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Input / Output Channels Operation
This section describes the function of the input and output sliders (the examples in this
section, showing the inputs, apply also to outputs).
Level Measurement Indicators:
The audio signal enters the digital system at
a certain level and is measured in dBFS
units (dB relative to full scale, the maximum
value).
• Maximum level indicator – shows the
highest registered level (in RMS) and
can change only if a higher level is
detected.
Click the indicator to reset to the
current maximum value.
• 0dBFS – refers to the maximum signal
level that can enter the system. signal
levels higher than the system limit are
clipped.
• Current maximum level indicator –
displays the current maximum level
and holds it until a higher value is
detected.
Gain/Attenuation Fader
• Maximum level – 15dB is the maximum
gain.
• Unity gain – when volume fader is set to
0dB, the input level is not changed.
• Volume fader – slide to increase or
decrease the audio level.
• Minimum level – -100dB is the
maximum attenuation.
• Current fader position – shows the
current position of the fader. You can
also type the desired volume level into
this box and press Enter on your PC.
AFM-20DSP – Processing Audio Signals
Figure 24: Level Measurement Indicators
Figure 25: Channel Fader
Kramer Electronics Ltd.
25
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