Yamaha QL5 Reference Manual page 123

5
METER switch buttons
Switch the meter display.
• GR.................Indicates the amount of gain reduction applied by the compressor.
• +4/+8 .............Each meter uses –18 dB as the reference level of the output signal, and
indicates "0VU" for the value of the reference level added by +4 dB or
+8 dB.
• OFF ...............Turns off the meter display.
6
OUTPUT knob
Adjusts the output level.
If you have adjusted the amount of gain reduction by changing the INPUT knob, the
level of audible volume will also change. In this case, use the OUTPUT knob to adjust
the volume level.
 Opt-2A
Opt-2A is a processor that emulates a popular vintage model of tube optical compressors. It
features smooth compression produced using optical components such as a CdS cell and an
EL panel to control the level. It also features beautiful high-range overtones created by the
warm distortion typical of tube circuits, resulting in elegant and sophisticated sounds.
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1
GAIN knob
Adjusts the output level.
2
PEAK REDUCTION knob
Adjusts the compression amount of the signal.
3
RATIO knob
Adjusts the compression ratio.
4
METER SELECT knob
Switches the meter display.
GAIN REDUCTION indicates the amount of gain reduction applied by the compressor.
With –18 dB as the reference level of the output signal, the OUTPUT +10 and OUTPUT
+4 settings respectively will cause the value +10 dB or +4 dB from this reference level to
be shown as "0VU" on the meter.
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Graphic EQ, effects, and Premium Rack
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Reference Manual