Manual Operation
R&S
®
SMB100A
71Operating Manual 1407.0806.32 ─ 21
Example: Modulation block
In this block, the modulation signals are set. The status information of the "Modulation"
block indicates the selected modulation.
4.2.4.2 Signal Flow and Input/Output Symbols in the Block Diagram
The input/output symbols in the block diagram show the currently used inputs and out-
puts of the signal generator. Unused inputs and outputs are not shown. The lines indi-
cate the signal flow.
Symbols and labels refer to the corresponding inputs and outputs on the front and rear
panel of the signal generator. The direction - input or output - is indicated by an arrow.
Example:
The symbols indicate the input for the external pulse signal on the
instrument rear panel.
4.2.5 Structure of the Dialogs
The parameters are set in the menus. Menus are accessed either via the function
blocks in the diagram or by means of the MENU (CTRL+M) key. The menus are dis-
played on top of the block diagram.
The WINBAR key toggles between the active menus. The REARR key toggles
between the enlarged and normal sized menus.
Working with menus and dialog boxes is described in Chapter 4.3, "Accessing Dia-
logs", on page 72; the setting of parameters in Chapter 4.4, "Setting Parameters",
on page 73.
The menus are in Windows format. The menus differ in details depending on their
function but they consist of the same main elements. Each menu consists of a menu
header and one or more menu areas with various fields for setting parameters.
The header line contains the name of the menu and the buttons for minimizing and
closing the menu. To operate the buttons, use the mouse or the front key CLOSE
(ESC).
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