446 Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
Instrument Firmware and Operating System
Instrument Firmware
Instrument Firmware
The instrument firmware contains all the software required to operate all the
instrument functionality. This includes the basic instrument functionality and
all the optional functionality and modes. To see what version of the instrument
firmware is currently being used press Utility, Instrument Info, Diagnostic Info
on the instrument front panel. The Firmware Revision and Firmware Date will
be listed on the display as shown in Figure 19-1.
Figure 19-1 Diagnostic Info Display
Hardware Versus Firmware
While it is always advised to use the latest version of the instrument firmware
that is available, there are times that an older version is required for one reason
or another. However, there are certain hardware versus firmware dependencies
that exist that need to be considered before using a version of the firmware
other than the latest. While these should all be covered in service notes, the
dependencies that existed as of the printing of this guide are shown in
Table 19-1.
All N5166B instruments must have firmware version B.01.80 or newer.
Table 19-1 Hardware Versus Firmware Dependencies
Assembly
Part Number
a
Minimum Firmware
A2 Vector BBG Assembly N5180-60280 B.01.65
A3 RF Assembly N5180-60278 B.01.65
N5180-60279 B.01.65
A5 CPU Assembly 0960-3295 B.01.75
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