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Chapter 5, FRONT PANEL OPERATION
The calculation is performed using 64-bit integers to maintain full accuracy through
to the 32-bit result that is displayed immediately below the equation and is constantly
updated. Care must be taken in defining the equations so as to make the best use of
the available output range.
If the equation outputs are set to appear at any of the analog output connectors on the
rear panel using the Configuration menu, then the output range should be adjusted to
lie in the range -10000 to +10000. Values outside this range will result in these
analog outputs limiting at ±10.000 V, although the digital value will still appear
correctly on the screen and can be read via the computer interfaces.
Note that the equations continue to be calculated even when the Output Equations
menu is not displayed, if they are selected for output to the analog output connectors.
Otherwise they are calculated when requested by computer command.
Pressing the Previous Menu key returns control to Main Menu 1.
5.3.09 Oscillator Menu
When Main Menu 1 is displayed, pressing a key adjacent to the Oscillator item
accesses the Oscillator menu, which is shown in figure 5-12.
Figure 5-12, Oscillator Menu
The Oscillator menu has four controls affecting the instrument's internal oscillator,
and is also used for accessing sub-menus that control oscillator frequency and
amplitude sweeps, and frequency and amplitude modulation. The relationship of
these menus to Main Menu 1 is shown in figure 5-13. Note that as with the main
menu structure, shown in figure 5-1, it is possible to return to the Main Display from
any menu by pressing the Main Display key, but this has been omitted from figure
5-13 for the sake of clarity.
5-17
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