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Power Analyzers
Operation
49
4. Push 1 (Select) to select the signal to be measured.
The difference between the crossing points of the two cursors and the signal under measurement is
shown in the upper left corner of the screen, such as “204.7 V”. The time difference (426 ms)
between the two cursors and the frequency (2.347 Hz) calculated are displayed in the upper part of
the screen.
5. Push 3 (Move) until shows on the label, indicating that the left cursor is selected and a
diamond mark is displayed on the left cursor.
6. Use the left and right arrow (M N) keys to move the left cursor to the appropriate position.
7. Push 3 (Move) until shows on the label, indicating that the right cursor is selected and a
diamond mark is displayed on the right cursor.
8. Use the left and right arrow (M N) keys to move the right cursor to the appropriate position.
9. Read the difference, time difference and frequency value at the top of the screen.
Zoom and Shift the Waveform
The Scope supports horizontal and vertical zooming and shifting. You can select a singe waveform
independently for vertical zooming and shifting and the waveforms are not affected by each other.
Enter the Zoom Menu:
• From the main screen of Scope select 5 (Zoom/Shift).
The options are as shown in Table 22.
Table 22. Zoom In/Out the Waveform
Item Description
1 Select
Push 1 (Select) to cycle through the current selected signal.
The currently selected signal is displayed under the “Select” label with a
color block of the same color as the signal waveform.
The selectable signals are the selected signal in the “Select” menu, which
is the signal displayed on the “Vertical Axis Scale” of the screen, see
Select the Waveform to Display.
2 DIR
Zoom direction
Push 2 to cycle through and select the zoom direction. Horizontal and
vertical zooming of waveforms are supported. The currently selected zoom
direction is displayed below the “DIR” softkey label, indicated by a
horizontal or vertical two-way arrow.
• (horizontal): Zooms the time axis of all signal waveforms in step of 1,
2, 5 and 10.
• (Vertical): Zooms the currently selected signal vertically.
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