ClearOne XAP400 - Manual (Page 139)

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Appendices ~ Appendix E: Serial Commands
MUTE - Mute
Selects/reports the setting of mute on input, output or processing channels.
Command form: DEVICE MUTE [Value]
Argument details
Name Description
Device 0—7 or * to select all units
MUTE Command form
Channel See Groups and Channels, page 105
Group I, O, M, P, L
Value 0 = Off, 1 = On, 2 = Toggle, Null = current mode
Example: #71 MUTE 2 M 1 On XAP 400 unit 1 (#71), 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 [Value]
Argument details
Name Description
Device 0—7 or * to select all units
NCD Command form
Channel 1—4 (select mic input) or 1 (telco receive)
Group M or R
Value 6 - 15 (set noise cancellation from 6 to 15dB),
Null to return the current mode
Example: #72 NCD 1 M 9 On XAP 400 unit 2 (#72), the noise cancellation
depth (NCD) of mic channel 1 (M) is 9dB.
NCSEL - Noise Cancellation Select
This command selects/reports the Noise Cancellation for each mic channel.
Command form: DEVICE NCSEL
Argument details
Name Description
Device 0—7 or * to select all units
NCSEL Command form
Channel 1—4 (select mic input) or 1 (telco receive)
Group M or R
Value 0 = Off, 1 = On, 2 = Toggle, Null = Current state
Example: #73 NCSEL 2 M 1 On XAP 400 unit 3 (#73), the noise cancellation
(NCSEL) for mic channel 2 (M) is enabled (1).
Noise cancellation must be
enabled for this command
to have any effect on audio
quality.