Y-Scaling - BRUEL & KJAER 2032 Instruction Manual

Dual channel signal analyzer
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5.3.4. Y -scaling
Fig.5.16.
The Y-scaling Control Fields
The Y-scaling control fields control the scaling of the Y-axis. Precisely how the fields
are used depends on what is being displayed. In the following, a general description of
the Y -scaling fields is given first for time domain functions and then for frequency
domain functions, followed by exceptions to these general descriptions.
a) Time Domain Functions
Up to five Y -scaling control fields are used in the display of a time domain function.
They control:
1 .
Y -axis full scale
2.
Y -axis units, absolute or relative
3.
Y -axis dB reference
4.
Y -axis range in dB
5.
Y -axis lin.-log.
Field 3 disappears from the 2032 Display when read-out in absolute units is selected,
and Field 4 disappears when a linear Y -axis is selected. Note that while read-out with
logarithmic scaling is possible in both absolute or relative units, read-out with linear
scaling is only possible in absolute units.
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