Tektronix NetTek YBT250, Руководство пользователя

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Displaying a Signal Spectrum
3- 18
YBT250 Field Transmitter & Interference Tester User Manual
Using Markers on a Single Trace
To measure the difference in frequency and level between two points
on a single trace:
1. Display the markers by selecting View>Markers .
2. Tap the M1 readout. This assigns the marker to the knob and to
the touch screen in the display area.
3.
Tap the display where you want to place the marker. You can also
use the knob to position the marker.
4. Tap the M2 readout. This assigns the marker to the knob and to
the touch screen in the display area.
5.
Tap the display where you want to place the marker. You can also
use the knob to position the marker.
6. Read the difference in frequency and level at the right side of the
marker display.
Using Markers with Two Traces
When Trace 2 is displayed, you can measure the difference in
frequency and level between points on two traces:
1. If Trace 2 is not displayed, select View > Trace 2 .
2. Display the markers by selecting View > Markers .
3. Specify the location of the markers by choosing one of the menu
selections shown in Table 3--3 from the
View menu.
Table 3- 3: Marker placement
Menu selection Location of markers
M1 Trace 1, M2 Trace 2
Assigns M1 to Trace 1 and M2 to Trace 2
(rotating the trace order does not change the
marker assignment).
Both on front trace
Both markers are assigned to the front trace,
which changes when the trace order
changes.