R&S
ZVL Getting Started
Basic Tasks
Operating manual 1303.6538.62 - 05 54
You can also access Windows XP's on-screen keyboard from the start menu. Press
SETUP – General Setup – More – Open Start Menu (or connect an external keyboard
and press CTRL + ESC) to open the start menu, and click Programs – Accessories –
Accessibility – On-Screen Keyboard. From the start menu, you can also access other
useful software accessories.
2.3.3 Scaling Diagrams
The analyzer provides several alternative tools for setting the sweep range and
customizing the diagrams. Pick the method that is most convenient for you.
Setting the Sweep Range
The sweep range for all channels is displayed in the channel list across the bottom of
the diagram area:
To change the sweep range, use one of the following methods:
J Press the CENTER or SPAN function keys on the front panel.
J Right-click the start or stop value in the channel list and select Start, Stop, Center,
Span from the context menu.
J Select Start, Stop, Center, Span from the Channel – Center or Channel– Span
menus.
J Use the marker functions (MARKER ––> function key).
Reference Value and Position
The analyzer provides three parameters for changing the scale of the vertical
(response) axis:
J Changing the Ref Value or Ref Position shifts the trace in vertical direction and
adjusts the labels of the vertical axis. Ref Value also works for radial diagrams.
J Changing the Scale/Div modifies the value of the vertical or radial diagram
divisions and thus the entire range of response values displayed.
J The Scale/Div and the Ref Value is indicated in the scale section of the trace list.
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