94 Chapter 4
Basic Digital Operation
Arbitrary (ARB) Waveform File Headers
Figure 4-1 First-Level Softkey Menu
Modifying Header Information
This procedure builds on the previous procedure, explaining the different fields of a file header, and showing
how to access, modify, and save changes to the file header information.
In a modulation format, you can access a file header only while the modulation format is active (on). All
ARB modulation formats and the dual ARB player access the file header the same way, except that in some
modulation formats, the menu may be on page two of the first-level softkey menu.
1. From the first-level softkey menu (shown in Figure 4-1), open the Header Utilities menu:
Press
More (1 of 2) > ARB Setup > Header Utilities
Figure 4-2 on page 95 shows the default file header for the AUTOGEN_WAVEFORM CDMA2000 digital
modulation waveform. The Header Field column names the parameters for the file header. The
Saved Header Settings column, shows that the signal generator settings for the active format are
Unspecified, meaning that no settings have been saved to the file header.
The Current Inst. Settings column shows the current signal generator settings for the active
modulation. These settings become the saved header settings when they are saved to the file header (as
demonstrated in Step ).
First-Level Softkey
Menu
Not all ARB formats
have a Second Pa
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