Agilent Technologies 54503A User's Guide download pdf (Page 32)

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32 Chapter1

Quick Start Guide

Making a Basic Measurement

Figure 1-5 300 MHz Center Frequency

2. Set the frequency span.

a. Press

SPAN. Note that SPAN is now displayed in the active

function block, identifying it as the current active function.

b. To reduce the frequency span—for example, to 20 MHz—either

press 20 MHz on the data keypad, or use the

⇓ key to "step down"

to this value. (Like data keys, step keys can also be used to

change the numeric value of the active function.)

The resulting display is shown in Figure 1-6. Note that the

resolution and video bandwidths are coupled to the frequency

span; they are automatically adjusted to appropriate values for a

given span. Sweeptime is also a coupled function.

c. Press

SWEEP and notice the SWP TIME AUTO MAN softkey. The

softkey can be used to make the sweeptime be auto-coupled or

manually controlled; the underline indicates which part of the

function is enabled. For example, the

SWP TIME AUTO MAN

function is auto-coupled when AUTO is underlined.

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