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Select Channel
•
Opens a box to select an arbitrary trace of the active setup as the active trace. This function is
disabled if the current setup contains only one channel.
If one or several traces are assigned to the selected channel, one of these traces becomes the active
trace.
The order of all channels belonging to a setup is given by the channels' creation time. By default, the
channels are named Ch1, Ch2, ... so that Ch<n – 1> precedes Ch<n>. This order is always maintained,
even if channels are renamed, invisible (because no traces are assigned to them) or distributed over
several diagram areas.
Remote
control:
The numeric suffix <Ch> appended to the first-level mnemonic of a command selects a
channel as active channel.
Add Chan + Trace
Creates a new channel and a new trace, which is displayed in the active diagram area. The new channel
settings (including a possible channel calibration) are identical to the previous channel settings; the trace
is created with the trace settings of the former active trace but displayed with another color. The former
and the new active trace are superimposed but can be easily separated, e.g. by changing the Reference
Position.
The new channel is named Ch<n>, where <n> is the largest of all existing channel numbers plus one. The
name can be changed in the Channel Manager.
To create a new trace in the active channel, use the Trace – Traces – Add Trace function. To create a
new channel and a new trace and display it in a new diagram area, use Add Chan + Trace + Diag Area.
Remote control:
CONFigure:CHANnel<Ch>[:STATe] ON
CALCulate<Ch>:PARameter:SDEFine "<Trc_name>", "<Parameter>"
DISPlay:WINDow<No>:TRACe:FEED "<Trc_name>"
Add Chan + Trace + Diag Area
Creates a new channel and a new trace, which is displayed in a new diagram area. The new channel
settings (including a possible channel calibration) are identical to the previous channel settings; the trace
is created with the trace settings of the former active trace but displayed with another color.
The new channel is named Ch<n>, where <n> is the largest of all existing channel numbers plus one. The
name can be changed in the Channel Manager.
To create a new trace in the active channel, use the Trace – Traces – Add Trace function. To create a
new channel and a new trace and display it in the active diagram area, use Add Chan + Trace.
Remote control:
CONFigure:CHANnel<Ch>[:STATe] ON
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CALCulate<Ch>:PARameter:SDEFine "<Trc_name>", "<Parameter>"
DISPlay:WINDow<No>:STATe ON
DISPlay:WINDow<No>:TRACe:FEED "<Trc_name>"
Delete Channel
Deletes the current channel including all traces assigned to the channel and removes all display elements
related to the channel from the diagram area. Delete Channel is disabled if the setup contains only one
channel: In manual control, each setup must contain at least one diagram area with one channel and one
trace.
To restore a channel that was unintentionally deleted, use the Undo function.
Remote control:
CONFigure:CHANnel<Ch>[:STATe] OFF
Channel Manager
Opens a dialog to perform the actions in the Channel Select menu systematically and rename channels.
All existing channels of the current setup are listed in a table; see below. Below the table the Trace
Manager provides the following buttons:
•
Add Channel adds a new channel to the list. The new channel is named Ch<n>, where <n> is the
largest of all existing channel numbers plus one.
•
Delete Channel deletes the channel selected in the drop-down menu. This button is disabled if the
setup contains only one channel: In manual control, each setup must contain at least one diagram
area with one channel and one trace.
Columns in the Channel Manager table
The channel table contains several editable (white) or non-editable (gray) columns.
•
Channel indicates the current channel name. The default names for new channels are Ch<n>
where <n> is a current number.
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•
Traces indicates the names of all traces assigned to the channel.
Remote control:
CONFigure:CHANnel<Ch>:CATalog?
CONFigure:CHANnel<Ch>:NAME
CONFigure:CHANnel<Ch>:NAME:ID?
CONFigure:CHANnel<Ch>[:STATe]
Nwa-Setup Menu
The Nwa-Setup menu provides all display settings and the functions to activate, modify and arrange
different diagram areas.
Diagram Areas
Adiagram area is a rectangular portion of the screen used to display traces. Diagram areas are arranged
in windows; they are independent of trace and channel settings.
•
Adiagram area can contain a practically unlimited number of traces, assigned to different
channels (overlay mode); see Traces, Channels and Diagram Areas.
•
The traces displayed in the diagram area are listed in the upper left corner.
•
The channels for all traces are listed in the lower left corner.
The contents of the diagram areas are explained in section Display Elements. Diagram areas are
controlled and configured by means of the functions in the Nwa-Setup – Display submenu. Moreover the
size of the entire window can be changed by an easy drag-and-drop operation, which is especially useful if
the nework analyzer is controlled via Remote Desktop.
(No direct access via front panel keys)
The Nwa-Setup menu contains the following functions and submenus:
•
Display provides functions to delete diagram areas, arrange traces to diagram areas and arrange
the diagram areas in the active window.
•
Display Config configures the entire screen and the individual diagram areas.
•
Undo reverses the previous operation.
•
Redo reverses the action of the Undo command.
•
Setup Info displays information on the active setup.
•
System Config opens a dialog to define various system-related settings.
•
External Tools opens a submenu with various demo setups and editing tools.
Display
The Display submenu provides functions to delete diagram areas, and arrange areas in the active window.
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Active and inactive traces and diagram areas
The active window can display several diagram areas simultaneously, each with a variable number of
traces. One of these areas and traces is active at each time. The area number in the upper right corner of
the active area is highlighted. At the same time the active trace is highlighted in the trace list on top of the
active diagram area (Trc 4 in the figure below):
The analyzer provides several tools to activate a diagram area:
•
Aleft mouse click on a point in the diagram activates the diagram including the last active trace in
the diagram.
•
Aleft mouse click on a trace list activates the trace including the corresponding diagram.
•
Some of the functions of the Trace – Traces menu activate a particular trace including the
corresponding diagram.
•
Delete Diag Area deletes the active diagram area.
•
Overlay All places all traces in a single diagram area which occupies the whole window.
•
Split All splits the active window into as many diagram areas as there are traces and assigns a
single trace to each area.
•
Maximize maximizes the active diagram area to occupy the whole window.
•
Dual Split splits the active window into two diagram areas and distributes the traces among the
two areas.
•
Triple Split splits the active window into three diagram areas and distributes the traces among the
three areas.
•
Quad Split splits the active window into four diagram areas and distributes the traces among the
four areas.
•
Split Manager opens a dialog to arrange the diagram areas in the active window.
•
Title opens a dialog to define a title and display it in one of the diagram areas.
Delete Diag Area
Deletes the current diagram area including all traces displayed in the diagram area. Delete Diag Area is
disabled if the setup contains only one diagram area: In manual control, each setup must contain at least
one diagram area with one channel and one trace.
To restore a diagram area that was unintentionally deleted, use the Undo function.
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Remote control:
DISPlay:WINDow<Wnd>:STATe OFF
Dual Split
Splits the window horizontally into two diagram areas and distributes the traces among the two areas,
separating diagrams with different trace Format and Channel settings (e.g. Cartesian and polar diagrams).
To vary the size and position of the two diagram areas, drag and drop the separating frames or use
the Split Manager.
Remote control: No command, display configuration only.
Triple Split
Splits the active window into three diagram areas and distributes the traces among the three areas,
separating diagrams with different trace Format and Channel settings (e.g. Cartesian and polar diagrams).
If less than three traces are available, some diagram areas are empty and display No Trace.
To vary the size and position of the diagram areas, drag and drop the separating frames or use the
Split Manager.
Remote control: No command, display configuration only.
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Quad Split
Splits the active window into four diagram areas and distributes the traces among the four areas,
separating diagrams with different trace Format and the Channel settings (e.g. Cartesian and polar
diagrams).
If less than four traces are available, some diagram areas are empty and display No Trace.
To vary the size and position of the diagram areas, drag and drop the separating frames or use the
Split Manager.
Remote control: No command, display configuration only.
Split Manager
Opens a dialog to arrange the diagram areas in the active window.
•
Split Mode provides a drow-down list to select alternative display schemes for the diagram areas
(see examples for split modes below).
•
Number of Diagram Areas indicates the total number of diagram areas. Increasing/decreasing the
number creates new diagram areas or deletes diagram areas.
Examples for split modes
•
The following examples were obtained with 3 diagram areas, each with 1 trace.
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Lineup
Stack
Tile Horizontally
Tile Vertically
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Rows and Columns (2 | 1): the 3rd trace is
displayed in overlay mode.
Remote control:
No command, display configuration only.
Title
Opens a dialog to opens a dialog to define a title and display it in one of the diagram areas.
•
Title provides an input field for the title string. The title may comprise a practically unlimited
number of characters and is centered in a line below the top of the diagram area.
•
Diagram Area provides a drop-down list of all diagram areas of the current setup. The title is
assigned to the selected area.
•
All Titles Off removes the titles from all diagram areas. The titles are hidden but not deleted:
Unchecking All Titles Off displays the titles again.
Remote control: DISPlay:WINDow<Wnd>:TITle:DATA '<title>'
DISPlay:WINDow<Wnd>:TITle:STATe <Boolean>
Display Config
The Display Config submenu configures the screen by showing or hiding controls and information
elements and controls the appearance of the individual diagrams.
The Display Config menu contains the following functions:
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•
Color Scheme controls the colors in all diagram areas.
•
Softkey Labels shows or hides the softkey bar at the right edge of the screen.
•
Status Bar shows or hides the status bar across the bottom of the screen.
•
Front Panel Keys shows or hides the hardkey bar at the top of the screen.
•
Frequency Info shows or hides the frequency values in the diagram areas.
Hiding the controls and information elements leaves more space for the diagram areas. All elements may
be shown or hidden simultaneously. A checkmark next to the menu item indicates that the view element is
displayed.
Color Scheme
Controls the colors in the diagram areas. Color schemes are global settings and apply to all active setups.
The following Predefined Schemes are optimized for the analyzer screen and for color hardcopies,
respectively:
•
Dark Background sets a black background color. The traces and information elements in the
diagram areas are displayed in different colors. This setting is usually suitable for observing
results on the analyzer screen.
•
Light Background sets a light background color. The traces and information elements in the
diagram areas are displayed in different colors.This setting is suitable for generating color
hardcopies of the screen.
The following Predefined Schemes can be appropriate for generating black-and-white hardcopies of the
screen:
•
Black and White Line Styles sets a white background color. All traces and information elements in
the diagram areas are black, however, the traces are drawn in different line styles.
•
Black and White Solid sets a white background color. All traces and information elements in the
diagram areas are black. All traces are drawn with solid lines.
Define User Scheme... opens a dialog to modify the predefined schemes, changing the colors and styles
of the individual display elements.
Use Define User Scheme to create, save and recall your own color scheme.
Remote control: SYSTem:DISPlay:COLor
Define User Color Scheme
The Define User Color Scheme dialog modifies the predefined color schemes, changing the colors and
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styles of the individual display elements. User-defined color schemes can be saved to a file for later reuse.
The following control elements change the current color scheme:
•
The screen element to be modified is selected from the Element drop-down list. The list contains
the background and all traces, text elements and lines in the diagrams.
•
Color opens a standard color dialog to assign a color to the selected element. Use the What's
This? help button
in the dialog to obtain detailed information.
•
Trace Style and Trace Width are enabled if the selected element is a trace.
•
Use same Color for all Markers allows to select a common marker color, which is independent of
the trace colors. To define the common color, select the Same Color for all Markers element.
•
Keep Trace Color over Reassignment of Diagram Area controls the color of traces that are
assigned to another diagram area or created together with a new diagram areas; see background
information below.
Effects of Keep Trace Color...
The analyzer assigns trace colors according to a predefined scheme, starting with the colors that are
easiest to distinguish. On one hand it is advantageous to use the colors at the beginning of the scheme.
On the other hand, it is often desirable to use different colors in different diagram areas so that any trace
that is moved from one diagram area to another can keep its color.
Keep Trace Color... changed between these two alternative color modes as shown below.
Keep
Trace
Color
Move trace to another diagram
area (Trace Manager)
Add Trace + Diag. Area
(
Trace
–
Trace Select...)
Trace color changed according to
the new diagram area's color
scheme
Color scheme of the new diagram area is independent, restarts with the
first colors. Consequently the new trace is displayed with a color that has
been already used.
Trace keeps its color
Color scheme of the new diagram area continues color scheme of the
previously active area. The new trace is displayed with a new color.
See also program example for DISPlay:CMAP<Element>:TRACe:COLor[:STATe].
Two buttons at the bottom of the dialog are used to save or recall user-defined color schemes.
•
Save... opens a Save As... dialog to select a color scheme file and save the current settings. Color
scheme files are non-editable files with the extension *ColorScheme; the default directory is
C:\R_S\Instr\user\Nwa\ColorSchemes.
•
Recall... opens an Open File... dialog to load and apply a color scheme saved before.
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