Extron electronics DMP 128 Plus User Manual page 33

The dialog box provides controls to configure the input gain stage of the input
Input Gain
processing path.
1
2
3
4
5
6
Figure 45. Input Gain Dialog Box
Input Name — This name changes to match the default or user defined input name.
1
Gain Fader — Provides up to 80 dB of gain or 18 dB of attenuation in 1 dB steps.
2
Click the fader once and press the
fader up or down in 1 dB steps. Press the
the fader up or down in 10 dB steps.
dBFS Meter — This meter displays the input signal level in dBFS ranging from
3
-60 dBFS to 0 dBFS. Once the signal reaches or passes -1 dBFS (default) or the clip
threshold defined in the
located at the top of the meter lights red.
dBFS Numeric Readout — This read-only text box displays the numerical value of the
4
input signal level in dBFS.
Input Gain Text Field — This text field allows the user to enter a gain or attenuation
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value in 0.1 dB steps.
Polarity Toggle Button — Inverts the signal polarity of the selected input. When the
6
button displays the black
button displays the black
Mute Button — Mutes signal at the input stage, preventing it from going any further in
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the signal processing chain.
Phantom Power Check Box — Provides 48 V phantom power to the selected input
8
for use with condenser microphones. Available on inputs 1 through 8 only.
Source Drop-Down Menu (AT models only) — Selects the input audio source for the
9
channel. Source options are analog (default) or any of the AT inputs. Input gain range
changes to -24 dB to +18 dB when using AT inputs.
OK Button — Confirms changes and closes the
¢
Cancel Button — Reverts any changes made to the contained parameters back to
£
their states when the current instance of the
closes the dialog box.
Input Gain Help Button — Opens the
¤
DSP Configurator Help file for further assistance in configuring input gain.
Input Name
Gain Fader
dBFS Meter
dBFS Numeric Readout
Input Gain Text Field
Polarity Toggle Button
or
<Up Arrow>
<Page Up>
Options
dialog box (see
Options
symbol on a gray field ( ), the polarity is normal. When the
+
symbol on a yellow field ( ), the polarity is inverted.
-
Input Gain
Input Gain
Mic/Line Input Gain
DMP 128 Plus • DSP Configurator Software
Mute Button
7
Phantom Power Check Box
8
Source Drop-Down Menu
9
OK Button
¢
Cancel Button
£
Input Gain Help Button
¤
keys to adjust the
<Down Arrow>
or keys to adjust
<Page Down>
on page 93), the clip box
dialog box.
dialog box was opened and
topic in the
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