Roland OCTA-CAPTURE - High-Speed USB Audio Interface - Manual (Page 45)

45
Preamp control
Preamp section
Screen
indication
Setting Explanation
Input gain Adjusts the input signal’s gain over a range of 0–50 dB, in steps of 0.5 dB.
+48 V phantom
power
Supplies phantom power. Turn this on if you’re using a device that requires
phantom power, such as a condenser mic.
Impedance
select (channels
1 and 2 only)
Choose the Hi-Z (ON) setting if you’ve connected a guitar, and choose the
Lo-Z (OFF) setting if you’ve connected any other device.
Phase Inverts the phase of the input signal.
Low cut Enables the low-cut filter for the input. The cutoff frequency is 100 Hz.
Compressor section
The compressor section can also be controlled from the OCTA-CAPTURE itself (p. 58).
Screen
indication
Setting Explanation
GATE Gate Mutes signals below the specified level. (dB)
ATK Attack Time
Specifies the time from when the input level exceeds the threshold until the
compressor begins to operate. (msec)
REL Release Time
Specifies the time from when the input level falls below the threshold level
until the compressor stops operating. (msec)
THRES Threshold Specifies the signal level at which the compressor begins operating. (dB)
RATIO Ratio
Specifies the compression ratio at which the audio signal is to be
compressed.
GAIN Gain Adjusts the output level of the compressor. (dB)
Stereo Link
If this setting is on, the compressor settings of the adjacent channel will be
set so they’re identical to those of this channel.
Comp switch Enables the compressor.