Agilent Technologies 54503A Uživatelská příručka stáhnout pdf (Strana 34)

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34 Chapter1

Quick Start Guide

Making a Basic Measurement

4. Set the amplitude.

a. Generally, placing the signal peak at the reference level provides

the best measurement accuracy. To adjust the signal peak to the

reference level ( Figure 1-8), press

AMPLITUDE. Then key in −10

dBm, or use either the step keys or the knob.

Using the knob is the easiest way to ﬁne-tune the signal peak to

the reference level, which is located at the top of the graticule.

b. Because the marker is active, a faster method to ﬁne-tune the

signal peak to the reference level is to press

MARKER → REF LVL,

which is located under the

MKR → key. This function sets the

reference level equal to the marker amplitude value.

Figure 1-8 −10 dBm Reference Level

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 715 716

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