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Chapter 5, FRONT PANEL OPERATION
Phase in Degrees
Figure 5-31, Phase Output in Degrees
Shows the relative phase, where phase = tan
-1
(Y output/X output), in degrees.
Reference Frequency
Figure 5-32, Reference Frequency Display
Shows the reference frequency at which the lock-in amplifier is operating. Note that
the display shows values in kHz only when the frequency is greater than 3 kHz. At all
other values the units are Hz.
5-29
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