Octave rms – NTi Audio Minilyzer ML1 User Manual
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1/3
rd
Octave RMS
The 1/3
rd
OCTAVE RMS screen shows the signal frequency spectrum
of the line-in signal, divided into 31 bands.
Fig 3.19 1/3
rd
Octave RMS Screen
Arrow Readout
1/3rd Octave
Spectrum
Arrow
Mode
Bargraph of Level-RMS (fullband)
Scaling
of Y-Axis
Zoom
(Y-Axis)
Time
Constant
Run/Pause
To enter the 1/3
rd
OCTAVE RMS mode, select 1/3
rd
OCT. -> RMS in
the measurement functions submenu.
Arrow readout: The arrow readout displays the frequency and
the level of the 1/3
rd
octave band that it points to. The arrow
automatically points to the highest level in the 1/3
rd
octave spectrum,
or, alternatively may be controlled manually.
Arrow Mode: The arrow readout may be moved manually to a certain
specific 1/3
rd
octave band.
• Select the arrow mode field and press the enter key.
• Move the arrow to any frequency by using the left/right keys.
run/pause: The 1/3
rd
octave spectrum may be freezed.
• Select the run/pause field and press the enter key.
• The1/3
rd
octave spectrum is freezed.
• The arrow mode or zoom symbol may be selected for the detailed
read out of the 1/3
rd
octave spectrum.
• At selecting any other field the measurement will be continued.
• Press the enter key again to continue the measurement.
Measurement Functions