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IQBRT8
SECTION 41b
IQBRT8OPS 020403
Version 1 Issue 7
41b.22
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TestTone
An audio tone may be selected for the outputs. The
frequency and amplitude may be set for both
subframes.
Note that the test tone and level set here will be
used for all applications. It is not possible to select
different tones for different outputs or subframes.
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Output_1 to 7
Output_2 to 8…
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Selecting the particular output will allow either one
or both of the subframes to be selected to have the
test tone applied.
Once the output and the subframe has been
selected the frequency and amplitude of the tone
may be set.
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Freq
The frequency may be set from 250
Hz to
15.750 kHz in steps of 250 Hz.
Pressing the
Return
button on the front panel will
select the value that is displayed in the window.
Preset value is 1.000 kHz
Level…
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The amplitude may be set from –18 dBFS to
0 dBFS in steps of 6 dB.
Pressing the
Return
button on the front panel will
select the value that is displayed in the window.
Preset value is –18 dBFS
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PPM_Scaling
These selections will reveal a numerical display of
dB’s that sets the 0 dBu reference point for Inputs
1 to 8.
The value may set be from –12 dB to -24 dB in
steps of 1 dB.
Pressing the
Return
button on the front panel will
select the value that is displayed in the window.
Preset value is –18 dB