Ramp – ramp gain adjustment, Refsel - pa/aec reference select, Appendices ~ appendix e: serial commands – ClearOne XAP 800 User Manual

Page 129: Argument details

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Appendices

~ Appendix E: Serial Commands

RAMP – Ramp Gain Adjustment

This command starts/stops the gain ramp for an input, output, or assignable

processing block. There is no query for this command.

Command form: DEVICE RAMP <Channel><Group><Rate>[Target]

Argument details

Name

Description

Unit

Device

0–7 or * to select all units

RAMP

Command

Channel

See Groups and Channels, page 97

Group

I, O, M, L, P, T, R (1, 2, 3, 5, 16, 17)

Rate

-50 to 50

dB/s

If value = 0. the ramp will stop

If value < 0, the gain will ramp down

If value > 0, the gain will ramp up

Target

-65 to 20

dB

If null in text, the ramp will use the

channel’s maximum and minimum for a target

Example:

#57 RAMP 5 L 6 12

On XAP 800 unit 7 (

#57

), the gain (

RAMP

) on

L

ine Input

5

will increase at a rate of

6d

B/sec until the

12

dB point is reached.

REFSEL - PA/AEC Reference Select

This command selects/reports which output is used for each mic as a reference for

power amp adaptation mode and acoustic echo cancellation where applicable. There

can be only one selection per mixer.

Command form: DEVICE REFSEL <Channel> [Ref. Group] [Ref. Channel]

Argument details

Name

Description

Device

0–7 or * to select all units

REFSEL

Command

Channel

1–8 (select mic input)

Ref. Group

0 = Output, E = Expansion bus

Ref. Channel

1–9, O–Z (select output or E-bus channel)

Example:

#50 REFSEL 1 O 8 On XAP 800 unit 7 (#50), the PA/AEC reference

REFSEL for mic channel 1 is output (O) 12.

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