ClearOne comm XAP 400 operation manual 131, Mute Mute, NCD Noise Cancellation Depth

Appendices ~ Appendix E: Serial Commands 131

MUTE - Mute

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 103
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 <Channel> <Group> [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 <Channel> <Group> <Value>

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).

✍

quality.

Noise cancellation must be enabled for this command to have any effect on audio

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