ClearOne comm PSR1212 - Manual (Page 125)

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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 [Target]
Argument details
Name Description Unit
Device 0–7 or * to select all units
RAMP Command
Channel See Groups and Channels, page 93
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: #47 RAMP 5 L 6 12 On PSR1212 unit 7 ( #47 ), 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 [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: #40 REFSEL 1 O 8 On PSR1212 unit 7 (#40), the PA/AEC reference
REFSEL for mic channel 1 is output (O) 12.