R&S RTA4000, Руководство пользователя

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Waveform analysis
R&S
®
RTA4000
103 User Manual 1335.7898.02 ─ 08
Figure 7-2: Display of vertical zoom
7.1.2 Modifying the zoom
There are several ways to adjust the zoom:
●
Use finger gestures on the screen.
●
Use the [Scale] and [Position] knobs.
●
Tap the zoom scale or zoom position label in the zoom window and enter a value
on the keypad. These settings are horizontal values, which take effect in horizontal
and vertical zoom windows. See number 3 and 4 in
Figure 7-1 .
●
Use the menu to enter exact numerical values. See Chapter 7.1.3, "Zoom settings" ,
on page 104.
To adjust the zoom using gestures
1. For horizontal and vertical zoom:
a) To change the horizontal zoom position, drag one finger horizontally in the
zoom window.
b) To change the horizontal zoom scale and width of the zoom area, spread or
pinch two fingers in horizontal direction.
2. For vertical zoom only:
a) To change the vertical zoom position, drag one finger vertically in the zoom
window.
b) To change the vertical zoom scale and height of the zoom area, spread or
pinch two fingers in vertical direction.
3. To change the position of the zoom area in vertical zoom:
Zoom