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Appendices ~ Appendix E: Serial Commands
MUTE - Mute
This command selects/reports the setting of mute on input, output or processing
channels.
Command form: DEVICE
MUTE
<Channel> <Group> [Value]
Argument details
Name Description
Device 0–7 or * to select all units
MUTE Command form
Channel See Groups and Channels, page 97
Group I, O, M, P, L
Value 0 = Off, 1 = On, 2 = Toggle, Null = current mode
Example:
#51 MUTE 2 M 1
On XAP 800 unit 1 (
#51
), the mute (
MUTE
) for
mic (
M
) channel
2
is on (
1
).
NCD - Noise Cancellation Depth
This command selects/reports the noise cancellation amount for each mic channel.
Command form: DEVICE
NCD
<Channel> [Value]
Argument details
Name Description
Device 0–7 or * to select all units
NCD Command form
Channel 1–8 (select mic input)
Value 6 - 15 (set noise cancellation from 6 to 15dB),
Null to return the current mode
Example:
#52 NCD 1 9
On XAP 800 unit 2 (
#52
), the noise cancellation depth
(
NCD
) of mic channel
1
is
9
dB.
NCSEL - Noise Cancellation Select
This command selects/reports the Noise Cancellation for each mic channel.
Command form: DEVICE
NCSEL
<Channel> <Value>
Argument details
Name Description
Device 0–7 or * to select all units
NCSEL Command form
Channel 1–8 (select mic input)
Value 0 = Off, 1 = On, 2 = Toggle, Null = Current state
Example:
#53 NCSEL 2 1
On XAP 800 unit 3 (
#53
), the noise cancellation
(
NCSEL
) for mic channel
2
is enabled (
1
).
Noise cancellation must be
enabled for this command
to have any effect on audio
quality.
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