User manual

177
Capture + Tolerances
Band-limited Measurement Range
Alternatively to the settings on the XL2, the tolerance may also
be limited to a range of frequency bands or a number of indi-
vidual frequencies on a computer.
Open the tolerance file on the computer.•
Delete all not required frequency bands.•
Set • #Hide UnusedBands to True.
Save the file changes.•
Load the updated tolerance file in the XL2.•
The XL2 shows selectable broadband values with A, C or Z-
weighting on the right hand side of the spectrum.
Alternatively select the following averaged or summed levels:
Bands E-Sum• : Sum of displayed frequency bands
Bands E-Mean• : Energy-averaged level of displayed frequen-
cy bands, e.g. the bands 80 dB and 70 dB produce 77.4 dB.
Bands A-Mean• : Arithmetically-averaged level of displayed
frequency bands, e.g. the bands 80 dB and 70 dB produce
75 dB.