1 (
#51
) the filter (
FILTER
) for
processing (
P
) channel
B
, node
2
, is set as a low shelving (
4
) filter at
3000
Hz and a
gain of
-10
dB.
#52 FILTER 3 M 2 6 5000 -15 1.00
On XAP 800 unit 2 (
#52
), the filter
(
FILTER
) for mic (
M
) channel
3
, node
2
, is set as a PEQ (
6
) with a center
frequency of
5000
Hz, a bandwidth of
1.00
, and a gain of
-15
dB.
#53 FILTER B P 2 7 4000
On XAP 800 unit 3 (
#53
), the filter (
FILTER
) for
processing (
P
) channel
B
, node
2
, is set as a CD Horn (
7
) at a frequency of
4000
Hz.