580 Chapter7
Language Reference
RL Reference/Range Level
RL Reference/Range Level
Syntax
Figure 7-227 RL Syntax
Description
The RL command sets the reference level, or range level when in
normalized mode. (Range level functions the same as reference level.)
The reference level is the top horizontal line on the graticule. For best
measurement accuracy, place the peak of a signal of interest on the
reference-level line. The spectrum analyzer input attenuator is coupled
to the reference level and automatically adjusts to avoid compression of
the input signal. Table 7-1 on page 372 shows the minimum reference
level for each band and amplitude scale. Refer also to AUNITS.
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